Series 636D Fixed Range Differential Pressure Transmitter

Explosion-proof, 0.5% Accuracy

Series 636D Differential Pressure Transmitter can be used for measuring pressures of liquids, gases & vapors. All available ranges have an excellent 0.5% F.S. accuracy with a 4-20 mA Output standard or optional 1-5 VDC output. The NEMA 4 housing is an all 316 welded construction that is designed to withstand the harshest environmental conditions. With all 316L wetted materials, this transmitter is compatible with most media. These units are CSA approved explosion-proof for use in specified hazardous locations.

Calibration Option available under Accessories.

Product Applications

Monitoring Differential Pressure for;
Level Measurements in Non-Vented Liquid Tanks
Filtration Systems
Compressor Control
Process Control

Starting at $1,970.65

Ordering

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1-5 VDC Output

4-20 mA Output

Grouped product items
Model	Description	Availability*	Price
636D-0	Fixed range differential pressure transmitter, range 0-6 psid.	Call for Details*	$1,970.65
636D-2	Fixed range differential pressure transmitter, range 0-30 psid.	1-3 days*	$1,970.65
636D-3	Fixed range differential pressure transmitter, range 0-60 psid.	1-3 days*	$1,970.65

Specifications

Service:: Compatible gases, liquids or vapors.
Wetted Materials:: Types 316L SS.
Accuracy:: BFSL: ±0.5% F.S. (includes linearity, hysteresis & repeatability).
Stability:: ±1.0% F.S./yr.
Pressure Limits:: 3 x full scale differential pressure; burst: 2500 psig.
Temperature Limits:: Ambient Operating: -40 to 140°F (-40 to 60°C); Process Interface: -40 to 212°F (-40 to 100°C); Storage: -40 to 212°F (-40 to 100°C).
Compensated Temperature Range:: -20 to 160°F (-29 to 71°C).
Thermal Effect:: ±2% F.S./50°F (reference to 77°F).
Power Requirements:: 12-30 VDC for 4-20 mA outputs; 8-14 VDC for 1-5 VDC outputs, both with reverse polarity protection.
Output Signal:: 4 to 20 mA DC or 1-5 VDC.
Zero and Span Adjustments:: Fixed.
Response Time:: 20 ms.
Loop Resistance:: 900 ohms max. @ 30 VDC for current outputs. For voltage outputs, minimum lead resistance 50k ohms.
Current Consumption:: 4-20 mA for current output models; 3 mA for voltage output models.
Electrical Connections:: 2 ft, 22 AWG cable; 3/4" female NPT conduit.
Process Connection:: Two 1/2" female NPT.
Enclosure Rating:: NEMA 4 (IP65).
Mounting Orientation:: ±0.05 psi/90° rotation from horizontal.
Weight:: 1.8 lb (0.82 kg).
Compliance:: CSA approved explosion-proof for Class I, Division 1, Groups B, C and D; Class II, Groups E, F, and G; Class III.

Features

NEMA 4X rated enclosure provides protection in harsh environments permitting outdoor monitoring or in areas where dust and particulate matter exists
Explosion-proof device for use in hazardous areas
Versatile, high-accuracy device for liquid or gas supports designs requiring more precise measurements in support of application

Support Library

Support Libary

Manuals

Instruction Manual

Catalog Pages

Series 636D Catalog Page

Approvals

CSA Approval

Drawings

FAQ

Questions

Question

Please advice for a differential pressure transmitter for Hydrogen

Answer

Hydrogen is a combustible gas which would need a Class I, Div I, Group B rating.You can consider the Series 608 for lower ranges or Series 636D for larger ranges.

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