Tel: +81-52-661-5150
Fax: +81-52-661-6418
E-mail: overseas@inet1.aichitokei.co.jp
2-70, Chitose 1-Chome, Atsuta-Ku, Nagoya 456-8691, Japan URL: http://www.aichitokei.net

04220206 1/4

Specification Sheet
Battery-Powered Electromagnetic Water Meter
40 – 300 mm

Model

SU40-KF, SU50-KF, SU65-KF, SU80-KF,
SU100-KF, SU125-KF, SU150-KF,
SU200-KF, SU250-KF, SU300-KF

Aichi Reference No.

SU40-300-KF-N

1. General
This is a battery built-in type electromagnetic water meter that M. Faraday’s Electromagnetic Induction
Law is applied. This meter demonstrates its wide measuring range and high durability as there is nomechanical moving part in the flow measurement tube of the meter.
2. Specifications
2-1. Main Materials･ Outer Casing ･････････････････ Stainless Steel･ Flow Measurement Tube ････････ Stainless Steel (Tube Liner: Epoxy Resin Powder Painting)･ Electrode ････････････････････ Stainless Steel･ Register Unit ･････････････････ Stainless Steel, Glass･ Electronic Unit ････････････････ Electronic Component, PC Board
2-2. Performance & Function
Flow Performance to ISO 4064, OIML R49/2013
Meter Size (mm)40
3Max. Flowrate
Q4 [±2%] (m /h)
31.3
Permanent Flowrate
Q3 [±2%] (m3 /h)25Transitional Flowrate
Q2 [±2%] (m3 /h)
0.16Min. Flowrate
Q1 [±5%] (m3 /h)
0.1
Measuring Range Q3/Q1 (R)250
Low Flow Cut (m3 /h)
0.05
Pressure Loss at Permanent Flowrate (Q3) (MPa)0.063 or lessMaximum Permissible Working Pressure (MPa)1.0Applicable Working Fluid+0.1 to +30
Measurable Fluid Temperature (℃)
Fluid Conductivity (μS/cm)
50 or more
Ambient Temperature (℃)-10 to +55
Waterproof
IP68
Max. Registration
999999.9999
Integrating (m3)
Flow
Smallest Scale
0.1
Registration
Unit (L)Instantaneous Flowrate (m3/h)
Others
No-Water Warning
Low-Battery Alarm
Built-in Lithium Battery
Power Supply
Estimated Battery Life: 10 years at 30℃ ambient
temperature (including storage time)
Weight (kg)Approx. 7
Piping Connection
Flange Connection Method
Remarks: Specifications are subject to change without notice.

Aichi Tokei Denki Co., Ltd.

Tel: +81-52-661-5150
Fax: +81-52-661-6418
E-mail: overseas@inet1.aichitokei.co.jp
2-70, Chitose 1-Chome, Atsuta-Ku, Nagoya 456-8691, Japan URL: http://www.aichitokei.net04220206 2/4

Specification Sheet
Battery-Powered Electromagnetic Water Meter
40 – 300 mm

Model

SU40-KF, SU50-KF, SU65-KF, SU80-KF,
SU100-KF, SU125-KF, SU150-KF,
SU200-KF, SU250-KF, SU300-KF

Aichi Reference No.

SU40-300-KF-N

Flow Performance to ISO 4064, OIML R49/2013
50
65

Meter Size (mm)8010078.81252004063100160

Q2 [±2%] (m3 /h)

0.16

0.252

0.40.64

Q1 [±5%] (m3 /h)

0.10.158

0.25

0.40.20.32

Max. Flowrate

Q4 [±2%](m3 /h)50

Permanent Flowrate

Q3 [±2%] (m3 /h)Transitional Flowrate
Min. Flowrate

Measuring Range Q3/Q1 (R)400

Low Flow Cut (m3 /h)

0.08

0.126

Pressure Loss at Permanent Flowrate (Q3) (MPa)0.063 or lessMaximum Permissible Working Pressure (MPa)1.0Applicable Working Fluid
Measurable Fluid Temperature (℃)
Fluid Conductivity (μS/cm)+0.1 to +30
50 or more

Ambient Temperature (℃)-10 to +55

Waterproof

IP68
Integrating
FlowRegistration
OthersPower Supply

Max. Registration(m3)Smallest Scale
Unit (L)999999.9999

999999.999

0.1

1

Instantaneous Flowrate (m3/h)
No-Water Warning
Low-Battery Alarm
Built-in Lithium Battery
Estimated Battery Life: 10 years at 30℃ ambient
temperature (including storage time)

Weight (kg)Approx. 8Approx. 9

Piping Connection

Flange Connection Method

Remarks: Specifications are subject to change without notice.

Aichi Tokei Denki Co., Ltd.

Approx. 11

Approx.14

Tel: +81-52-661-5150
Fax: +81-52-661-6418
E-mail: overseas@inet1.aichitokei.co.jp
2-70, Chitose 1-Chome, Atsuta-Ku, Nagoya 456-8691, Japan URL: http://www.aichitokei.net04220206 3/4

Specification Sheet
Battery-Powered Electromagnetic Water Meter
40 – 300 mm

Model

SU40-KF, SU50-KF, SU65-KF, SU80-KF,
SU100-KF, SU125-KF, SU150-KF,
SU200-KF, SU250-KF, SU300-KF

Aichi Reference No.

SU40-300-KF-N

Flow Performance to ISO 4064, OIML R49/2013
Meter Size (mm)

125

150

200

Q4 [±2%] (m3 /h）

313

500

788

Permanent Flowrate

Q3 [±2%](m3 /h）

250

400630Transitional Flowrate

Q2 [±2%] (m3 /h）

11.6

2.52

Min. Flowrate

Q1 [±5%] (m3 /h）

0.625

11.575Max. Flowrate

Measuring Range Q3/Q1 (R)400

Low Flow Cut (m3 /h)

0.5

0.8

Pressure Loss at Permanent Flowrate (Q3)(MPa)
Maximum Permissible Working Pressure(MPa)Applicable Working Fluid
Temperature (℃)
Measurable Fluid
Fluid Conductivity(μS/cm)Ambient Temperature (℃)

0.063 or less
1.0+0.1 to +30
50 or more
-10 to +55

Waterproof

Registration

1.26

IP68
Max. Registration
Integrating (m3)
Flow
Smallest ScaleUnit (L)OthersPower Supply
Weight (kg)999999.999

9999999.999
1

Instantaneous Flowrate (m3/h)
No-Water Warning
Low-Battery Alarm
Built-in Lithium Battery
Estimated Battery Life: 10 years at 30 ℃ ambient
temperature (including storage time)
Approx. 18

Piping Connection

Approx. 24

Approx. 32

Flange Connection Method

Remarks: Specifications are subject to change without notice.

Aichi Tokei Denki Co., Ltd.

Tel: +81-52-661-5150
Fax: +81-52-661-6418
E-mail: overseas@inet1.aichitokei.co.jp
2-70, Chitose 1-Chome, Atsuta-Ku, Nagoya 456-8691, Japan URL: http://www.aichitokei.net04220206 4/4

Specification Sheet
Battery-Powered Electromagnetic Water Meter
40 – 300 mm

Model

SU40-KF, SU50-KF, SU65-KF, SU80-KF,
SU100-KF, SU125-KF, SU150-KF,
SU200-KF, SU250-KF, SU300-KF

Aichi Reference No.

SU40-300-KF-N

Flow Performance to ISO 4064, OIML R49/2013
Meter Size (mm)Max. Flowrate

250

300

Q4 [±2%] (m3 /h）

1250(m3 /h）

1000

Permanent Flowrate

Q3 [±2%]

Transitional Flowrate

Q2 [±2%] (m3 /h）

4Min. Flowrate

Q1 [±5%] (m3 /h）

2.5

Measuring Range Q3/Q1 (R)400

Low Flow Cut (m3 /h)

2Pressure Loss at Permanent Flowrate (Q3)(MPa)0.063 or less
1.0

Maximum Permissible Working Pressure (MPa)Applicable Working Fluid
Temperature (℃)
Measurable Fluid
Fluid Conductivity(μS/cm)Ambient Temperature (℃)+0.1 to +30
50 or more
-10 to +55

Waterproof

Registration

IP68
Max. Registration
Integrating (m3)
Flow
Smallest Scale
Unit (L)OthersPower Supply
Weight (kg)9999999.99
10
Instantaneous Flowrate (m3/h)
No-Water Warning
Low-Battery Alarm
Built-in Lithium Battery
Estimated Battery Life: 10 years at 30℃ ambient
temperature (including storage time)
Approx. 54

Piping Connection
Flange Connection Method
Remarks: Specifications are subject to change without notice

Aichi Tokei Denki Co., Ltd.

Approx. 70