Ashcroft GC31 - Digital Pressure Sensor User Manual

Page 6

1. SPECIFICATIONS:

PERFORMANCE SPECIFICATIONS
Analog Output (1–5Vdc):

Accuracy: ±1.0% FS (Accuracy includes the effects of Linearity, Hysteresis and Repeatability)
Response Time: 50msec
Output Resolution: 25mV
Analog Scaling: User may configure analog output scaling to any range within Full Scale
of sensor range

Pressure Switch Output:

Type: NPN or PNP Open Collector up to 30Vdc/80mA
Setting Accuracy: ±1.0% FS
Number of Contacts: 2
Response Time: 5msec-2.0 sec (by user)
Hysteresis: Variable (by user)
Switch Setting: User may adjust switch actuation & deadband to any points within Full
Scale sensor range

Display:

Type: 3½ digit, 10mm LED
Accuracy: ±1.0% FS ± last digit
Display Setting: User may re-configure display scaling, set to capture MIN or MAX value,
and adjust display update rate

Standard Ranges (Gauge):

0 to 50psig, 100psig, 150psig, 300psig, 500psig, 1000psig, 1500psig

Standard Ranges (Compound):

–15 to 15psig, –15 to 75psig, –15 to 150psig, –15 to 300psig

ENVIRONMENTAL SPECIFICATIONS
Temperature Limits:

Storage: –30 to 60ºC (–22 to 140°F)
Operating: –20 to 60ºC (–4 to 140°F)
Compensated: –10 to 50ºC (14 to 122°F)
Temperature Effects:
Zero/Span: ±0.05% FS/°C (from 23°C (–73°F) reference temperature)

Humidity: 0-85% RH (Non-Condensing)
FUNCTIONAL SPECIFICATIONS

Proof Pressure: 2X Range
Burst Pressure: 10X Range
CE Compliance: EN61326-1 2006, EN61326-2-3 2006

ELECTRICAL SPECIFICATIONS

Power Supply Requirements:
Supply Voltage: 11-27Vdc
Current Consumption: 30mA (max)
Switch Contacts: (2) NPN or PNP Open Collector Outputs
NPN Type: 30Vdc/80mA (max)
PNP Type: Sensor Supply Voltage/80mA (max)

MECHANICAL SPECIFICATIONS

Pressure Connection: ¼ NPT Male, G¼B (Opt.)
Enclosure: ABS, Polycarbonate, Aluminum
Rating: IP40
Electrical Connection: 6ft Cable Pigtail
Weight: Approx. 120 grams
Mounting: Panel Mounting Bracket included (Back Connect Only)
Media: Fluids and gases compatible with 304SS (sensor housing) and 17-4 pH SS
(sensor diaphragm)

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