Ashcroft GL42 Indicating Low Differential Pressure Transmitter

The Ashcroft® GL42 low differential indicating pressure transmitter is used for measurement and control of extremely low pressures and flow. Incorporating variable capacitance sensor with patented Si-Glass™ technology, this ensures high sensitivity and performance. A perfect product when reliable measurement and indication is needed.

The GL42 model utilizes Ashcroft’s proven Si-Glas™ silicon variable capacitance sensor technology, ideal for applications where reliable, low differential pressure measurement is required with pressure from ±0.05? W.C. to 0 to 25.00? W.C.

Dimensions (mm) Inches

The GL42 is ideal where consistent, and reliable differential pressure measurement is essential:

Process Applications:

HVAC/R
Building Energy Management / Comfort Control Systems
Critical Environments
Fume Hood Control
Laboratory / Clean Room / Hospital Room Pressurization
Filter Monitoring
Laminar Flow
Flow Measurement

HOW TO ORDER

Ashcroft GL42 Specifications
Reference condition	77°F (25°C)
Accuracy*	±0.50% or ±1.00% F.S. (URL) (* includes linearity, hysteresis and repeatability)
Repeatability	≤ ±0.1 % F.S.
Stability	≤ 0.5% F.S. / Year
Zero / Span Adjustment	±5% F.S.
Standard-Ranges (Unidirectional)	0.10˝ to 25.00˝ in H20 (See Pressure Range & Engineering Unit Table)
Standard-Ranges (Bidirectional)	±0.05˝ to ±15.0˝ in H20 (See Pressure Range & Engineering Unit Table)
ENVIRONMENTAL SPECIFICATIONS
Enclosure Rating	IP65
Temperature Limits
Operating	–4/158°F (–20/70°C)
Storage	–40/194°F (–40/90°C)
Compensated	35/129°F (2/54°C) (10-90% R.H. non-condensing)
Temperature Coefficients
Zero & Span	±0.06% / K within 35/129°F (2/54°C) Ref. 77°F (25°C)
FUNCTIONAL SPECIFICATIONS
Static (line) Pressure	All Pressure Ranges Proof: 14.5 psi (1 bar) Burst: 24.65 psi (1.7 bar) Max. Static: 24.65 psi (1.7 bar)
ELECTRICAL SPECIFICATIONS
LCD Display	4 Digit
LCD Screen Dimensions	Width: 1.77˝ (45mm) / Height: 0.75˝ (19mm)
LCD Character Size	Height: 0.21˝ (5.4mm) / Width: 0.45˝ (11.5mm)
Output Signal	4-20 mA ( 2 wire)
Supply Voltage	19-36 Vdc (Nominal 24 Vdc)
Rangeability / Adjustment	Zero: ±33% F.S.
CE-Compliance	EN 61000-4-2, EN 61000-4-3
Mechanical Specifications	1/8˝ Female NPT or 1/4˝ Male Barbed Fitting
Electrical Connection	½˝ Female DIN Cable Conduit (Standard) PG9 Cable Gland (Option)
Enclosure	Nylon
Cable Connection Socket	Nylon
Front Foil	Polyester
Electrical Connection	Screw Terminal
Weight	9.9 oz (308 g)
Mounting	Wall Mount (Standard)
DIN Rail (Option)	EN 50022 / EN 50035 / EN 50045
Panel Mount (Option)
Sensor Material	Silicon / Aluminum / Glass
Media	Clean, Dry Air / Non-Corrosive Gas

Process / Calibration/Pressure Transmitters Template
Type (Pressure)	Compound (Vacuum to Gauge), Differential
Display (Xmitters)	Yes
Maximum Pressure	25 IN of H2O (0.9032 psi)
Enclosure Type (Press Xmitter)	Wall Mount
Process Connection	Hose, NPT (National Pipe Thread)
Electrical Connection (Press Xmitter)	Cable Gland, Conduit
Output Types (Xmitter)	4-20 mA
Power (Transmitters)	DC Loop
Test Equipment General Attributes
Unique Features	Field selectable units of measure Large, field-adjustable display Configurable display response time
Warranty	2 YEARS
Safety Approval	CE, RoHS
IP Rating	IP65
Product Weight	308 GRAMS (0.679 LBS)
Shipping Weight	1 LBS
ECCN Number	EAR99
Calibration Included	NIST Calibration Calibration Included NIST is optional
Country of Origin	United States

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Name: Ashcroft GL42 Indicating Low Differential Pressure Transmitter, Configure Model
Brand: Ashcroft
SKU: AshcroftGL42
Price: 450.30 USD
Availability: InStock

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Price
In Stock
Type (Pressure)	Compound (Vacuum to Gauge), Differential	Compound (Vacuum to Gauge), Differential	Compound (Vacuum to Gauge), Differential, Gauge	Compound (Vacuum to Gauge), Differential, Gauge	Compound (Vacuum to Gauge), Differential	Differential	Compound (Vacuum to Gauge), Differential	Differential	Compound (Vacuum to Gauge), Differential, Vacuum
Display (Xmitters)	Yes	No	No	No	No	No	Yes	Yes	Yes and Rotatable
Maximum Pressure	25 IN of H2O (0.9032 psi)	50 IN of H2O (1.81 psi)	25 psi	200 IN of H2O (7.23 psi)	25 IN of H2O (0.9032 psi)	20 psi		300 psi	400 IN of H2O (14.45 psi)
Compare	Add to compare	Add to compare	Add to compare	Add to compare	Add to compare	Add to compare	Add to compare	Add to compare	Add to compare

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Dimensions (mm) Inches

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HOW TO ORDER

Process / Calibration/Pressure Transmitters Template

Test Equipment General Attributes

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