PG9000 Piston Gauges

Automated primary pressure reference forabsolute and gauge pressures to 10 MPa

Designed for fundamental
metrology research

PG9000 piston gauges are thenext generation of absolute pressure piston gauges from Fluke
Calibration. They are designed
to enable metrology andresearch institutes to realize anddisseminate exceptional fundamental pressure measurements.
Each PG9000 model supports
the use of up to a 100 kg massload in absolute and gauge pressure operation, creating a wide
usable pressure range for eachpiston-cylinder and enabling
more overlap of ranges forintercomparison.
Two PG9000 models areavailable:
PG9607 defines gauge andabsolute pressures from 11
kPa to 500 kPa with a single
piston-cylinder. It is designed
for use as a true primary pressure reference. Its performanceis centered around a 50 mm
piston-cylinder assembly withdimensional characteristics
suitable for low-uncertainty
dimensional traceability.
PG9602 includes multiple
piston cylinder range options
to support absolute or gaugepressure measurementsfrom 12 kPa to 10 MPa.

2 Fluke Calibration

PG9000 Piston Gauge

Both models have mounting
posts designed for greater confidence in the piston-cylinder
temperature measurement.
The platform architecture also
promotes improved temperaturestability around the pistoncylinder.
PG9000 piston gauges feature
AMH automated mass handlingtechnology to allow fully automated testing in both gauge andabsolute mode. Manual steps
are removed from their operation, saving time and delivering
metrological advantages. When
AMH is coupled with automaticpressure control and computer
software, repeated and extended
tests become practical, making
PG9000 a powerful calibration
and research tool.
PG9000 is the result of Fluke
Calibration’s extensive work withnational metrology institutes(NMIs) to minimize pressure
measurement uncertainty andyears of supplying piston gauges
to NMIs and other top pressure
metrology labs worldwide.

PC-9607-5 piston cylinder assembly

Cylinder stroke
limiter
Adjustment mass

Cylinder retaining screw

Cylinder cap o-ring(Brown Viton, 2-015)
Cylinder cap

Knurled gripping
holding surface
Piston retainer
assembly/nut

Cylinder centering ring

Piston sealing
o-ring – upper(Brown Viton, 2-029)

Mounting post o-ring(Brown Viton, 2-019)

PistonPiston sealing o-ring– lower (Brown Viton,
2-029)
Test pressure inlet

CylinderMounting post (partof PG9607 platform)
Controlled clearance
pressure (CCP) inlet

PG9000 Piston Gauge

Fluke Calibration 3

Innovations tominimize uncertainty

PG9607: Refined 50 mm
piston-cylinder design
PG9607’s piston-cylinderassembly builds upon morethan 15 years of design,
manufacture and calibrationof 50 mm piston-cylinders.
PC-9607-5 is a 5 kPa/kg
piston-cylinder with a stationary piston and floating
cylinder design. Improved
manufacturing and testing
methods are used to produce avery low distortion assembly.
The 50 mm piston-cylinder
provides exceptional performance—up to 500 kPa with a
100 kg mass load. The PG9607
mounting post allows an independent controlled clearance
pressure to be applied to theinside of the piston, thus predictably varying the size of thegap between the piston andcylinder for advanced study.
PG9602: Disseminate low
uncertainty measurements
to 10 MPa
PG9602 uses Fluke Calibration’s unique integrated
piston-cylinder assemblies
to measure pressures up to
10 MPa. These piston-cylinder
modules have been used foryears with PG7000 pistongauges and are now selected
and tested for low uncertainty
operation with up to 100 kg
of mass with PG9602. The
PG9000 platform design andhigh mass load produce a wide
range and high performance
piston gauge that is the ideal
instrument to disseminate primary PG9607 measurements
to higher pressure ranges
with the lowest possible
uncertainty.

4 Fluke Calibration

PG9000 Piston Gauge

Two decades ago, the DH
Instruments PG7000 family ofpiston gauges introduced theadvantages of on-board sensing
and monitoring technology, as
well as other performance andergonomic enhancements. The
PG9000 platform adds several
innovations to improve pressure
measurements even further.
The platform consists of apiston gauge base, terminal,
and a new remote electronics
module. The terminal is the userinterface. It stores metrologicalcomponent data, reports operating and ambient condition status
and calculates pressure.
The PG9000 piston gauge basesupports automatic piston-cylinder rotation and mass handling,
but all of the electronics tosupport the sensors and rotation
control have been relocated to aremote electronics module. Thisarchitecture supports the best
possible temperature stability atthe base, even with prolonged
vacuum operation, since any
significant sources of heat arelocated away from the base.
Both PG9607 and PG9602
mounting posts have two
integrated PRTs for reduced
piston-cylinder temperature
uncertainty. The PRTs are easily
removed for calibration. A
capacitance diaphragm gauge isincluded in the optional vacuum
reference hardware for making
residual vacuum measurements
in absolute mode. PG9000
can also integrate the measurement output from virtually any
user-supplied vacuum sensor.

Metrology supported
by automation
AMH automated mass handlingtechnology is expanded on
PG9000 to provide gauge andabsolute operation with up to a
100 kg mass load. Eliminating
manual mass loading minimizes
mechanical wear, improving
mass stability. The automatedmass handler operates inside theevacuated bell jar, so the time
to release and draw a vacuum
while changing masses between
test points is eliminated. The
sustained vacuum produces
lower and more static residual
vacuum values. Total test timeand productivity are greatly
improved, especially on absolutepressure tests. More importantly,
full automation promotes highly
consistent measurements andallows extensive tests withmany test points that would be
impractical to perform manually. With the help of calibration
management software like
COMPASS® for Pressure, tests canbe run fully unattended.

Specifications
GeneralElectrical power

85/264 V ac, 50/60 Hz, 22 VA maximum consumption

Temperature

Operating: 15 °C to 35 °C (59 °F to 95 °F)
Storage: -20 °C to 70 °C (-4 °F to 158 °F)

Humidity

Operating: 5 % to 95 % RH, non-condensing

WeightInstrument platform with no mass or piston-cylinder loaded
PG9000 base (without vacuum hardware): 34 kg (74 lb)
Remote electronics module: 1.9 kg (4 lb)
PG terminal: 1.4 kg (3 lb)
Optional vacuum reference hardware: 16 kg (36 lb)

Dimensions(H x W x D)

PG9000 base (without vacuum hardware):34.1 cm x 54.3 cm x 52.3 cm (13.4 in x 21.4 in x 20.6 in)(Height: top of piston-cylinder assembly)
PG9000 (with optional vacuum bell jar and vacuum
gauge connected): 56 cm x 54.3 cm x 52.3 cm(22 in x 21.4 in x 20.6 in) (Height: Top of bell jar)Remote electronics module:
10.2 cm x 35.1 cm x 19.6 cm (4 in x 13.8 in x 7.7 in)
PG terminal: 12 cm x 15 cm x 20 cm (4.7 in x 5.9 in x 7.9 in)Communication ports RS-232

COM1: Host computer
COM2: Residual vacuum sensor (external)
COM3: Automated pressure controller
COM4: Unused/spare

IEEE-488

Host computer

Overall pressure
range

PG9607

Gauge and Absolute: 11 kPa to 500 kPa(1.6 to 72.5 psi)1

PG9602Gauge: 13 kPa to 10 MPa (1.9 to 1450 psi)1

Operating media

Gas: nitrogen, helium, dry air (dewpoint ≤ -40 °C)

Maximum mass load

100 kg1

Pressureconnections

PG9000 base

Test port: DH200*
Controlled clearance pressure (PG9607 only):
DH200**Gland and collar fitting for 6.35 mm (0.25 in) coned
and left hand threaded tubes. Equivalent to AE
SF250C, HIP LF4, etc.

AMH drive

Quick connector equivalent to Swagelok QM
Series (QM2-B-200). Use with DESO (double
end shut off) type stem.

AMH vent

Quick connector equivalent to Swagelok QM
Series (QM2-B-200). Use with SESO (single
end shut off) type stem only.

Remoteelectronics
moduleATM port: 10-32 UNF

Vacuum bell jar

3x 40 mm ISO/KF flange, 1x 50 mm ISO/KF
flange (top)CE conformance All PG9000 models conform to CE
requirements
1

MS-AMH-100 mass set contains approximately 104.5 kg of mass. Combined with the piston or cylinderand bell assembly, total mass loads may be up to 106 kg, resulting in pressures of up to 530 kPa (5.3 bar,
76.9 psi) on the PG9607 or 10 600 kPa (106 bar, 1537.4 psi) on the PG9602.

Embedded features• Local control with 2 x 20 vacuum fluorescentdisplay and 4 x 4 function driven keypad• Real time (1 second update rate) display
and measurement of ambient (pressure,temperature, humidity) and instrument(piston-cylinder temperature, cylinder
position, cylinder drop rate, cylinder rotation rate, cylinder rotation decay rate,
reference vacuum) conditions• Real time (1 second update rate) mass-topressure and pressure-to-mass calculations
taking into consideration all environmental
and operational variables• Full gas fluid head corrections including DUT
head correction and piston position headcorrection• Adjustable mass loading resolution
0.01 g to 0.1 kg• Audible prompts of instrument status (piston
movement, Ready/Not Ready indication) withoverride capability• Integrated automated mass handling option(AMH-100-VAC)• Interfacing and automatic exploitation of external barometer via RS-232• Interfacing and automatic exploitation of standard or user-supplied external vacuum gauge
via RS-232• Automated differential mode to define low differential pressures at various static pressures
between vacuum and atmosphere• Storage and one step activation of metrological
data on up to 18 piston-cylinder modules, 3mass sets and 3 mass loading bells• Continuous pressure Ready/Not Ready indication based on measured conditions• Motorized, intelligent piston drive system
based measured rotation rate with operator
alert and manual override• Integrated automated pressure control withstandard PPC4 pressure controllers• Full RS-232 and IEEE-488 communications
with multi-level commands to set and read all
instrument functions

PG9000 Piston Gauge

Fluke Calibration 5

Specifications
AMH-100-VAC Automated Mass Handler (optional)
Power requirements

15 V dc @ 2 A, 30 W maximum consumption

Temperature

Operating: 15 ºC to 35 ºC (59 °F to 95 °F)

Dimensions (H x W x D)

41 cm x 41 cm x 36 cm (16.3 in x 16.1 in x 14.1 in)

Weight12 kg (25 lbs)

Power/communications

Custom 8-pin connector

AMH drive air supply

550 kPa (80 psi), ± 10 %, minimal flow

AMH vacuum supply

At least 50 kPa (7.5 pi) under atmosphere, minimal flow

Pressure connections

Pressure: Quick connector DESO (double end shut off) type stem
Vacuum: Quick connector SESO (single end shut off) type stem
PC-9607-5

PC-9602-10

PC-9602-20

PC-9602-50

PC-9602-100

Compatible platform

PG9607

PG9602

PG9602

PG9602

PG9602Pressure to mass ratio

5 kPa/kg

10 kPa/kg

20 kPa/kg

50 kPa/kg

100 kPa/kg

Minimum pressure(using mass bell)

11 kPa(1.6 psi)

13 kPa(1.9 psi)

20 kPa(2.9 psi)

50 kPa(7.3 psi)

100 kPa(14.5 psi)

Maximum pressure(100 kg mass)

500 kPa(72.5 psi)

1 000 kPa
(145 psi)

1 100 kPa
(160 psi)

2 750 kPa
(400 psi)

10 000 kPa(1450 psi)

Piston material

Tungsten Carbide

Tungsten Carbide

Tungsten Carbide

Tungsten Carbide

Tungsten Carbide

Cylinder material

Tungsten Carbide

Tungsten Carbide

Tungsten Carbide

Tungsten Carbide

Tungsten Carbide

50

35

25

16

11

Nominal diameter (mm)Nominal area (mm )

2000

1000

500

200

100

Mounting system

Controlled Clearance

Simple Free
Deformation

Simple Free
Deformation

Negative Free
Deformation

Negative Free
Deformation

Typ. N2 drop ratewith full mass load
(mm/min)

0.25

0.3

0.3

0.5

0.7

0.02 Pa + 0.5 ppm

0.02 Pa + 0.5 ppm

0.04 Pa + 0.5 ppm

0.1 Pa + 0.5 ppm

0.2 Pa + 0.5 ppm

2

2

2

2

3

2

Sensitivity1
Reproducibility2 (ppm)

Sensitivity: The smallest variation in input detectable in output
2
Reproducibility: The root sum square of the stability of effective area and stability of the AMH-100 mass set for 1 year
1

Mass sets

Ambient and instrument condition measurements

All masses are delivered in molded, reusable, transit caseswith custom inserts.
Masses > 50 g

Material: 304L non-magnetic stainlesssteel
Finish: Electropolished
Adjustment tolerance: ± 20 ppm of
nominal value (manual mass sets, AMH
automated mass handler mass sets do
not have fixed adjustment tolerances)
Uncertainty of measured values:± 5 ppm or 1 mg, whichever is greater

Masses ≤ 50 g

Uncertainty of measured values:± 1 mgRange

Resolution

Measurement
uncertainty

0 °C to 40 °C(32 °F to 104 °F)

0.1 °C(32.18 °F)± 1 °C(33.8 °F)

0 °C to 40 °C(32 °F to 104 °F)

0.01 °C(32.02 °F)± 0.1 °C
(32.18 °F)

Barometric pressure
with internal sensor

70 kPa to 110 kPa

10 Pa± 140 Pa

Relative humidity

5 % to 95 % RH

1 % RH± 10 % RH

Piston position± 4.5 mm

0.1 mm± 0.2 mm(0.008 in)

2 rpm to 99 rpm

1 rpm

0 Pa to 13 Pa

0.01 Pa

Temperature Ambient
Piston cylinder
modulePiston rotation(Rate and deceleration)
Vacuum (optional)

6 Fluke Calibration

PG9000 Piston Gauge

Barometric pressure can also be read automaticallywith any RS-232 device such as a Fluke Calibration RPM4.

± 0.05 Pa + 0.5 %of readingOrdering information
A typical PG9000 pressure
standard consists of:Pressure control options

Select a PG9000 piston gauge platform:
PG9607 Platform, or PG9602 Platform
Gas operated piston gauges• Includes base, terminal, remote electronics
module, and basic pneumatic interconnections
to pressure controller and UUT.
• All platforms are CE compliant and vacuumcapable, but vacuum reference hardware is notincluded.
• Delivered with reusable shipping cases andcalibration certificates

PPC4 Automatic Pressure Controller/Calibrator
Automatic pressure control and piston floatation ispossible with PPC4. Select the minimum controller
range below that covers your piston gauge range.
Models and ranges:

Automatic

Designator

Maximum pressure

PPC4 A2Mu

2 MPa (300 psi)

PPC4 A14Mu

14 MPa (2000 psi)

Manual3990 Manual Gas Pressure Controller
Precision manual pressure control with model
PG9600-VAC-REF optional Vacuum Reference
3990 manual gas pressure controller.
HardwareHardware required for absolute pressure measure- Models and ranges:
Designator
Maximum pressurements. Consists of:• Stainless steel vacuum chamber (bell jar) assem3990-801
7 MPa (1000 psi)
bly including vent valve and accessories
3990-803
20 MPa (3000 psi)
• Vacuum measure kit with CDG, manual valve
and interconnections, interface and accessories.
COMPASS® for Pressure
Delivered with reusable shipping case andEnhancedcalibration certificate.
Calibration management software enables full
Vacuum pump and interconnections to bell jar
automation of tests and UUT data collection.
assembly supplied separately.
Piston-Cylinder Modules
Gas operated assembly• Delivered with reusable shipping and storage
case and calibration certificate.

Designator

Pressure to mass ratio

Minimum pressure (using mass bell)(absolute and gauge)

Maximum pressure (100 kg mass)(absolute and gauge)

5 kPa/kg

11 kPa (1.6 psi)

500 kPa (72.5 psi)

10 kPa/kg

13 kPa (1.9 psi)

1 000 kPa (145 psi)

PC-9602-20

20 kPa/kg

20 kPa (2.9 psi)

1 100 kPa (160 psi)**

PC-9602-50

50 kPa/kg

50 kPa (7.3 psi)

2 750 kPa (400 psi)**

PC-9602-100

100 kPa/kg

100 kPa (14.5 psi)

10 000 kPa (1450 psi)

For PG9607:
PC-9607-5
For PG9602:
PC-9602-10** Maximum pressure may be limited to less than 100 kg load by piston-cylinder performance

PG9000 Piston Gauge

Fluke Calibration 7

Ordering information
Mass options
Automatic
3821508 AMH-100-VAC Automated Mass Handler
AMH is recommended, but not required for PG9607
operation. Select AMH or manual mass set depending onwhether AMH-100-VAC is selected. Note that AMH-100(gauge pressure model) is not compatible with PG9607
without modification.
3071440 MS-AMH-100 Mass Set(for automatic operation with AMH)
MS-AMH mass sets for use with automated mass handler
only. Mass sets smaller than 100 kg are available if the
maximum pressure range is not required (see table). Massset includes AMH mass carrying bell. Delivered withreusable mass shipping and storage cases and calibration
certificate.
AMH mass set
designator
MS-AMH-40
MS-AMH-60
MS-AMH-80
MS-AMH-100

Item number
307152830715193071504
3071440

Nominal total
mass
40 kg
60 kg
80 kg
100 kgManual3071537 MB-7002-0.8 Mass Bell
Mass bell must be purchased to use manual mass setswith PG9607. Mass bell is not included with the PG9607
platform or manual mass sets.
3070017 MS-7002-100 Mass Set(for manual operation without AMH)
Manual 100 kg mass set is typically used when AMH is
not purchased. Smaller mass sets are available whenmaximum pressure range is not required (see table).
Delivered with reusable shipping and storage cases andcalibration certificate.
Existing MS-7001/7002 mass sets from PG7000 pistongauge systems are compatible with PG9607.
Manual mass set
designator
MS-7002-35
MS-7002-40
MS-7002-45
MS-7002-55
MS-7002-80
MS-7002-100

Item number
30698613070021306998030698773070000
3070017

Nominal total
mass
35 kg
40 kg
45 kg
55 kg
80 kg
100 kgFluke Calibration. Precision, performance, confidence.™

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main.sales@ohtegiken.co.jp

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PO Box 1186, 5602 BD
Eindhoven, The Netherlands©2011 Fluke Corporation. Specifications subject to change without notice.
Printed in U.S.A. 11/2011 4123190A B-EN-N, Pub ID: 11874-eng, rev 01
Modification of this document is not permitted without written permission
from Fluke Corporation.

8 Fluke Calibration

PG9000 Piston Gauge