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Temperature Sensors and Transmitters
Temperature Sensors and Transmitters

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ST-AV81R, ST-AV85R, ST-AV91R

Platinum Curve Rigid Averaging Sensors

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Continuous-resistance element Platinum Curve Rigid Averaging Sensors provide accurate sensing of duct temperatures when a small, inaccessible area must be covered. They average temperatures over their entire length and terminate in a weather-resistant housing. They are available in 12", 18", 24", and 36" (30.5, 45.7, 61, and 91.4 cm) lengths. The sensor uses an element that closely matches platinum resistance/temperature characteristics over the specified range. It is available in 100Ω and 1000Ω, 385 curve and 1000Ω 375 curve. The sensors have a brass case that is rigid for easy single- point mounting.


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Features
  • Continuous averaging
  • Rigid sensor
  • 12", 18", 24", 36" (30.5, 45.7, 61, and 91.4 cm) lengths
  • 100Ω and 1000Ω 385 curve
  • 1000Ω 375 curve
  • Weather-resistant box
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Specifications

Accuracy: ±0.27°F (±0.15°C)

Sensor Type:

Type 81:100Ω Pt 385 Curve

Type 85:1000Ω Pt 385 Curve

Type 91:1000Ω Pt 375 Curve

Temperature Range:-50° to 275°F (-45° to 135°C)

Sensor Length :12" (30 cm), 18" (45 cm), 24" (61 cm), 36" (91 cm)

Sensitivity:

Type 81:0.21Ω/°F @ 32°F (0°C)

Type 85, 91:2.1Ω/°F @ 32°F (0°C)

Materials Of Construction:

Element Casing:0.188″ (4.8 mm) Brass

Enclosure:Metal, weather-resistant

Dimensions:Element diameter 0.188" (4.8 mm)

Wiring Terminations:22 AWG Teflon insulated, white/black

Warranty:1 year

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QtyModelDescriptionIn StockList PriceInternet Price
ST-AV81R-12 12in AVG. RTD 100 OHM 385 CURVE INFO143.75115.00
ST-AV81R-18 18in AVG. RTD 100 OHM 385 CURVE INFO147.03117.62
ST-AV81R-18-XZ 18in RIGID CONTINUOUS AVG. ELEMENT W/ XZ-WIRE INFO167.19133.75
ST-AV81R-24 24in AVG. RTD 100 OHM 385 CURVE INFO150.28120.22
ST-AV81R-36 36in AVG. RTD 100 OHM 385 CURVE INFO165.45132.36
ST-AV85R-12 12in AVG. RTD 1000 OHM 385 CURV In Stock167.51134.01
ST-AV85R-18 18in AVG. RTD 1000 OHM 385 CURV In Stock170.79136.63
ST-AV85R-24 24in AVG. RTD 1000 OHM 385 CURV INFO174.04139.23
ST-AV85R-36 36in AVG. RTD 1000 OHM 385 CURV INFO180.58144.46
ST-AV91R-12 12in AVG. RTD 1000 OHM 375 CURVE INFO174.04139.23
ST-AV91R-18 18in AVG. RTD 1000 OHM 375 CURVE INFO177.33141.86
ST-AV91R-24 24in AVG. RTD 1000 OHM 375 CURVE INFO180.58144.46
ST-AV91R-36 36in AVG. RTD 1000 OHM CURVE In Stock187.11149.69
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