634ES

Dwyer Series 634ES Adjustable Range Pressure Transmitter

$ 315.00

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Product Description

0.5% Full Span Accuracy, Ranges to 5000 psi

Series 634ES Transmitters sense a single pressure for air, compatible gas or liquid and provide 4-20 mA output signal. Positive pressure can be measured within an accuracy of ±0.5% of span. The Series 634ES uses an isolated piezoresistive pressure sensor to produce a resistance change across a wheatstone bridge. Convenient 2-wire operation simplifies installation. Zero and span adjustments are fully protected inside a rugged die cast aluminum housing with durable gray polyurethane finish. Enclosure is designed to meet NEMA 4X requirements.

Models

Model Description
634ES-0 Adjustable range pressure transmitter, range 10 psi (0.69 bar), min. range 10 psi (0.69 bar), max. range 20 psi (1.38 bar).
634ES-1 Adjustable range pressure transmitter, range 30 psi (2.07 bar), min. range 20 psi (1.38 bar), max. range 40 psi (2.76 bar).
634ES-2 Adjustable range pressure transmitter, range 50 psi (3.45 bar), min. range 40 psi (2.76 bar), max. range 60 psi (4.14 bar).
634ES-3 Adjustable range pressure transmitter, range 100 psi (6.9 bar), min. range 60 psi (4.14 bar), max. range 120 psi (8.3 bar).
634ES-4 Adjustable range pressure transmitter, range 200 psi (13.8 bar), min. range 100 psi (6.9 bar), max. range 250 psi (17.2 bar).
634ES-5 Adjustable range pressure transmitter, range 300 psi (20.7 bar), min. range 250 psi (17.2 bar), max. range 350 psi (24.1 bar).
634ES-6 Adjustable range pressure transmitter, range 500 psi (34.5 bar), min. range 350 psi (24.1 bar), max. range 600 psi (41.4 bar).
634ES-7 Adjustable range pressure transmitter, range 1000 psi (69 bar), min. range 600 psi (41.4 bar), max. range 1250 psi (86 bar).
634ES-8 Adjustable range pressure transmitter, range 2000 psi (138 bar), min. range 1250 psi (86 bar), max. range 2500 psi (172 bar).
634ES-9 Adjustable range pressure transmitter, range 4000 psi (276 bar), min. range 2500 psi (172 bar), max. range 6000 psi (414 bar).

Specifications

Service:
Compatible, gases & liquids.
Wetted Materials:
Types 316, 316L SS.
Accuracy:
±0.5% F.S.
Stability:
±1% F.S./yr.
Temperature Limits:
20 to 120°F (-6.67 to 48.9°C).
Compensated Temperature Limits:
20 to 120°F (-6.67 to 48.9°C).
Pressure Limit:
1.5x maximum pressure range.
Thermal Effect:
±0.025% F.S./°F (0.045% F.S./°C).
Power Requirements:
10 to 35 VDC (2-wire).
Output Signal:
4 to 20 mA.
Zero and Span Adjustments:
Protected potentiometers located in auxiliary housing.
Loop Resistance:
1250 ohms DC max.
Current Consumption:
38 mA DC max.
Electrical Connections:
Terminal block.
Process Connection:
1/4″ (6.35 mm) female NPT x 1/2″ (12.7 mm) male NPT.
Enclosure Rating:
Designed to meet NEMA 4X.
Mounting Orientation:
Not position sensitive.
Weight:
1 lb 10.6 oz (754 g).
Agency Approvals:
CE.

Literature

Manuals

634ES

Catalog Pages

Series 634ES Catalog Page

Drawings

Accessories

Model Number Description
NISTCAL-PT1 NIST traceable calibration certificate for pressure transmitters.NOTE: EQUAL CERTS WILL BE CHARGED PER UNITS PURCHASED.

Model Chart

EXAMPLE 634ES 0 AT Series 634ES-0-AT Adjustable Range Pressure Transmitter, range 10-20 psi, with aluminum tag.
SERIES 634ES     Adjustable Range Pressure Transmitter
RANGE   0
1
2
3
4
5
6
7
8
9		   10-20 psi
20-40 psi
40-60 psi
60-120 psi
100-250 psi
250-350 psi
350-600 psi
600-1250 psi
1250-2500 psi
2500-6000 psi
OPTIONS     AT
NIST
PRESET
ST		 Aluminum Tag
NIST Certificate of Calibration
Preset
Stainless Steel Tag

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