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The new Ashcroft Model GC30 is a uniquely compact pressure sensor, ideal for monitoring differential pressures in clean rooms, filters, fan speed control and vacuum/suction pressure sensing & control where consistent, reliable pressure measurement is essential. The GC30 is equipped with Ashcroft's highly reliable SiGlas™ Sensor and can monitor a wide variety of applications.
Available in differential gauge pressure from 0.25" to 25" water column and differential compound pressures from ±0.25" to ±25 water column, this versatile sensor includes a min./max. hold feature to record high and low pressure events, and adjustment for controlling the display rates. The 1.2" x 1.2" (30 mm x 30 mm) enclosure incorporates a 3 1/2 digit LED display. Analog scaling allows the user to configure the unit to any range within the full scale of the sensor range, while integrated switches for control or safety offer the actuation and deadband to any points within the full scale range.
PRODUCT SPECIFICATIONS
Analog Output (1-5Vdc):
Accuracy: ± 1.5% FS (accuracy includes 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 Accuacy: ± 1.5% F.S.
Number of contacts: 2
Time delay: 5 msec –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: 31⁄2 digit, 10mm LED
Accuracy: ± 1.5% FS + last digit
Display setting: User may re-configure display
scaling, set to capture MIN or MAX value, and adjust
display update rate.
Inches of Water Column ( W.C.) Ranges:
Standard Ranges (Gauge):
0 to 0.25 W.C., 0.50 W.C., 1.0 W.C., 2.5 W.C.,
5.0 W.C., 10 W.C., 25 W.C.
Standard Ranges (Compound):
±0.25 W.C., ±0.50 W.C., ±1.0 W.C., ±2.5 W.C.,
±5.0 W.C., ±10 W.C., ±25 W.C.
ENVIRONMENTAL SPECIFICATIONS
Temperature Limits:
Storage: -22 to 140°F (–30 to 60°C)
Operating: -4 to 140°F (–20 to 60°C)
Compensated: 14 to 122°F (–10 to 50°C)
Temperature Effects:
Zero/Span: (from 73°F/23°C reference temperature)
±0.09%/°F (±0.15%/°C) ±2.5 W.C., 0/2.5 W.C.
and below
±0.06%/°F (±0.10%/°C) ±5.0 W.C., 0/5.0 W.C.
and above
Humidity: 0-85% RH (Non-Condensing)
FUNCTIONAL SPECIFICATIONS
Proof pressure: 7.5psid (50kPa)
Burst pressure: 25psig (170kPa)
Max static (line) pressure: 7.5psi (50kPa)
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: voltage drop 1Vdc (max)/80mA (max)
MECHANICAL SPECIFICATIONS
Pressure Connection: 4mm barb
Enclosure: ABS, polycarbonate, aluminum
Rating: IP40
Electrical Connection: 6ft (2m) cable pigtail
Weight: Approx. 75 grams
Mounting: Panel mounting bracket included
Media: Clean, dry air/gases compatible with
Aluminum, ABS, Ceramic, Silicon, and Silicone RTV
Dimensions
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