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820/821 Series

NOSHOK 820/821 Series are an ideal replacement for bimetal, liquid bulb and glass thermometers in applications including pharmaceutical, food preparation, utilities and municipal, refineries, chemical and petrochemical plants, paper mills and hydraulics. Featuring a 4-digit LED display, they are field re-programmable with optional PC interface module and software, which includes a security feature to prevent accidental reprogramming. These indicators utilize a self-calibration feature for accurate and stable performance, and allow easy installation with various mounting configurations.


  • 4-digit LED display
  • Field re-programmable with optional PC interface module and software
  • Self-calibration feature for accurate and stable performance
  • Relay or transistor programmable switch output
  • IP 65 / NEMA 4 rated environmental protection
Unit of Measure



N/A 821 Series

Body Material

N/A 316 Stainless Steel


N/A 1/2" Male NPT

Operating Temperature

N/A -50 to 120 ºF

Max. Operating Pressure

N/A 500 psi

Stem Length

N/A 2.5 in

Stem Diameter

N/A 6 in

Electrical Connection

N/A Integral 36" cable

Power Requirement

N/A 9-36 Vdc, polarity protected

Power Consumption

N/A 15 mA

Output Signal

N/A 4 mA to 20 mA

Response Time

N/A 0.5 sec to 30 sec


N/A .22%


N/A -Bimetal, liquid bulb and glass thermometers
-Food preparation
-Utilities and municipal refineries
-Chemical and petrochemical plants
-Paper mills

Minimum Order

N/A 1

Quantity Increment

N/A 1



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1533 Gehman Road | Harleysville, PA 19438 | Phone: 267-933-6300 | Fax: 267-933-6305 | Toll Free: 800-645-6733 | Email: [email protected]
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