Electronic Indicating Temperature Transmitter, Switch

NOSHOK 850 Series Electronic Indicating Temperature Transmitter

NOSHOK 850 Series Electronic Indicating Temperature Transmitter

Applications: Mechanical engineering, Heating and cooling circuits, Air conditioning technology, Plant construction, Environmental technology

1　　DESCRIPTION
  • Utilizes PT1000 technology for continuous temperature monitoring, electronic temperature switching, and transmission of analog output while providing local digital indication
  • Allows for one or two switching outputs as well as optional current and voltage outputs
  • Three buttons on top allow simple adjustment of the temperature set points, reset points, switching functions and the measuring range of the optional analog output
  • 1/2” NPT Male standard connection
  • A variety of stem lengths are available for maximum versatility; also available with adjustable insertion lengths via the sliding compression fitting
  • Durable Stainless Steel housing and wetted parts
  • Display and electrical connection can be rotated independently
  • RoHS compliant
2　　SPECIFICATIONS
Temperature ranges Standard -4 °F to 176 °F (-20 °C to 80 °C)
Optional -4 °F to 248 °F ( -20 °C to 120 °C)
Selectable display for °F or °C
Temperature sensor Platinum resistor (PT1000 2-wire, DIN EN 60751 Class A)
Wetted materials 316Ti Stainless Steel
Housing materials 304 Stainless Steel
Max. operating pressure 2,000 psi (1/2" NPT Male fixed process connection);
725 psi (1/2" NPT Male sliding compression fitting process connection)
Power requirement* 15 Vdc to 35 Vdc
Power consumption ≤ 50 mA, without load
Signal output adjustment Zero point: 0-25% of span
Full scale: 75-100% of span
Switch points
    Number
    Function
   Adjustment		 Individually adjustable via external control keys
 1 or 2 (PNP)
 N.O. / N.C.; windows-and hysteresis function freely adjustable
 ≤ 0.5% of span
Switch rating Max. 250 mA
Electrical connection M12 x 1 (4-pin), M12 x 1 (5-pin)
Accuracy
    Analog signal
    Switching output
    Display
    Temperature sensor		  
≤ ±0.5% of span + temperature sensor error
≤ ±0.8% of span + temperature sensor error
≤ ±(0.8% of span + temperature sensor error) ±1 digit
For °F: ±[1.8*(0.15 + 0.002 (t - 32) / 1.8)]
For °C: ±(0.15 K + 0.002 I t I) per EN 60751
Display 14 segment-LED, red 4-digit, height 0.35”
Environmental protection IP65 and IP67 (IEC 60529)

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