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  • Large 4-digit LED display
  • Field re-programmable with optional PC interface module and software
  • Software includes a security feature to prevent accidental re-programming
  • 4 mA to 20 mA programmable linearized signal output
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820 Series Digital Temperature Indicators

Bottom Connection, ≤ 0.22% Full Scale Accuracy, 4 to 20 mA, Downscale Burnout, 1/2" National Pipe Thread (NPT) Sliding Compression, M 12 x 1 (5 pin) Connection, 8" Stem, 6" Immersion, 6 mm Diameter Digital Temperature Indicator
820 Series Digital Temperature Indicators

Bottom Connection, ≤ 0.22% Full Scale Accuracy (Best Fit Straight Line (BFSL)), 4 to 20 mA, Upscale Burnout, 1/2" National Pipe Thread (NPT), M12 x 1 Connection, 2.5" Stem, 1/4" Diameter Digital Temperature Indicator
Description N/A
  • Large 4-digit LED display
  • Field re-programmable with optional PC interface module and software
  • Software includes a security feature to prevent accidental re-programming
  • 4 mA to 20 mA programmable linearized signal output
Type N/A Temperature Indicator
Connection Type N/A Male National Pipe Thread (MNPT) with sliding compression fitting (Add 2" to stem length for this option) N/A Male National Pipe Thread (MNPT)
Probe Material N/A 316 Stainless Steel in
Display N/A 4-digit LED, decimal point selectable by software
Temperature Ranges [Min] N/A 32 ºF N/A 50 ºF
Temperature Ranges [Max] N/A 300 ºF N/A 200 ºF
Housing Material N/A 316 Stainless Steel
Connection Size N/A 1/2 in
Output Signal N/A 4 mA to 20 mA
Response Time N/A 0.5 to 30 ms
Electrical Connection N/A M12 x 1 (5-pin)
Power Supply N/A 9-36 Vdc, polarity protected
Accuracy1 N/A ≤0.22% full scale
Temperature Indicator N/A Resistance Temperature Device (RTD) (PT100 DIN EN 60751, Class A)
Series N/A 820 Bottom connection
Burnouts N/A Downscale N/A Upscale
Pressure (On Probe) [Max] N/A 500 psi
Supply Effect N/A 0.005%/V
Power Consumption N/A 15 mA at 24 Vdc + output current - 950 mW max.
20 mA at 24 Vdc for PNP output - 500 mW max.
20 mA at 24 Vdc + sourcing current for NPN output
50 mA at 24 Vdc for relay output - 1,200 mW max.
Current Output N/A 4 mA to 20 mA (3-wire configuration) linear to temperature
Load on Current Output [Max] N/A (Vsupply-9V ) / 20 mA, Ω
Optional Switching Output N/A Transistor Negative Positive Negative (NPN) (max 100 mA source ) or
Transistor Positive Negative Positive (PNP) (max 100 mA sink) or
Relay Single Pole Double Throw (SPDT) 0.5A at 240 Vac
Optional Switching Logic N/A N.C. or N.O. software selectable
Optional Switching Ranges N/A Customer programmable between -325 ºF to 1,100 ºF (-200 ºC to 600 ºC)
Isolation N/A 500 Vdc input /output (between probe and output signal)
Hysteresis N/A 1% of range standard; customer programmable optional
Open Circuit Detection N/A Upscale (22 mA) or downscale (2.5 mA) current output.
Error message on LED display
Warm Up N/A 30 s
Radio Frequency Interference (RFI) Effect N/A 1% or less typical
Effect N/A <0.01% FS/ ºC
Ambient Temperature Range N/A -40 to 176 ºF-40 to 80 ºC
Storage Temperature N/A -58 to 185 ºF-50 to 85 ºC
Warranty N/A 3 y
Display Resolution N/A ±0.02% F.S. ±1 digit
Stem Diameters N/A 6 mm N/A 1/4 in
Stem Lengths N/A 8 in N/A 2.5 in
Application N/A
  • Replacement for bimetal, liquid bulb and glass thermometers
  • Pharmaceutical
  • Food preparation
  • Utilities and municipal refineries
  • Chemical and petrochemical plants
  • Paper mills
  • Hydraulics
Prop 65 Warnings N/A
WARNING: This product can expose you to chemicals including Lead and Nickel, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov
Limitations Which Apply Are N/A These units must be operated within the catalogued environmental and application parameters. Determination of failure will be made by NOSHOK, Inc.'s equipment and personnel or a certified test facility specializing in this type of evaluation.

In keeping with and for purposes of product and/or manufacturing process improvements, NOSHOK, Inc. reserves the right to make design changes without prior notice.
Additional Information N/A
  • Utilizes self-calibration feature for accurate and stable performance
  • Optional fully programmable switch output, relay or transistor
  • Utilizes PT100 Ω RTD Class A element for temperature sensing
  • M12 x 1 (5-pin) plug or 36" integral cable electrical connection
  • IP 65 / NEMA 4 rated environmental protection
  • All 316 Stainless Steel construction
  • Easy installation with various mounting configurations
Thermowells N/A Thermowells allow a temperature instrument to be removed and replaced without shutting down and draining the process, and reduce the possibility of damage to the temperature instrument.
Related Items N/A N/A , 1/2" National Pipe Thread (NPT) Straight Shank, 2-1/2" Length, 1/2" National Pipe Straight Mechanical (NPSM) Instrument Connection, 304 Stainless Steel Thermowell
, 1/2" National Pipe Thread (NPT) Straight Shank, 2-1/2" Length, 1/2" National Pipe Straight Mechanical (NPSM) Instrument Connection, 316 Stainless Steel Thermowell
, 3/4" National Pipe Thread (NPT) Straight Shank, 2-1/2" Length, 1/2" National Pipe Straight Mechanical (NPSM) Instrument Connection, 304 Stainless Steel Thermowell
, 3/4" National Pipe Thread (NPT) Straight Shank, 2-1/2" Length, 1/2" National Pipe Straight Mechanical (NPSM) Instrument Connection, 316 Stainless Steel Thermowell
Note N/A Thermowells are recommended for pressure, corrosive fluids and high velocity applications.
  • 1 Max. error on complete span. Error at calibration point ≤0.1 ºC

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