Digital and Analog Modes Operate Simultaneously

Programmable Flow Configurations

RS485 Standard, Multi-Drop Capability of Up to 256 units

Stores Calibration Data for Up to 10 Gases

Accuracy± 1 %

Accuracy DetailAccuracy (including linearity): 15 to 25°C (59 to 77°F) and 0.7 to 4 bar (10 to 60 psia): ± 1% of FS, 0 to 50°C (32 to 122°F) and 0.3 to 10 bar (5 to 150 psia): ± 2% of FS, ± 1% of FS at a specific temperature and pressure with special calibration

Additional Features 12 SPDT 1A Relay

CalibrationNIST 10-Point Certificate

Circuit ProtectionReverse polarity, Current Limit, Resettable Fuse

Control ValveSolenoid Valve

Data InterfaceRS485

Data Interface NoteRS485, standard

RS232, optional

Display TypeNone

Electrical ConnectionSub-D Male Miniature Connector

Electrical Output0 to 5 V

Enclosure RatingsInst. Level II/Poll. Degree II (IEC 60664)

Leak Rate Under Vacuumless than 10^⁻9 cc He/s

Media CompatibilityAir, Gases, Nitrogen, Oxygen

Operating Pressure, Max500 psi

Operating Pressure, Min0 psi

Operating Temperature, Max50 °C

Operating Temperature, Min5 °C

Optimum Pressure25 psi

Output DetailLinear 0 to 5 Vdc (2000 Ω min load impedance)

0 to 10 Vdc (4000 Ω min impedance)

4 to 20 mA optional (0 to 500 Ω loop resistance)

Output SignalVoltage

Pressure Coefficient0.01% FS/psi

Pressure, Max50 psi

Process Connection Size1/4 in

Repeatability± 0.15%

Response Time1 sec

Response Time Note0.6 to 1.0 s to within ± 2% of setpoint over 20% to 100% FS

Supply CurrentUp to 450 mA

Temperature Coefficient0.05% FS/°C

Turndown Ratio50:1

Volumetric Flow Rate, Min0.2 SCCM