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Temperature Sensors and Transmitters
Temperature Sensors and Transmitters

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ST-AV81H, ST-AV85H

Averaging RTD Sensors

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The continuous-resistance element 100 Ω and 1000 Ω Platinum Curve Averaging Sensors provide accurate sensing of duct temperatures when a large area must be covered. They average temperatures over their entire length and terminate in a weather resistant housing.The averaging sensors use elements that closely match platinum resistance/temperature characteristics over the specified range.The sensors have copper cases that are bendable to a radius of 4" (10.2 cm), and they can crisscross a duct or plenum to average out temperature stratification.


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Features
  • Continuous averaging
  • Flexible copper probe
  • 12', 24' or 50' lengths
  • Weather resistant box
  • 100 or 1,000 ohm 385 sensor
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Specifications

Accuracy: ±0.27°F (±0.15°C)

Sensor Type:

Type 81:100Ω ±0.25% @ 32°F (0°C)

Type 85 :1000Ω ±0.25% @ 32°F (0°C),

Temperature Range:-40° to 240°F (-40° to 115°C)

Sensitivity:

Type 81:0.217Ω/°F @ 32°F (0°C)

Type 85: 2.17Ω/°F @ 32°F (0°C),

Sensor Length:

 : 12 ft (3.7m)

 :50 ft (15.24m)

 :24 ft (7.3m)

Element Casing:Copper 0.19" dia (0.48 cm)

Enclosure: Weather resistant

Wiring Terminations:22 AWG, Teflon insulated

Warranty: 1 year

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Products

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QtyModelDescriptionIn StockList PriceInternet Price
ST-AV81H 24' 100 OHM AVERAGING SENSOR INFO229.60183.68
ST-AV81H-XZ 24' 100 OHM AVG SENS. W/3 WIRE INFO249.76199.81
ST-AV81H12 100 OHM PLATINUM 12' AVG SENS In Stock206.71165.37
ST-AV81H12-XZ 100 OHM PLAT. 12' AVG.W/3 WIRE INFO226.87181.50
ST-AV81H50 50' 100 OHM 385 AVERAGING RTD In Stock432.15345.72
ST-AV81H50-XZ 50' 100 OHM AVG RTD 3-WIRE INFO452.31361.85
ST-AV85H 24' 1K OHM 385 DUCT AVG.SENS. In Stock240.53192.42
ST-AV85H12 12' 1K OHM 385 DUCT AVG.SENS. In Stock230.31184.25
ST-AV85H50 50' 1K OHM 385 DUCT AVG.SENS. In Stock478.61382.89
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