Data Sheet
GC52 Differential Pressure Transducer
FEATURES
Bright backlit 4-digit LCD display
Scaling function allows display to indicate user
defined physical units
Internal “push-button” configurability allows quick
range changes
“Loop Check” function allows unit to output 4-20 mA
without applying pressure
Linear flow output and totalization via square root
extraction
TYPICAL USES
Pressurized & non-pressurized tank levels
Flow measurement (liquid/gas)
Pollution monitoring equipment
PERFORMANCE SPECIFICATIONS
Reference
Temperature:
Accuracy: ±0.50% of span (URL)
Stability: ±0.25% of span (URL)/year
Output Resolution: 0.1% of span (URL)
Model: 4 digit, 10mm LCD with LED backlight
ENVIRONMENTAL SPECIFICATIONS
Temperature Effects: (–10°C to 60°C) ±0.03% FS/C°
Temperature Limits: Storage:
FUNCTIONAL SPECIFICATIONS
Static (Line) Pressure
Pressure Range:
4 IWC to ≤400 IWC
Single Side (Differential)
Pressure Range:
≤8 IWC, ±4 IWC
≥20 IWC, ±8 IWC
Static (Line) Pressure Effects
Pressure Range:
≥20 IWC, ±8 IWC
8 IWC, ±4 IWC
4 IWC
Response Time: 100ms (user adjustable)
Vibration: 5g’s 150Hz
Shock Effect: 10g’s 16ms
73°F (23°C)
Includes the effects of linearity, hysteresis, and
repeatability
5°F to 150°F (–15°C to 65°C)
Operating:
Compensated:
Proof:
300 psi
Proof:
30 psid
100 psid
Effect:
±0.3% Range/100 psi (URL)
±0.7% Range/100 psi (URL)
±1.5% Range/100 psi (URL)
14°F to 140°F (–10°C to 60°C)
14°F to 140°F (–10°C to 60°C)
Burst:
800 psi
Burst:
130 psid
130 psid
GC52
Pressure Transducer
KEY BENEFITS
• Up to 8X smaller than a conventional process
transmitter
• Compact robust design
• Easily rotatable display, 90° increments
• Robust NEMA 4X (IP66) aluminum die cast
housing
ELECTRICAL SPECIFICATIONS
Output Signal:
Supply Voltage: 12-32 Vdc
Rangeablility/
Adjustment:
Insulation
Resistance:
EMC Compliance: EMC Directive 2004/108/EC
4-20 mA (2 Wire)
Zero –10% to 110% Span
Span –10% to 110% Span
(Accuracy and output resolution based upon
full scale (URL) value)
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))
All speci fications are subject to change without notice.
All sales subject to standard terms and conditions.
©2019 Ashcroft Inc. GC-51_transducer_ds_RevB, 03-13-19
ashcroft.com
info@ashcroft.com
1.800.328.8258
of 31
Data Sheet
03
Load Limitations 4-20mA Output Only
GC52 Differential Pressure Transducer
PHYSICAL SPECIFICATIONS
Weight: Approx. 1.0 lb.
Environmental
Rating:
IP66/NEMA 4X
Mounting: Mounting bracket included
Pressure
Connection:
Electrical
Connection
(External):
¼ NPT Female
½ NPT Female Conduit
Cable Gland (Cable diameters 0.35˝ to 0.47˝)
WETTED MATERIAL
Diaphragm
316 SS, Viton® &
Alumina Ceramic
Process Connection
316 SS
Fluids and gases compatible
with 316 SS, Viton® and
NON-WETTED
Enclosure
Aluminum, epoxy coated
Media Compatibility
Alumina Ceramic
OPTIONAL FEATURES
Calibration Report: 9 point NIST traceable calibration report
Pressure Connection:
54mm conversion joint for 3-way manifold
LOAD LIMITATIONS 4-20 mA OUTPUT ONLY
Loop Resistance (V)
1,020
1,000
750
545
500
250
0
RL = RS + R
12 24
LOOP SUPPLY VOLTAGE
V
= 12V+[0.022A*RL]
min
*Includes a 10% safety factor
RL = Loop Resistance (ohms)
RS = Sense Resistance (ohms)
RW = Wire Resistance (ohms)
W
OPERATING
REGION
30
22010
ORDERING CODE Example:
Model
GC52 - Rangeable wet/wet differential pre ssure transmitter GC52
Accuracy
7 - ±0.50% 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
Bidirectional
4IWL - ±4 IWC 4IWL
8IWL - ±8 IWC
20IWL - ±20 IWC
40IWL - ±40 IWC
80IWL - ±80 IWC
200IWL - ± 200 IWC
Differential
4IW - 0-4 IWD
8IW - 0-8 IWD
20IW - 0-20 IWD
40IW - 0-40 IW D
80IW - 0 -80 IWD
200IW - 0 -200 IWD
400IW - 0 -40 0 IWD
Opti on (if i ncluding an optio n(s) mu st include an “X’’)
RH - 9 pt. NIST traceab le calibration certificate
GC52 7 F02 42 CG 4IWL – 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_ds_RevB, 03-13-19
ashcroft.com
info@ashcroft.com
1.800.328.8258
of 32
Data Sheet
Dimension Drawings
Dimensions in inches
1.0
4.49
3.62
2.91
2.28
4.72
5.12
1.97
2.36
0.69
2 x Ø 0.06
Drain
4 x Ø 0.22
Panel Mounting Holes
Bracket t = 0.08
Ø 2.56
0.42
2.07
Drain Outlet
Equalizing Valve
High Pressure Port
NPT Female
Low Pressure Port
NPT Female
0.82
1.42
Electrical Connection PG 13.5
threaded housing, factory installed
options include cable gland or
½ NPTF conduit connection
inH2O
GC52
GC52 Differential Pressure Transducer
DIMENSIONS
1
/
4
54mm Conversion Joint Body
Part Number 141A444-01
(2 locations)
1.14
1.24
1
/
4
0.12
0.91
2.41
3.37
2.13
1.62
0.43
M4
(4 locations)
7
-20UNF
/
16
(4 locations)
2.17
All speci fications are subject to change without notice.
All sales subject to standard terms and conditions.
©2019 Ashcroft Inc. GC-51_transducer_ds_RevB, 03-13-19
ashcroft.com
info@ashcroft.com
1.800.328.8258
of 33
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