Dwyer 636-2 : Fixed Range Pressure Transmitter, Range 0-100 psi (0-7 bar), Accuracy ±0.30%, 4-20 mA Output, Stainless Steel, NEMA 4 (IP56), Explosion-Proof
Fixed Range Pressure Transmitter: Reliable, Accurate, and Explosion-Proof
The Series 636 Fixed Range Pressure Transmitter is a cost-effective solution for precise pressure measurement in demanding environments. Built with stainless steel and offering ±0.30% accuracy, it provides consistent performance over time. Its explosion-proof housing (FM-approved) and compliance with NACE standards make it well-suited for offshore and industrial process applications.
Key Benefits:
- Long-lasting performance minimizes maintenance needs and reduces overall costs.
- Explosion-proof housing ensures safety in hazardous environments.
Applications:
- Offshore operations
- Industrial process systems
Specifications
| Service: | Liquid, gas or vapor. |
| Wetted Parts: | 316L SS. |
| Fill Fluid: | DC 200 silicone (standard). |
| Accuracy: | ±0.30% of calibrated span including linearity hysteresis and repeatability (BFSL) at 25°C (77°F) and 12 VDC excitation. |
| 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 Limit: | 300% upper range limit. |
| Compensated Temperature Range: | -20 to 180°F (-29 to 82°C). |
| Thermal Errors: | (includes zero and span). Between -20 and 180°F (-29 and 82°C). ±2.0% per 50°F (28°C). |
| Power Requirements: | 12-30 VDC (636), 8-14 VDC (636LP), reverse polarity protection. |
| Output Signal: | 4-20 mA DC, limited to 30 mA DC (636), 1-5 VDC (636LP). |
| Zero and Span Adjustment: | 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: | 900 Ω max @ 30 V. |
| Electrical Connections: | 3/4˝ female NPT 24˝ (61 cm), 22 AWG. |
| Process Connection: | 1/2˝ female NPT. |
| Enclosure Rating: | NEMA 4 (IP56). |
| Weight: | 0.83 Ib (374 g). |
| Compliance: | CSA, FM. FM and CSA approved explosion-proof for Class I, Division 1, Groups B, C, and D, Class II Groups E, F, and G Class III. |
Datasheets
 | Dwyer 636 Series | Pressure Transmitter Product Data Sheet |
| Dwyer 636 Series | Pressure Transmitter Installation Instructions |
