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Last Updates: 05/12/2020

Dwyer Series 636 Fixed Range Pressure Transmitter

The Dwyer Series 636 Pressure Transmitter is a low cost, fixed range, stainless steel transmitter with ±0.30% accuracy. It is designed to continuously measure pressure for years in even the toughest environmental and media conditions. Transmitters are explosion-proof, (FM approved) and meet NACE standards for off-shore applications.

Product Applications

  • Off-shore
  • Process applications

Service : Liquid, gas or vapor.

Wetted Materials : 316 L SS.

Fill Fluid : DC 200 Silicone (standard).

Accuracy : ±0.30% of calibrated span.

Stability : ±0.5% of upper range limit for six months.

Temperature Limits : Electronics (ambient): -40 to 140°F (-40 to 60°C); Process interface: -40 to 212°F (-40 to 100°C).

Pressure Limits : 300% upper range limit.

Compensated Temperature Range : -20 to 180°F (-29 to 82°C).

Thermal Effect (includes zero and span): Between -20 and 180°F (-29 and 82°C). ±2.0% per 50°F (28°C).

Power Requirements : 12 to 30 VDC (636), 8 to 14 VDC (636LP), reverse polarity protection.

Output Signal : 4 to 20 mA DC, limited to 30 mA DC (636), 1 to 5 VDC (636LP).

Zero and Span Adjustments : Null: 4.0 mA ±2% span (636), 1 VDC ±1% span (636LP); Span: 16.0 mA ±1% span (636), 4 VDC ±1% span (636LP).

Loop Resistance :9 00 Ω max. @ 30 V.

Electrical Connection : 3/4″ female NPT 24″ (61 cm), 22 AWG.

Process Connection : 1/2″ female NPT.

Enclosure Rating : NEMA 4 (IP56).

Weight : 0.83 lb (374 g).

Agency Approvals : CSA, FM. FM and CSA approved explosion-proof for Class I, Division 1, Groups B, C, & D, Class II, Groups E, F, & G, Class III.

  • Long service life and lower cost to maintain reduces total cost of ownership
  • Explosion-proof housing for use in applications where protection of process and personnel is needed

Manuals: 636 Manual
Catalog Pages: Series 636 Catalog Page

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