1. INTRODUCTION
Page 1 © 2002-2007 DH Instruments, a Fluke Company
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1.1 PRODUCT OVERVIEW
PPC3 is a stand-alone, pressure controller intended to precisely set and control gas pressure into a
closed volume as is commonly needed for the calibration and testing of pressure measuring instruments.
It has been designed to provide very high performance combined with maximum versatility and ease of use.
PPC3 can be equipped with a low cost utility sensor for pressure monitoring or one or two Quartz Reference
Pressure Transducers (Q-RPTs) to allow it to set and measure pressure with very low measurement
uncertainty. Up to four external Q-RPTs in one or two external Reference Pressure Monitors (RPM4s),
can also be integrated into a PPC3 system. In some cases, a barometer is also included.
Pressure control is achieved by a patented pneumatic module based on digitally controlled solenoid
valves and differential pressure regulators.
PPC3 is controlled locally by the operator using a front panel display, keypad and function keys or
remotely by a computer using ASCII character command strings over an RS232 or IEEE-488.2 interface.
PPC3 models are available to measure and control pressure in ranges from as low as - 3 to 3 kPa (0.4 psi)
to as high as 0 to 10 MPa (0 to 1 500 psi) in absolute, gauge and compound gauge measurement modes.
1.2 SPECIFICATIONS
1.2.1 GENERAL SPECIFICATIONS
Power Requirements
85 to 264 VAC, 50/60 Hz, 30 VA max consumption
Operating Temperature Range
15 to 35 °C
Storage Temperature Range
- 20 to 70 °C
Vibration
Meets MIL-T-28800D
Weight
12.7 kg (28.2 lb) approx
Dimensions
Ventilation
18 cm H x 32 cm W x 40 cm D (7.1 in. x 12.6 in. x 15.8 in.)
To prevent product overheating, provide proper ventilation. Allow 10 cm
(4 in.) clearance from rear panel cooling fan.
Microprocessors
Motorola 68302, 16 MHz
Communication Ports
Fuses
RS232 (COM1), RS232 (COM2), IEEE-488.2
1 A, 250 VAC fuse, 5 x 20 mm, time lag type fuse
Internal power supply fuse not replaceable by operator: 2A, 250 V (UV 440-2
power supply), 3.15A, 250 V (NFS40-7612 power supply)
Pressure Ranges
Six controller models from 200 kPa (30 psi) max to 10 MPa (1 500 psi) max.
Low uncertainty measurement provided by selection of quartz reference
pressure transducer(s) (Q-RPTs)
Operating Medium
Any clean, dry, non-corrosive gas
Pressure Connections
SUPPLY: 1/8 in. NPT F
TEST(+): 1/8 in. NPT F
TEST(-): 1/8 in. NPT F
ATM (Vent): 10-32 UNF
EXHAUST: 1/4 in. NPT F
Pressure Limits
Maximum Working:Pressure: Controller or Hi Q-RPT maximum
Maximum Test Pressure:w/out Damage: 110 % controller or Hi Q-RPT
maximum
Recommended Supply: Pressure: Maximum control pressure + 10 %
Maximum Supply Pressure: w/out Damage:
PPC3-10M: 14 MPa (2 000 psi)
PPC3 -7M: 9.6 MPa (1 400 psi)
PPC3-2M, -700K, -200K: 3.5 MPa (500 psi)
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