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631B系列 液用差壓變送器能精確地監(jiān)測空氣，兼容的液體或氣體的差壓。輸出標準的兩線制回路的4-20mA信號。前面板帶數(shù)字按鍵，能夠容易校準零點和量程。631系列變送器的防護級別為NEMA 4X （IP66），結(jié)構(gòu)牢固，耐壓500psi，并能測量差壓到0.5英寸水柱。
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Dwyer 631B系列液用差壓變送器
631B系列
液用差壓變送器
量程可低至0.5英寸水柱，耐靜壓500psi
631B系列 液用差壓變送器能精確地監(jiān)測空氣，兼容的液體或氣體的差壓。輸出標準的兩線制回路的4-20mA信號。前面板帶數(shù)字按鍵，能夠容易校準零點和量程。631系列變送器的防護級別為NEMA 4X （IP66），結(jié)構(gòu)牢固，耐壓500psi，并能測量差壓到0.5英寸水柱。
Service: Compatible gases & liquids.
Wetted Materials: Brass, silicone, 300 SS.
Accuracy: Transmitter Output: ±2% FS (includes linearity, hysteresis and repeatability). Gage: ±3% FS at 70°F (21.1°C).
Stability: ±1% FS/yr.
Temperature Limits: 20 to 120°F. (-6.67 to 48.9°C).
Pressure Limits: -20" Hg to 500 psig (0.677 to 34.4 bar).
Thermal Effect: 0.025%/°F (0.045%/°C) includes zero & span.
Power Requirements: 10 to 35 VDC.
Output Signal: 4 to 20 mA.
Loop Resistance: 0 to 1250 Ω maximum.
Electrical Connections: M-12 circular 4 pin connector.
Process Connections: 1/4" female NPT high and low pressure taps, duplicated - one pair top for air and gas, and one pair bottom for liquids.
Enclosure Rating: Designed to meet NEMA 4X (IP66).
Mounting Orientation: Diaphragm in vertical position. Consult factory for other position orientations.
Weight: 8 lb 4 oz (3.74 kg).
Agency Approvals: CE.
| EXAMPLE | 631B | 1 | NIST | 631B-1-NIST, Wet/wet differential pressure transmitter, range 0-1” w.c., with NIST traceable calibration certificate |
| SERIES | 631B | Capsuhelic Wet/Wet Differential Pressure Transmitter | ||
| RANGE | 0 1 2 3 4 5 | 0 - 0.5” w.c. 0 - 1” w.c. 0 - 2” w.c. 0 - 5” w.c. 0 - 10” w.c. 0 - 25” w.c. | ||
| OPTIONS | AT BUNA G HC M NIST R ST SPCL VIT Y | Aluminum Tag Buna-N Diaphragm Green Scale Overlay Horizontal Calibration Mirror Scale Overlay NIST Traceable Calibration Certificate Red Scale Overlay Stainless Steel Tag Special Cleaning Fluoroelastomer Diaphragm Yellow Scale Overlay |
Dwyer 631B系列液用差壓變送器