Ashcroft GC51 Specifications
Data Sheet
GC51 Pressure Transducer
FEATURES
Bright backlit 4-digit LCD display
“Loop Check” function allows unit to output 4-20mA
without applying pressure
Internal “push-button” configurability allows quick
range changes
“Min./Max. Hold” function allows display to capture
pressure events
Easily rotatable display, 90° increments
TYPICAL USES
Pump Control
Hydraulic Systems
Compressor Control
Process Automation
Municipal Water Tank Level
PERFORMANCE SPECIFICATIONS
Reference
Temperature:
Accuracy: ±0.25% of span (URL)
Stability: ±0.25% of span (URL)/year
Output Resolution: 0.1% of span (URL)
ENVIRONMENTAL SPECIFICATIONS
Temperature
Effects:
Temperature Limits: Storage:
FUNCTIONAL SPECIFICATIONS
Overpressure:
≤1,500 psi
3,000 & 5,000 psi
7
,500 psi
Response Time: 30 ms (user adjustable)
Vibration: 5 g’s 150Hz
Shock Effect: 10 g’s 16ms
Display: Type: 4 digit, 10mm LCD with LED backlight
ELECTRICAL SPECIFICATIONS
Output Signal:
Supply Voltage: 12-32 Vdc
Rangeablility/
Adjustment:
73°F (23°C)
Accuracy includes the effects of linearity, hysteresis,
and repeatability
14°F to 140°F (–10°C to 60°C) ±0.02% FS (URL)/°C
–4°F to 158°F (–20°C to 70°C)
Operating:
Compensated:
Proof:
2 X Range
1.5 X Range
1.
2 X Range
Accuracy: ± 0.25% FS (URL) + last digit
4-20 mA (2 Wire)
Zero: -10% to +110% span
Span: -10% to +110% span
(Accuracy and output resolution based upon
F.S. (URL) value)
14°F to 140°F (–10°C to 60°C)
14°F to 140°F (–10°C to 60°C)
Burst:
5 X Range
3 X Range
1.5 X Range
GC51 Pressure
Transducer
KEY BENEFITS
• Robust NEMA 4X (IP65) aluminum die cast
housing
• Scaling function allows display to indicate user
defined physical units
• Up to 8X smaller than a conventional process
transmitter
Insulation
Resistance:
EMC Compliance: EMC Directive 2004/108/EC
PHYSICAL SPECIFICATIONS
Weight: Approx. 1.0 lb.
Environmental
Rating:
Electrical
Connection:
Mounting: Mounting bracket included
Process
Connection:
50 Vdc (>100 MΩ)
IEC/EN 61326-1: 2006 (EMI Class A/ EMS Table 2)
IEC/EN 61326-2-3: 2006
(Annex BB (Pressure Transducer))
IP66/NEMA 4X
½ NPT Female Conduit
Cable Gland (Cable diameters 0.35˝ to 0.47˝)
¼ NPT Female
of 31
All speci fications are subject to change without notice.
All sales subject to standard terms and conditions.
©2019 Ashcroft Inc. GC-51_transducer_ds1.0, Rev. A, 04/19
ashcroft.com
info@ashcroft.com
1.800.328.8258
Data Sheet
03
Load Limitations 4-20mA Output Only
Loop Resistance (V)
GC51 Pressure Transducer
WETTED MATERIAL
Diaphragm
Process Connection
17-4PH SS 316 SS
NON-WETTED
ORDERING CODE Example:
Model
GC51 - Rangeable pressure transmitter GC51
Accuracy
7 - ±0.25% of span 7
Pressure Fitting
F02 - ¼ NPT Fem ale F02
Output Signal
42 - 4-20 mA Ou tput signal 42
Electrical Connection
CG - Cable gland CG
CD - ½ NPT Female conduit
Pressure Range
Compound
15#&VACG - Vac - 15 psi
30#&VACG - Vac - 30 psi
50#&VACG - Vac - 50 psi
Gauge
50#G - 0- 50 psi
100#G - 0-100 psi
150#G - 0-150 psi
300#G - 0 -300 psi
500#G - 0 -500 psi
1000#G - 0-1,000 psi
1500#G - 0-1,500 psi
3000#G - 0-3,000 psi
5000#G - 0-5,000 psi
7500#G - 0 -7,500 psi
Opti on (if i ncluding an optio n(s) mu st include an “X’’)
RH - 9 pt. NIST traceab le calibration certificate
6B - Cleaned for oxygen ser vice
Fluids and gases compatible with
316 SS and 17-4PH SS
Enclosure
Aluminum, epoxy coated
Media Compatibility
LOAD LIMITATIONS 4-20 mA OUTPUT ONLY
1,020
1,000
750
545
500
250
0
12 24
LOOP SUPPLY VOLTAGE
V
= 12V+[0.022A*RL]
min
*Includes a 10% safety factor
RL = RS + R
RL = Loop Resistance (ohms)
RS = Sense Resistance (ohms)
RW = Wire Resistance (ohms)
W
GC51 7 F02 42 CG
OPERATING
REGION
30
22010
15#&VACG
15#&VACG
– XRH
X__
RH
All speci fications are subject to change without notice.
All sales subject to standard terms and conditions.
©2019 Ashcroft Inc. GC-51_transducer_ds1.0, Rev. A, 04/19
ashcroft.com
info@ashcroft.com
1.800.328.8258
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