Dwyer 差压变送器 648B&648C系列

Service: Air And Non-Combustible, Compatible Gases. 

Wetted Materials: 302 SS, Glass, Nickel, Silicon Rubber, Polyethylene, Acrylic, ABS And Brass. 

Accuracy: 648B: ±0.8% FS* At Room Temperature; 648C: ±0.4% FS* At Room Temperature. 
*RSS (Root Sum Square) Includes Non-Linearity, Hysteresis And Non-Repeatability. 

Stability: ±1% FS/Yr. 

Temperature Limits: 
Operating: 0 To 170°F (-18 To 77°C); 
Storage: -65 To 185°F (-54 To 85°C). 

Pressure Limits: 15 Psi (100 KPa) Proof Pressure; 30 Psi (200 KPa) Burst Pressure. 

Thermal Effects: 648B: ±0.025% FS/°F (0.045%/°C);
648C: ±0.020% FS/°F (0.036%/°C). 

Power Requirements: 13 To 32 VDC. 

Output Signal: 4 To 20 MA. 

Zero And Span Adjustments: Pushbutton For Zero, Potentiometer For Span. 

Response Time: Approximately 10 Ms. 

Max. Loop Resistance: DC: 0 To 950 Ω. 

Electrical Connection: Detachable Euro-Style Terminal Block. 

Process Connections: 3/16" OD Barbed Fitting For 1/8" ID Push-On Tubing. 

Housing: SS And PC+ABS Alloy. 

Weight: 3.8 Oz (108 G).

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