Great selection
2020ⓒJAXA/NASA

MEISEI ELECTRIC CO., LTD.
2020

Starting with the development of "Telemeter transmitting device" - Japan's firstelectronic equipment installed in a rocket launched in 1955.
Meisei Electric has developed and manufactured more than 3,000 space-related
instruments since 1950’s.
Meisei Electric can provide all kinds of satellite components,
such as “Mission Equipment” and “Bus Components”.
We are developing CubeSat, Nano Satellites, and Micro
Satellites as well.

OutlineCapital Paid 3.0 billion Yen
Established in YR1938 (80-year history)
Listed in Tokyo Stock Exchange Number of Employees
351 employees(as at March 2020)

 Sales
8.10 billion Yen(consolidated for the year at March 2019)
 Location
HQ & Factory: 2223 Naganuma-machi, Isesaki City, GUNMA 372-8585
Sales Office1-1, Toyosu 3-chome, Koto-ku, Tokyo 135-8115, Japan

ISO
9001

ISO
14001
HQ and Factory at Isesaki City

Tokyo Branch

MEISEI ELECTRIC CO., LTD.

MEISEI’s Standard Nano &Micro Satellite Bus Systems• Meet the requirement for earth
observation missions• Wide lineup ( 1U ~ 150kg class)• COTS based engineering< Micro Satellite Bus Components >Magnetic
Torque3 axisMagnetometer

GPS
Receiver50kg piggy back structureStar Tracker

3U Nano satellite
OBC(Out of production)

S bandTransceiver

Earth Sensor

XTX< Micro Satellite Mission Components>

Space Particle Monitor

Contamination Monitor< Nano Satellite Components>

AIS Receiver

OBC Board for CubeSat

MEISEI ELECTRIC CO., LTD.

M-ICU
Meisei Electric Corp provides a new MEISEI Micro Satellite Bus System (M-SAT)
for Nano Satellite / Micro Satellite. M-ICU is the Compact-PCI based OBC and Sband transceiver unit.
・ CompactPCI(cPCI) based Integrated Central Unit
・ High general versatility & scalability using
various card module
・Various card module available(M-OBC, TC/TM, Power Control,
RF(S-band) module, I/F module etc.)
・Various I/F available(Digital I/F: MIL-STD-1553B, CAN, RS422, LVDS, SpW
Analog I/F: AA，PA，AB，Current Out put)・ Compact size
(WDH：222×205.6×145mm)

M-ICU (Prototype)

M-OBC Board
・ General purpose OBC board for Nano and Micro Satellite.
・3U CompactPCI(cPCI) Single Board Computer・High Performance SH2A Processor
・2GB RAM ECC check on Data
・ 2.5MB ROM
・1GB User Flash Memory
・Dual-Redundant Boot
・Real Time Operating System available
OBC Board Specifications
Dimension & weight

160 ×130 ×1.6 mm ,<170g

Power

3.3V, < 3W

Interface

Compact PCI (32bit)
RS232C, SD card (for debug)

Option Board(cPCI)

I/F Board (UART:12ch,GPIO:In 8ch Out 8ch)
STRX Board (S band wireless communication)

OBC Board(Prototype)

MEISEI ELECTRIC CO., LTD.

Contracted Test Service• Own facilities for the Nano & micro satellite systems test
• Total support for the environmental tests for Nano & micro satellite

10tons Vibration
testing equipment
shock testing equipment

EMC shield room

Thermal vacuum chamber
Diameter: 1.2m
Temp. control range: -180 to 200℃
*Temp. control accuracy(≦-100℃):N/A

3-Dimensional
X-ray inspection equipment

MEISEI ELECTRIC CO., LTD.

Outline
MTX-540X is a high-speed X band transmitter for the micro satellites. 64APSK
technology achieves the world’s highest class frequency efficiency for the earth
observation downlink. MTX-540X enables your satellites to maximum 522 Mbps
downlink.

Features








64APSK: the highest frequency efficiency for earth observation downlink
High-speed 522 Mbps downlink in less than 150 MHz frequency bandwidth
Adaptive coding and modulation (69 Mbps to 522 Mbps)
Low power consumption (22 watts) & Low mass (about 1.3 kg)Compatible with generic ground receiver (Zodiac Cortex HDR 4G)
ITAR free
Made in JAPANMEISEI ELECTRIC is provider of components and small satellite systems. Since 1955, MEISEI developed more than
3,000 instruments for rockets, satellites, space probes, and space station in collaboration with JAXA, ESA, and NASA.

MEISEI ELECTRIC CO., LTD.

SPECIFICATIONSElectrical characteristics
Frequency
8,025 MHz to 8,400 MHz
Symbol rate
100 Msymbol/s (typ.)Standards
CCSDS 131.2 or DVB-S2*1/S2X*2
QPSK, 8PSK, 16APSK, 32APSK,Modulation
and 64APSK
Error
Turbo coding (SCCC) or LDPC*1,2
correction
Data rate
69 Mbps to 522 Mbps
+33 dBm (QPSK to 32APSK)RF power+30 dBm (64APSK)
Bandwidth< 150 MHz
FilterCompliant with ITU regulations
TTC interface

RS-422 level, UART

DC power
supply+18 V to +34 V, 22 W (typ.)

Physical characteristics
Dimensions
100 x 100 x 73 mm
Mass< 1,300 g

Data input interface
Parallel LVDS
Standard(CCSDS 130.12-G-1)
Clock input
Up to 100 MHz
Data input
8 bits + Data_valid
Data rate
Up to 800 Mbps
Data_request from
Flow control
transmitter
Environment
Operationaltemperature
Vibration
Shock
Radiation
tolerance
Designlifetime-40°C to +50°C

GSFC-STD-7000A,
Table 2.4-3
GSFC-STD-7000A,
Figure 2.4-1> 10 krad
5 years in LEO*1 MTX-OPT-DVBS2*2 MTX-OPT-DVBS2X

Ordering Information
MTX-540X-FM

Flight model

MTX-540X-EM

Engineering model

MTX-OPT-DATASOURCE

Option: Test data source unit and software (USB 3.0 to Parallel LVDS)

MTX-OPT-SR50M

Option: 50 Msymbol/s mode, (BW < 75 MHz, up to 269 Mbps)

MTX-OPT-DVBS2

Option: DVB-S2 mode, up to 32APSKMTX-OPT-DVBS2X

Option: DVB-S2X mode, up to 64APSK
Option: External band pass filter for SFCG recommendation(deep space)
Option: Patch antenna(Gain = 13.5 dBi, Size = 70 x 70 x 10 mm, Mass = 80 g)

MTX-OPT-BPF
MTX-OPT-PANT4

Caution










For safe and correct usage, please read the "Operation
Manual" prior to the use of the products.
Specifications and designs are subject to change without
notice.
Specifications and designs are based on the standard model.
Please contact us regarding further customization to suit
your project’s needs.
This products may be subject to the application of theForeign Exchange and Foreign Trade Act and other related
laws and regulations in Japan. Customer agrees to comply
with such regulations and acknowledges that it is their
responsibility to obtain any required licenses to export, reexport, or import this products.
We shall not be liable for any damages arising out of or inconnection with the use of specifications herein, including
liability for lost profit, business interruption, or any otherdamages whatsoever.
The color of the product photography on catalog might bedifferent from that of actual product because of printing.

www.meisei.co.jp/english
E-mail: aerospace@meisei.co.jp
Headquarters:
2223 Naganumamachi, Isesaki-shi,
Gunma 372-8585, Japan
Tel: +81-270-32-1117 Fax: +81-270-32-0988
Aerospace & Defense Systems Div.

Tokyo Branch:
TOYOSU IHI BUILDING 10F, 1-1, Toyosu 3-chome,
Koto-ku, Tokyo 135-8115, Japan
Tel: +81-3-6204-8252 Fax: +81-3-6204-8888
Sales & Marketing Dept.
Aerospace & Defense Systems Div.

MEISEI ELECTRIC CO., LTD.
MSPA4-048 M2007

The specifications in this catalog are current as of July 2020.

Outline

Upper section : USB transceiver unit
Lower section : QPSK transmission unit

It will be installed on the small satellite and perform the command reception from theground, and the telemetry transmission to the ground using 2GHz wave band.

Features











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

Flight proven
Lower cost using COTS parts
The 2-way Doppler measurement function controls the transmission frequency
depending on the reception frequency of the command signal from the ground.
1Mbps high speed communication (QPSK)Control for switch of USB/QPSK transmission and switch of coherent（2-Way Doppler）/incoherent mode is available
Monitoring the status of the transceiver (transmission and reception status, internal
temperature and the setting status of each mode)
In case only USB is required, it will be realized by the sole operation of the upper unit.
Tolerant of the severe environment of small satellite
ITAR free
RoHS nonconformity
Made in Japan＊ This product was developed in the support of JAXA.
＊ Note that, with due to the rights of other relevant parties and/or depending on usage application and/or delivery place theproducts may not be sold commercially distributed, leased or included in a part of product or system which intends to receive
benefits through the inclusion of the product.

MEISEI ELECTRIC CO., LTD.

SPECIFICATIONS
Items

Performance

ReceivingperformanceUSBtransmission
performance
QPSK
transmission
performance

Reception frequency

2 GHz band

Modulation

PCM(NRZ-L)-PSK-PM

Receiving sensitivity＜ -100 dBm

Sub carrier frequency

16 kHzCommand bit rate

4 kbpsTransmission
frequency

2 GHz band

Modulation

PCM(Biφ-L)-PM

Transmission output+10 dBm(Typ.)

Telemetry bit rate

16 kbps

Transmission
frequency

2 GHz band

Modulation

QPSK

Transmission output+27 dBm(Typ.)

Telemetry bit rate

1 MbpsPower supply voltage+17 to 35 VDC＜ 2.8 W (standby)

Other performance

Power consumption＜ 15 W (QPSK transmission)Operating temperaturerange-10 to +50℃

Dimensions

198 x 120 x 38.8 mm(flange and screw not included)Mass＜ 1.65 kg

Lead time

About 12 months after receiving orders.

Flight heritage

SDS-4
SOCRATES

Caution










＜ 3.8 W (USB transmission)

For safe and correct usage, please read the "Operation
Manual" prior to the use of the products.
Specifications and designs are subject to change without
notice.
Specifications and designs are based on the standard model.
Please contact us regarding further customization to suit
your project’s needs.
This products may be subject to the application of theForeign Exchange and Foreign Trade Act and other related
laws and regulations in Japan. Customer agrees to comply
with such regulations and acknowledges that it is their
responsibility to obtain any required licenses to export, reexport, or import this products.
We shall not be liable for any damages arising out of or inconnection with the use of specifications herein, including
liability for lost profit, business interruption, or any otherdamages whatsoever.
The color of the product photography on catalog might bedifferent from that of actual product because of printing.

www.meisei.co.jp/english
E-mail: aerospace@meisei.co.jp
Headquarters:
2223 Naganumamachi, Isesaki-shi,
Gunma 372-8585, Japan
Tel: +81-270-32-1117 Fax: +81-270-32-0988
Aerospace & Defense Systems Div.

Tokyo Branch:
TOYOSU IHI BUILDING 10F, 1-1, Toyosu 3-chome,
Koto-ku, Tokyo 135-8115, Japan
Tel: +81-3-6204-8252 Fax: +81-3-6204-8888
Sales & Marketing Dept.
Aerospace & Defense Systems Div.

MEISEI ELECTRIC CO., LTD.
MSPA4-046 M2007

The specifications in this catalog are current as of July 2020.

OutlineGPS and QZSS receiver for micro and small satellites
Dual GPS antenna enables positioning at any attitude
Inner combination of signals from two antennas

Features











Flight proven
Lower cost using COTS parts
QZSS and GPS receivable
Digital synthesis of dual channel antenna input signal
Positioning of the spacecraft regardless of the attitude by dual channel antenna
The maximum length of cable is1.5m.
GPS-R(1PC)/GPS-A(2PC)
ITAR free
RoHS nonconformity
Made in Japan

MEISEI ELECTRIC CO., LTD.

SPECIFICATIONS
Items
Number of channels
Number of antennas
GPS signal
Positioning accuracy
Time to fix
Sensitivity
Telemetry/commandinterface
Telemetry
GPS-R

Supply voltage
Power consumption

Dimensions
Mass
Temperature range
Vibration
Radiation
Rigidity (first natural
frequency)
Reception frequency

GPS-A

Other










Serial I/F (TIA/EIA-422 ITU-T V.11)
Latitude, Longitude, Altitude, Position (3D), Velocity(3D), Status, etc.
5V
＜ 2.5 W (except antenna)
Receiver : 107 x 131 x 31 mm
Antenna : 44 x 51 x 15 mm(flange and screw not included)＜ 500 gOperation : -20 to +60℃
Non-operation : -50 to +70℃
Random : 25.72 Grms (20 to 2000 Hz)
Tolerant to radiation environment of LEO altitude
300 Hz1575.42 ± 1.023 MHz

Gain

26 dBi ± 6 dB ( -30 to + 85 ℃)

Output impedance
Output VSWR
Power supply voltage
Consumption current
Operating temperature
range
Storing temperature range
Lead time
Flight heritage

50Ω
＞ 2.0
DC 4.5 ±0.5 V
12 to 30mA

Caution

Performance
16
2
L1 C/A
1575.42 ± 1.023 MHz＜ 3 m (static state)
Cold start: ＜ 15 min
Warm start: ＜ 1 min＜ -130 dBm at antenna terminal

For safe and correct usage, please read the "Operation
Manual" prior to the use of the products.
Specifications and designs are subject to change without
notice.
Specifications and designs are based on the standard model.
Please contact us regarding further customization to suit
your project’s needs.
This products may be subject to the application of theForeign Exchange and Foreign Trade Act and other related
laws and regulations in Japan. Customer agrees to comply
with such regulations and acknowledges that it is their
responsibility to obtain any required licenses to export, reexport, or import this products.
We shall not be liable for any damages arising out of or inconnection with the use of specifications herein, including
liability for lost profit, business interruption, or any otherdamages whatsoever.
The color of the product photography on catalog might bedifferent from that of actual product because of printing.

-30 to +85℃
-40 to +100℃
About 6 months after receiving orders.
ISS

www.meisei.co.jp/english
E-mail: aerospace@meisei.co.jp
Headquarters:
2223 Naganumamachi, Isesaki-shi,
Gunma 372-8585, Japan
Tel: +81-270-32-1117 Fax: +81-270-32-0988
Aerospace & Defense Systems Div.

Tokyo Branch:
TOYOSU IHI BUILDING 10F, 1-1, Toyosu 3-chome,
Koto-ku, Tokyo 135-8115, Japan
Tel: +81-3-6204-8252 Fax: +81-3-6204-8888
Sales & Marketing Dept.
Aerospace & Defense Systems Div.

MEISEI ELECTRIC CO., LTD.
MSPA4-049 M2007

The specifications in this catalog are current as of July 2020.

Outline
3-axis fluxgate magnetometer for attitude measurement

Features










Flight proven
Lower cost using COTS parts
High stability, good linearity
Analog voltage output
Wide power supply range
Compact, light weight and low power consumption
ITAR free
RoHS nonconformity
Made in Japan

MEISEI ELECTRIC CO., LTD.

SPECIFICATIONS

Items

Performance

Measurement range±64000 nT

Alignment accuracy±1°

Analog output voltage

0 to 5 V

Power supply voltage

15 V

Power consumption＜ 1.1 W (15 V / normal temperature)

Dimensions

100 x 50 x 40 mm(flange and screw not included)

Mass＜ 220 gOperatingtemperature range-30 to +60℃

Lead time

About 6 months after receiving orders.

Heritages

SDS-4＊ Above-mentioned specification is an example. The specifications will be customized to suit your request.
＊ This product was developed with the support of JAXA (Japan Aerospace Exploration Agency)＊ Please take note that there is the possibility not to be able to sell the products mentioned herein depending on application and delivery
place, concerning the rights related to technical information.

Caution










For safe and correct usage, please read the "Operation
Manual" prior to the use of the products.
Specifications and designs are subject to change without
notice.
Specifications and designs are based on the standard model.
Please contact us regarding further customization to suit
your project’s needs.
This products may be subject to the application of theForeign Exchange and Foreign Trade Act and other related
laws and regulations in Japan. Customer agrees to comply
with such regulations and acknowledges that it is their
responsibility to obtain any required licenses to export, reexport, or import this products.
We shall not be liable for any damages arising out of or inconnection with the use of specifications herein, including
liability for lost profit, business interruption, or any otherdamages whatsoever.
The color of the product photography on catalog might bedifferent from that of actual product because of printing.

www.meisei.co.jp/english
E-mail: aerospace@meisei.co.jp
Headquarters:
2223 Naganumamachi, Isesaki-shi,
Gunma 372-8585, Japan
Tel: +81-270-32-1117 Fax: +81-270-32-0988
Aerospace & Defense Systems Div.

Tokyo Branch:
TOYOSU IHI BUILDING 10F, 1-1, Toyosu 3-chome,
Koto-ku, Tokyo 135-8115, Japan
Tel: +81-3-6204-8252 Fax: +81-3-6204-8888
Sales & Marketing Dept.
Aerospace & Defense Systems Div.

MEISEI ELECTRIC CO., LTD.
MSPA4-047 M2007

The specifications in this catalog are current as of July 2020.

Outline
The Earth sensor is a device for determining the attitude of a micro satellite at analtitude of about 500 km.
4 pieces of multi-pixel array of thermopile sensors detect Earth edge to calculate theroll angle and the pitch angle. Its compact design is suitable for Micro-Satellites.

Features


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




Flight proven
Lower cost using COTS parts.
Can be used for both of sunlight and eclipse.
No cooling system required
Suitable for Earth oriented micro-satellites
ITAR free
RoHS nonconformity
Made in Japan

MEISEI ELECTRIC CO., LTD.

SPECIFICATIONS
Items

Performance

Detector

COTS based Thermopile Sensor

FOV

33 degrees x 4 arrays

Accuracy

4.125°
Weighting calculation around Earth edge: ~1.5°(reference)

Power voltage+5 V

Power consumption＜1W

Operatingtemperature range-25 to +60 ℃

Weight＜ 250 gDimensions

40 x 40 x 55 mm（flange and screw not included）

Telemetry / command
RS485
interface
Lead time

About 9 months after receiving orders.

Flight heritage

SOCRATES

Position of Horizon

Horizon of Thermo-pile array

Output of Thermo-pile array

Theory of measurement＊ This product was developed with the support of JAXA (Japan Aerospace Exploration Agency)＊ Above-mentioned specification is an example. The specifications will be customized to suit your request.

Caution










For safe and correct usage, please read the "Operation
Manual" prior to the use of the products.
Specifications and designs are subject to change without
notice.
Specifications and designs are based on the standard model.
Please contact us regarding further customization to suit
your project’s needs.
This products may be subject to the application of theForeign Exchange and Foreign Trade Act and other related
laws and regulations in Japan. Customer agrees to comply
with such regulations and acknowledges that it is their
responsibility to obtain any required licenses to export, reexport, or import this products.
We shall not be liable for any damages arising out of or inconnection with the use of specifications herein, including
liability for lost profit, business interruption, or any otherdamages whatsoever.
The color of the product photography on catalog might bedifferent from that of actual product because of printing.

www.meisei.co.jp/english
E-mail: aerospace@meisei.co.jp
Headquarters:
2223 Naganumamachi, Isesaki-shi,
Gunma 372-8585, Japan
Tel: +81-270-32-1117 Fax: +81-270-32-0988
Aerospace & Defense Systems Div.

Tokyo Branch:
TOYOSU IHI BUILDING 10F, 1-1, Toyosu 3-chome,
Koto-ku, Tokyo 135-8115, Japan
Tel: +81-3-6204-8252 Fax: +81-3-6204-8888
Sales & Marketing Dept.
Aerospace & Defense Systems Div.

MEISEI ELECTRIC CO., LTD.
MSPA4-050 M2007

The specifications in this catalog are current as of July 2020.

Outline
This instrument is a HVPS (high voltage power supply) to be installed on scientificsatellite for supplying voltage to detectors in the space environment. It can be output
up to 0 to +5000 V / -5000 to 0 V with reference voltage(analog or digital).

Features








Flight proven
Lower cost using COTS parts
Vibration and shock resistant for space
Up to 5kV with a fixed HVPS and sweeping HVPSITAR free
RoHS nonconformity
Made in Japan

MEISEI ELECTRIC CO., LTD.

SPECIFICATIONS
Items

Performance

Output voltage range

0 to +5000 V / -5000 to 0 V

Max output current＜ 100 μA

Output ripple voltage＜ 100 mVp-p

Input voltage range+11.5 to +13.0 V (DC)/-11.5 to -13.0 V (DC)Reference voltage range

0 to 5 V

Monitor output voltage range

0 to 5 V

Output current＜ 0.5 W( I x V ),(V: output voltage)

Dimensions

116 x 61 x 17 mm(flange and screw not included)

Lead time

About 9 months after receiving orders.

Flight heritage

ISS, Exposed Facility (MAXI)
Lunar explorer, SELENE/KAGUYA

Sweeping HVPS (+5000V)
We can also make sweeping type.

Caution










For safe and correct usage, please read the "Operation
Manual" prior to the use of the products.
Specifications and designs are subject to change without
notice.
Specifications and designs are based on the standard model.
Please contact us regarding further customization to suit
your project’s needs.
This products may be subject to the application of theForeign Exchange and Foreign Trade Act and other related
laws and regulations in Japan. Customer agrees to comply
with such regulations and acknowledges that it is their
responsibility to obtain any required licenses to export, reexport, or import this products.
We shall not be liable for any damages arising out of or inconnection with the use of specifications herein, including
liability for lost profit, business interruption, or any otherdamages whatsoever.
The color of the product photography on catalog might bedifferent from that of actual product because of printing.

www.meisei.co.jp/english
E-mail: aerospace@meisei.co.jp
Headquarters:
2223 Naganumamachi, Isesaki-shi,
Gunma 372-8585, Japan
Tel: +81-270-32-1117 Fax: +81-270-32-0988
Aerospace & Defense Systems Div.

Tokyo Branch:
TOYOSU IHI BUILDING 10F, 1-1, Toyosu 3-chome,
Koto-ku, Tokyo 135-8115, Japan
Tel: +81-3-6204-8252 Fax: +81-3-6204-8888
Sales & Marketing Dept.
Aerospace & Defense Systems Div.

MEISEI ELECTRIC CO., LTD.
MSPA4-051 M2007

The specifications in this catalog are current as of July 2020.

For 50 kg satellite (12 Am2 typ.)For CubeSat (0.1 Am2 typ.)OutlineMeisei Electric provides every size of magnetic torquers: for pico, nano, micro, small
satellites and CubeSat. Meisei’s magnetic torquers are designed in our originaltechnique and have a good balance of power consumption and mass. This model isfor 50 to 100 Kg satellite.

Features










Flight proven
Lower cost using COTS parts
1 set of 3 torquers
Optimal balance of power consumption and mass is realized
Fully customizable: magnetic moment, dimensions, mechanical and electricalinterface
ITAR free
RoHS nonconformity
Made in Japan

MEISEI ELECTRIC CO., LTD.

SPECIFICATIONS

Items

Performance

Output magnetic moment

12 Am2 typ.

Power supply voltage

15 V

Power consumption

1W typ. (Nominal, 217Ω) / 12 Am2 typ.

Dimensions

250 x 56 x 29 mm(flange and screw not included)

Mass＜ 500 gOperating temperature range-30 to +60℃

Lead time

About 6 months after receiving orders.

Flight heritage

SDS-1
SDS-4
SOCRATES＊ The specifications will be tailored to suit your needs. If you use more than for 100 Kg satellite,
we would kindly ask you to pay for the option fee. Because of torque value change.
＊ This product was developed with the support of JAXA (Japan Aerospace Exploration Agency)＊ Note that, with due to the rights of other relevant parties and/or depending on usage, application and/or delivery place, the product may
not be sold, commercially distributed, leased or included in a part of product or system which intends to receive benefits through theinclusion of the product.

Caution










For safe and correct usage, please read the "Operation
Manual" prior to the use of the products.
Specifications and designs are subject to change without
notice.
Specifications and designs are based on the standard model.
Please contact us regarding further customization to suit
your project’s needs.
This products may be subject to the application of theForeign Exchange and Foreign Trade Act and other related
laws and regulations in Japan. Customer agrees to comply
with such regulations and acknowledges that it is their
responsibility to obtain any required licenses to export, reexport, or import this products.
We shall not be liable for any damages arising out of or inconnection with the use of specifications herein, including
liability for lost profit, business interruption, or any otherdamages whatsoever.
The color of the product photography on catalog might bedifferent from that of actual product because of printing.

www.meisei.co.jp/english
E-mail: aerospace@meisei.co.jp
Headquarters:
2223 Naganumamachi, Isesaki-shi,
Gunma 372-8585, Japan
Tel: +81-270-32-1117 Fax: +81-270-32-0988
Aerospace & Defense Systems Div.

Tokyo Branch:
TOYOSU IHI BUILDING 10F, 1-1, Toyosu 3-chome,
Koto-ku, Tokyo 135-8115, Japan
Tel: +81-3-6204-8252 Fax: +81-3-6204-8888
Sales & Marketing Dept.
Aerospace & Defense Systems Div.

MEISEI ELECTRIC CO., LTD.
MSPA4-053 M2007

The specifications in this catalog are current as of July 2020.

Outline
SPM can count space radiation, and it is used for a small satellite with an altitude of
400 to 500 km.* SPM identify the effect of the space radiation environment(TID,SEE
etc.**) in the satellite orbit.
*Customization is available**Estimate only. SPM count the number of the energy particle(Electron, Proton, Heavy ion)

Features

Simultaneous classification and energy measurement of electrons, protons, andheavy particles.
ITAR free
RoHS nonconformity
Made in JAPANMEISEI ELECTRIC CO., LTD.

SPECIFICATIONS
Items

Performance

Power supply voltage+12 VDC (45mAtyp.), -12 VDC (20mAtyp.), +5VDC (60mAtyp.)

Telemetry / commandinterface

RS-422
Electron ： ＞0.21 MeV (2CH)Line type / Energy range

Proton ： 5.5 to 300 MeV (6CH)
Heavy Ion ： ＞7.12 MeV/n (2CH)

FOV±41.2 deg

Dimensions

102 x 132 x 46 mm(flange and screw not included)

Mass＜ 900 g (MLI included)

Operating temperaturerange-10 to +50 ℃

Power consumption＜ 1.1 W

Data rate

370 bps (in the case of 1 sec integration time)

Lead time

About 9 to 12 months after receiving orders.
Delivery time depends on availability of calibration test equipment.

Flight heritage

RAPIS-1 (JAXA)＊ Above-mentioned specification is an example.
＊ FOV is determined by satellite orbit.
The specifications will be customized to suit your request.
In the case we would kindly ask you to pay for the option fee.

Caution










For safe and correct usage, please read the "Operation
Manual" prior to the use of the products.
Specifications and designs are subject to change without
notice.
Specifications and designs are based on the standard model.
Please contact us regarding further customization to suit
your project’s needs.
This products may be subject to the application of theForeign Exchange and Foreign Trade Act and other related
laws and regulations in Japan. Customer agrees to comply
with such regulations and acknowledges that it is their
responsibility to obtain any required licenses to export, reexport, or import this products.
We shall not be liable for any damages arising out of or inconnection with the use of specifications herein, including
liability for lost profit, business interruption, or any otherdamages whatsoever.
The color of the product photography on catalog might bedifferent from that of actual product because of printing.

www.meisei.co.jp/english
E-mail: aerospace@meisei.co.jp
Headquarters:
2223 Naganumamachi, Isesaki-shi,
Gunma 372-8585, Japan
Tel: +81-270-32-1117 Fax: +81-270-32-0988
Aerospace & Defense Systems Div.

Tokyo Branch:
TOYOSU IHI BUILDING 10F, 1-1, Toyosu 3-chome,
Koto-ku, Tokyo 135-8115, Japan
Tel: +81-3-6204-8252 Fax: +81-3-6204-8888
Sales & Marketing Dept.
Aerospace & Defense Systems Div.

MEISEI ELECTRIC CO., LTD.
MSPA4-055 M2007

The specifications in this catalog are current as of July 2020.

SHIROP-E (SHIROP control unit)

SHIROP-S (SHIROP sensor unit)

OutlineThe high-resolution Imaging system for Microsatellites
Meisei Electric developed the SHIROP-E (SHIROP control unit) and took part of
the thermal control design for SHIROP-S (SHIROP sensor unit) and SHIRP-E.

Features









Flight proven
SHIROP was loaded by “TSUBAME" (SLATS). TSUBAME is the optical telescopethat takes the pictures of the land from the super low earth orbit (200～300km).
Mission of the SHIROP is the technical demonstration that taking high-resolution
picture by the small size telescope.
Covered with MLI Beta Cross
RoHS nonconformity
Made in Japan

MEISEI ELECTRIC CO., LTD.

SPECIFICATIONS

Items

PerformanceSizeΦ 200 x 500 mm

TelescopeCassegrain

Mass ( nominal )11.5 Kg

GSD

1.8 m / altitude 600 km

Imaging range

10653 x 7000 m / altitude 600 km

Imaging system

TDI(Time Delay Integration)

Band

User selectable

Flight heritage

H-IIA F37: Super Low Altitude Test Satellite"TSUBAME" (SLATS)

Dimensions

227.5 x 127.5 x 96.2 mm(flange and screw not included)

SHIROP-SSHIROP-E

Caution










For safe and correct usage, please read the "Operation
Manual" prior to the use of the products.
Specifications and designs are subject to change without
notice.
Specifications and designs are based on the standard model.
Please contact us regarding further customization to suit
your project’s needs.
This products may be subject to the application of theForeign Exchange and Foreign Trade Act and other related
laws and regulations in Japan. Customer agrees to comply
with such regulations and acknowledges that it is their
responsibility to obtain any required licenses to export, reexport, or import this products.
We shall not be liable for any damages arising out of or inconnection with the use of specifications herein, including
liability for lost profit, business interruption, or any otherdamages whatsoever.
The color of the product photography on catalog might bedifferent from that of actual product because of printing.

www.meisei.co.jp/english
E-mail: aerospace@meisei.co.jp
Headquarters:
2223 Naganumamachi, Isesaki-shi,
Gunma 372-8585, Japan
Tel: +81-270-32-1117 Fax: +81-270-32-0988
Aerospace & Defense Systems Div.

Tokyo Branch:
TOYOSU IHI BUILDING 10F, 1-1, Toyosu 3-chome,
Koto-ku, Tokyo 135-8115, Japan
Tel: +81-3-6204-8252 Fax: +81-3-6204-8888
Sales & Marketing Dept.
Aerospace & Defense Systems Div.

MEISEI ELECTRIC CO., LTD.
MSPA4-054 M2007

The specifications in this catalog are current as of July 2020.

ⓒJAXA/NASA

Outline
The first camera drone that can record video while moving in space
Meisei Electric Co., Ltd. cooperated with JAXA (Japan Aerospace Exploration
Agency) in the field ofBody designElectric designAssembly
Verification test

Features

Flight proven
Remote controlled from the ground and move autonomously
The camera adopts existing drone technology.
Exterior and inner structures were all manufactured by 3D-printing.
Made in Japan

Objectives of Development
Acquiring the capability to move anywhere at any time via autonomous flight andrecord images from any angle
Realizing "zero" photographing time by the onboard crew
Enabling flight controllers and researchers on the ground to check the crew's workfrom the same viewpoint as the crew

MEISEI ELECTRIC CO., LTD.

SPECIFICATIONS
Items
Dimensions
Mass
Translational control
Localizationand control

Rotational control
Localization
Resolution

Main Camera

Image stability
Datatransmission
Power supply

Frame rate
Bit rate
Data format
Bandwidth
Attitude stability
Transmission method
Transmission rate

Battery life

ⓒJAXA/NASA

Caution










For safe and correct usage, please read the "Operation
Manual" prior to the use of the products.
Specifications and designs are subject to change without
notice.
Specifications and designs are based on the standard model.
Please contact us regarding further customization to suit
your project’s needs.
This products may be subject to the application of theForeign Exchange and Foreign Trade Act and other related
laws and regulations in Japan. Customer agrees to comply
with such regulations and acknowledges that it is their
responsibility to obtain any required licenses to export, reexport, or import this products.
We shall not be liable for any damages arising out of or inconnection with the use of specifications herein, including
liability for lost profit, business interruption, or any otherdamages whatsoever.
The color of the product photography on catalog might bedifferent from that of actual product because of printing.

Performance< 150 mm in diameter(not including 3D marker )< 1 kg(not including cables and 3D marker)
Micro axial fans
Triaxial reaction wheels and / orMicro axial fans
Image recognition with 3D Marker
720 p (1280×720 pixels)
1080 p (1920×1080 pixels)
10 to 30 fps
16 kbps to 40 Mbps
Photo / Movie (no audio)
Pan: 1 Hz or less
Tilt and Roll: 0.3 Hz or less±1 degree/s or lessIEEE802.11a
16 kbps to 40 Mbps
Lithium battery
Approx. 2 hours(Rechargeable via USB connector)＊ To develop this camera drone, Meisei Electric Co., Ltd. cooperated with
JAXA in the field of body design, electric design, assembly, and verification test.

www.meisei.co.jp/english
E-mail: aerospace@meisei.co.jp
Headquarters:
2223 Naganumamachi, Isesaki-shi,
Gunma 372-8585, Japan
Tel: +81-270-32-1117 Fax: +81-270-32-0988
Aerospace & Defense Systems Div.

Tokyo Branch:
TOYOSU IHI BUILDING 10F, 1-1, Toyosu 3-chome,
Koto-ku, Tokyo 135-8115, Japan
Tel: +81-3-6204-8252 Fax: +81-3-6204-8888
Sales & Marketing Dept.
Aerospace & Defense Systems Div.

MEISEI ELECTRIC CO., LTD.
MSPA4-052 M2007

The specifications in this catalog are current as of July 2020.

MEMO

MEISEI ELECTRIC CO., LTD.

MEMOMEISEI ELECTRIC CO., LTD.

Caution










For safe and correct usage, please read the "Operation
Manual" prior to the use of the products.
Specifications and designs are subject to change without
notice.
Specifications and designs are based on the standard model.
Please contact us regarding further customization to suit
your project’s needs.
This products may be subject to the application of theForeign Exchange and Foreign Trade Act and other related
laws and regulations in Japan. Customer agrees to comply
with such regulations and acknowledges that it is their
responsibility to obtain any required licenses to export, reexport, or import this products.
We shall not be liable for any damages arising out of or inconnection with the use of specifications herein, including
liability for lost profit, business interruption, or any otherdamages whatsoever.
The color of the product photography on catalog might bedifferent from that of actual product because of printing.

www.meisei.co.jp/english
E-mail: aerospace@meisei.co.jp
Headquarters:
2223 Naganumamachi, Isesaki-shi,
Gunma 372-8585, Japan
Tel: +81-270-32-1117 Fax: +81-270-32-0988
Aerospace & Defense Systems Div.

Tokyo Branch:
TOYOSU IHI BUILDING 10F, 1-1, Toyosu 3-chome,
Koto-ku, Tokyo 135-8115, Japan
Tel: +81-3-6204-8252 Fax: +81-3-6204-8888
Sales & Marketing Dept.
Aerospace & Defense Systems Div.

MEISEI ELECTRIC CO., LTD.
The specifications in this catalog are current as of July 2020.