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ST-R*, ST-R*R Series

Precon Encapsulated Thermistor and RTD Sensors ST-R*, ST-R*R Series

Precon Encapsulated Thermistor and RTD Sensors

 

The Precon ST-R, ST-R_R Series Encapsulated Sensors from PreCon provide precise remote temperature sensing for building automation systems and mechanical equipment room instrumentation. The active sensing element is a highly stable precision thermistor material or platinum RTD. The sensor is encapsulated with a low mass, high conductivity compound for good heat transfer characteristics. It is enclosed in a tough, miniature cylinder, 0.17" in (0.43 cm) diameter, which is small enough to be installed in most HVAC thermostat enclosures.


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QtyModelDescriptionIn StockList PriceInternet Price
298166-001 STRAP ON PIPE SENSOR W/24IN LEAD 10K TYPE 3In Stock23.0012.88
ST-R11K RAW SENSOR-THERMISTOR 10K TYPE 3 W/11K SHUNTIn Stock28.1015.74
ST-R11K-X100 RAW SENSOR 10K THMS 100 FT LEADS 10K 3 W/11K SHUNTINFO84.0047.04
ST-R11K-X25 RAW SENSOR 10K THMS 25 FT LEADS 10K 3 W/11K SHUNTINFO39.3022.01
ST-R11KR RAW RUGGED SENSOR-THERMIST 10K TYPE 3 W/11K SHUNTINFO29.2016.35
ST-R11KR-X25 RAW RUGGED SNSR/THERM 25FT LEAD 10K 3 W/11K SHUNTINFO41.6023.30
ST-R11KR1 RAW SENSOR 10K TYPE 3 W/11K SHUNT OHM RUGGED 1 FTINFO37.4020.94
ST-R21 RAW SENSOR 2252 OHMIn Stock19.1010.70
ST-R21R RAW RUGGED SENSOR 2252 OHM THMSINFO20.2011.31
ST-R21R-X25 RAW RUGGED SENSOR 2252 OHM RUGGED 25 FT LEADINFO31.5017.64
ST-R22 RAW - 3K OHM THERMISTORIn Stock19.1010.70
ST-R22-X25 RAW SENSOR 3K OHM 25 FT LEADINFO30.3016.97
ST-R22R RAW RUGGED SENSOR 3K OHM THMSIn Stock20.2011.31
ST-R22R-X25 RAW RUGGED SENSOR 3K OHM THMS 25 FTINFO31.5017.64
ST-R22R-XN RAW RUGGED SENSOR 3K OHM THMS CERT OF COMFINFO29.2016.35
ST-R24 RAW SENSOR 10K 2 OHM THMSIn Stock19.1010.70
ST-R24-X25 RAW SENSOR 10K TYPE 2 OHM 25 FT LEADIn Stock30.3016.97
ST-R24-XN2 RAW SENSOR 10K TYPE 2 OHM NIST 2 PTINFO69.0038.64
ST-R24-XP RAW SENSOR 10K TYPE 2 OHM MATCHED PAIRINFO27.0015.12
ST-R24R RAW RUGGED SENSOR 10K 2 OHM THMSIn Stock20.2011.31
ST-R24R-X25 RAW RUGGED SENSOR 10K 2 OHM THMS 25 FTIn Stock31.5017.64
ST-R24R-XN RAW RUGGED SENSOR 10K 2 OHM THMS CERT OF COMFINFO29.2016.35
ST-R24R-XN3 RAW RUGGED SENSOR 10K 2 OHM THMS NIST 3 PTINFO79.0044.24
ST-R24R-XP RAW RUGGED SENSOR 10K 2 OHM THMS MATCHED PAIRIn Stock28.5015.96
ST-R24X100RS400 RAW SENSOR 10K TYPE 2 OHM RUGGED 100 FT RS400INFO183.00102.48
ST-R24X50RS400 RAW 10K TYPE II 50 FT PLENUM WITH CONNECTORINFO106.0059.36
ST-R27 RAW SENSOR 100K OHMINFO19.1010.70
ST-R27R RAW RUGGED SENSOR 100K OHM THMSINFO20.2011.31
ST-R27R-X25 RAW RUGGED SENSOR 100K OHM THMS 25 FT LEADINFO31.5017.64
ST-R27S STRAP ON - 100K OHM THERMISTORIn Stock48.3027.05
ST-R3 RAW SENSOR 10K 3 THMSIn Stock19.1010.70
ST-R3-X100 RAW SENSOR 10K 3 THERM 100 FT LEADSINFO75.0042.00
ST-R3-X25 RAW SENSOR 10K 3 THMS 25 FT.LEADSIn Stock30.3016.97
ST-R3-XN1 RAW SENSOR 10K 3 THMS NIST 1 PTINFO61.0034.16
ST-R3-XN2 RAW SENSOR 10K 3 THMS NIST 2 PTINFO69.0038.64
ST-R3-XP RAW SENSOR 10K TYPE 3 OHM MATCHED PAIRINFO27.0015.12
ST-R3R RAW RUGGED SENSOR 10K 3 THMSIn Stock19.1010.70
ST-R3R-X25 RAW RUGGED SENSOR 10K 3 THMS 25 FTIn Stock31.5017.64
ST-R3R-XN RAW RUGGED SENSOR 10K 3 THMS CERT OF COMFINFO29.2016.35
ST-R3R-XN2 RAW RUGGED SENSOR 10K 3 THMS NIST 2 PTINFO70.0039.20
ST-R3R-XN3 RAW RUGGED SENSOR 10K 3 THMS NIST 3 PTINFO79.0044.24
ST-R3R-XP RAW RUGGED SENSOR 10K 3 THMS MATCHED PAIRIn Stock28.5015.96
ST-R3R-XPA RAW RUGGED SENSOR 10K 3 THMS ULTRA ACCINFO18.0010.08
ST-R3R1 RAW RUGGED SENSOR 10K 3 THMS 1 FTINFO22.5012.60
ST-R3R15.5-X25 RAW RUGGED SENSOR 10K 3 THMS 15.5 IN COAT 25 FTIn Stock33.7018.87
ST-R42 RAW SENSOR 20K OHMIn Stock19.1010.70
ST-R42-X25 RAW SENSOR 20K OHM 25 FTIn Stock30.3016.97
ST-R42R RAW RUGGED SENSOR 20K THMSIn Stock20.2011.31
ST-R42R-X25 RAW RUGGED SENSOR 20K THMS 25 FT LEADIn Stock31.5017.64
ST-R42R-XP RAW RUGGED SENSOR 20K THMS MATCHED PAIRINFO28.5015.96
ST-R63 RAW RTD SENSOR 1000 OHM NICKELINFO60.0033.60
ST-R63-X25 RAW SENSOR 1000 OHM NICKEL 25 FT LEADINFO70.0039.20
ST-R63R RUGGEDIZED RAW RTD SENSOR 1000 OHM NICKELINFO61.0034.16
ST-R63R-X25 RUGGEDIZED RAW RTD SENSOR 1000 OHM NICKEL 25 FT LEINFO71.0039.76
ST-R63R-XN2 RUGGEDIZED RAW RTD 1K OHM NICKEL NIST 2 PTINFO103.0057.68
ST-R71 RAW RTD SENSOR 100 OHM ULTRA ACCURATEINFO131.0073.36
ST-R71-X25 RAW SENSOR 100 OHM ULTRA ACC 25 FT LEADINFO136.0076.16
ST-R71-XN3 RAW SENSOR 100 OHM ULTRA ACC NIST 3 PTINFO161.0090.16
ST-R71R RUGGEDIZED RAW RTD 100 OHM ULTRA ACCURATEINFO131.0073.36
ST-R71R-X25 RUGGEDIZED RAW RTD 100 OHM ULTRA ACC 25 FT LEADINFO137.0076.72
ST-R81 RAW SENSOR 100 OHM RTDIn Stock49.3027.61
ST-R81-XP RAW SENSOR 100 OHM RTD MATCHED PAIRINFO61.0034.16
ST-R81-XZ RAW SENSOR 100 OHM RTD 3 WIREIn Stock64.6036.18
ST-R81R RAW RUGGED SENSOR 100 OHM RTDIn Stock51.7028.95
ST-R81R-X25 RAW RUGGED SENSOR 100 OHM RTD 25 FTINFO68.0038.08
ST-R81R-XN RAW RUGGED SENSOR 100 OHM RTD CERT OF COMFINFO64.0035.84
ST-R81R-XP RAW RUGGED SENSOR 100 OHM RTD MATCHED PAIRINFO63.0035.28
ST-R81R-XZ RAW RUGGED SENSOR 100 OHM RTD 3 WIREINFO68.0038.08
ST-R85 RAW SENSOR 1000 OHM 385 RTDIn Stock49.3027.61
ST-R85-X25 RAW SENSOR 1000 OHM 385 RTD 25 FT LEADINFO66.2037.07
ST-R85-XN2 RAW SENSOR 1000 OHM 385 RTD NIST 2 PTINFO121.0067.76
ST-R85-XP RAW SENSOR 1000 OHM 385 RTD MATCHED PAIRINFO110.0061.60
ST-R85R RAW RUGGED SENSOR 1K OHM 385 RTDIn Stock51.7028.95
ST-R85R-X25 RAW RUGGED SENSOR 1K OHM 385 RTD 25 FTIn Stock68.0038.08
ST-R85R-XN3 RAW RUGGED SENSOR 1K OHM 385 RTD NIST 3 PTINFO135.0075.60
ST-R85R-XP RAW RUGGED SENSOR 1K OHM 385 RTD MATCHED PAIRINFO63.0035.28
ST-R85SC-XC50 BULLET TEMP SENSOR 50FT CABLEINFO141.0078.96
ST-R91 RAW SENSOR 1K OHM 375 RTDIn Stock49.3027.61
ST-R91-XP RAW SENSOR 1000 OHM 375 RTD MATCHED PAIRINFO61.0034.16
ST-R91R RAW RUGGED SENSOR 1K OHM 375 RTDIn Stock51.7028.95
ST-R91R-X25 RAW RUGGED SENSOR 1K OHM 375 RTD 25 FTINFO68.0038.08
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Accessories

No accessories found
Features
  • Lifetime warranty
  • Wide selection of thermistor and RTD curves
  • Adaptable miniature sensor
  • High heat dissipation constant
  • Easy to mount with clips
  • Pre-aged, highly stable thermistor material
Specifications

Accuracy:

Thermistor: ±0.36℉ (0.28℃)

RTD:

Type 63: ±0.72℉ (0.40℃)

Type 71: +/-0.0774°F (0.043°C)

Type 81, 85: ±0.27℉ (0.15℃)

Type 91: ±0.54℉ (0.30℃)

Sensor Type:

Thermistor: 2.252 kΩ, 3 kΩ, 10 kΩ Type II, III & III w/11K shunt, 20 kΩ, 100 kΩ

RTD:

Type 63:

Type 71, 81: 100Ω Pt 385 Curve

Type 85: 1000Ω Pt 385 Curve

Type 91: 1000Ω Pt 375 Curve

Temperature Range:

Thermistor/RTD: -40° to 221℉ (-40° to 105℃)

Temperature Coefficient:

Thermistor: Negative temperature coefficient

RTD: Positive temperature coefficient

Temperature Stability:

Thermistor: 0.24℉ (0.13℃) over five years

RTD: 100% (no drift platinum)

Heat Dissipation: 2.7 mW/℃ (power needed to raise the temperature 1℃)

Mounting: Directly to wall or customer supplied enclosure using customer-supplied clips

Wiring Terminations: 8', 24 AWG wire leads, type 71 & 81 sensors have 18" leads

Weight:

ST-R*: 0.01 lb (0.005 Kg)

ST-R*R: 0.05 lb (0.02 Kg)

Approvals: CE

Warranty: Lifetime

Certifications




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