Dwyer Series
626 and 628
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| Industrial Pressure Transmitters |
| Complete Offering of Ranges, Connections and Outputs |
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 The Series 626 Pressure Transmitters possess a highly precise 0.25% full scale accuracy piezo-resistive sensor contained in a compact, rugged, NEMA 4X stainless steel general purpose housing or cast aluminum conduit housing.
The Dwyer Series 628 Pressure Transmitters are ideal for OEM's with 1% full scale accuracy sensors. The transmitter is also available in the general purpose stainless steel housing and the cast aluminum conduit housing.
 The corrosion resistant 316L stainless steel wetted parts allow the Series 626 and 628 transmitters to measure the pressure in a multitude of processes from hydraulic oils to chemicals. The Series 626 and 628 are available in absolute and pressure ranges with a variety of optional outputs, process connections and electrical terminations to allow you to select the right transmitter for your application.
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| Specifications: |
| Service: Compatible gases or liquids |
| Wetted Materials: Type 316, 316LSS |
| Accuracty: ±0.25% full scale (includes linearity,
hysteresis, and repeatability). |
| Temperature Limit: 0 to 200°F (-18 to 93°C) |
| Compensated Temperature Range: 0 to 175°F (-18 to
79° C) |
| Thermal Effect: ±0.02% FS/°F (includes zero
and span) |
| Pressure Limits: See chart |
| Power Requirements: 13 to 35 VDC (2-wire) |
| Output Signal: 4 to 20 mA. |
| Zero and Span Adjustments: Accessible potentiometers |
| Response Time: 50 msec |
| Stability: 1.0% FS/year (Typ.). |
| Loop Resistance: 0 - 1300 ohms maximum |
| Current Consumption: 38 mA maximum (for 4-20 mA output); 10 mA maximum (for 0-5, 1-5, 1-6, 0-10, 2-10, 0.5-4.5 VDC output); 140 mA maximum (for all 626/628/629-CH with optional LED). |
| Electrical Connections: Conduit Housing (-CH): terminal block; 1/2" female NPT conduit. General Purpose Housing (-GH): cable or DIN EN175801-803-C. |
| Process Connection: 1/4" male NPT (optional 1/4"
female NPT) |
| Enclosure Rating:NEMA 4X (IP66) |
| Mountng Orientation: Mount in any position |
| Weight: 10 oz (283 g). |
| Agency Approvals: CE. |
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