ST-B* Series



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ST-B* Series

Precon Button Style Thermistor and RTD Sensors ST-B* Series

Precon Button Style Thermistor and RTD Sensors

 

The Precon ST-B* Series Button Style Flush-Mount Thermistor and RTD Sensors provide precision room temperature sensing for building automation systems. The active sensing element is made of a highly stable, precision thermistor material or platinum RTD. This design provides moisture/vapor resistance and is bonded to either brass, steel or aluminum button style housingeasily mountable into any wall. This sensor is intended for interior use only.


Products
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QtyModelDescriptionIn StockList PriceInternet Price
ST-B11KA WALL ALUM BUTTON SNSR 10K OHM 3 W/11K SHUNT THMSINFO186.00104.16
ST-B11KB WALL BRASS BUTTON SNSR 10K OHM 3 W/11K SHUNT THMSINFO252.00141.12
ST-B11KS WALL STEEL BUTTON 10K 3 W/11K SHUNT THMSINFO209.00117.04
ST-B21A WALL ALUM BUTTON SENSOR 2252 OHM TYPE 2 THERMISTORINFO182.00101.92
ST-B21B WALL BRASS BUTTON SENSOR 2252 OHM TYPE 2 THERMISTOINFO248.00138.88
ST-B21S WALL STEEL BUTTON SENSOR 2252 OHM THMSINFO205.00114.80
ST-B22A WALL ALUM BUTTON SENSOR 3000 OHM TYPE 2 THERMISTOINFO182.00101.92
ST-B22B WALL BRASS BUTTON SENSOR 3000 OHM TYPE 2 THERMISTINFO248.00138.88
ST-B22S WALL STEEL BUTTON SENSOR 3000 OHM TYPE 2 THERMISTINFO205.00114.80
ST-B24A WALL ALUM BUTTON SENSOR 10K TYPE 2 THERMISTORIn Stock182.00101.92
ST-B24B WALL BRASS BUTTON SENSOR 10K TYPE 2 THERMISTORIn Stock248.00138.88
ST-B24S WALL STEEL BUTTON SENSOR 10K TYPE 2 THERMISTORINFO205.00114.80
ST-B27A WALL ALUM BUTTON SENSOR 100K TYPE 3 THERMISTORINFO182.00101.92
ST-B27B WALL BRASS BUTTON SENSOR 100K TYPE 3 THERMISTORINFO248.00138.88
ST-B27S WALL STEEL BUTTON SENSOR 100K TYPE 3 THERMISTORINFO205.00114.80
ST-B3A WALL ALUM BUTTON SENSOR 10K OHM TYPE 3 THERMISTORIn Stock182.00101.92
ST-B3B WALL BRASS BUTTON SENSOR 10K OHM TYPE 3 THERMISTORIn Stock248.00138.88
ST-B3S WALL STEEL BUTTON SENSOR 10K OHM TYPE 3 THERMISTORIn Stock205.00114.80
ST-B42A WALL ALUM BUTTON SENSOR 20K TYPE 4 THERMISTORINFO182.00101.92
ST-B42B WALL BRASS BUTTON SENSOR 20K TYPE 4 THERMISTORINFO248.00138.88
ST-B42S WALL STEEL BUTTON SENSOR 20K TYPE 4 THERMISTORINFO205.00114.80
ST-B63A WALL ALUM BUTTON SENSOR 1000 OHM NICKEL RTDINFO215.00120.40
ST-B63B WALL BRASS BUTTON SENSOR 1000 OHM NICKEL RTDINFO286.00160.16
ST-B63S WALL STEEL BUTTON SENSOR 1000 OHM NICKEL RTDINFO239.00133.84
ST-B71A WALL ALUM BUTTON SENSOR 100 OHM ULTRA ACCURATE RTDINFO295.00165.20
ST-B71B WALL BRASS BUTTON SENSOR 100 OHM ULTRA ACCURATE RTINFO364.00203.84
ST-B71S WALL STEEL BUTTON SENSOR 100 OHM ULTRA ACCURATE RTINFO319.00178.64
ST-B81A WALL ALUM BUTTON SENSOR 100 OHM TYPE 81 RTDINFO200.00112.00
ST-B81B WALL BRASS BUTTON SENSOR 100 OHM TYPE 81 RTDINFO270.00151.20
ST-B81S WALL STEEL BUTTON SENSOR 100 OHM TYPE 81 RTDINFO224.00125.44
ST-B85A WALL ALUM BUTTON SENSOR 1000 OHM TYPE 85 RTDINFO200.00112.00
ST-B85B WALL BRASS BUTTON SENSOR 1000 OHM TYPE 85 RTDINFO270.00151.20
ST-B85S WALL STEEL BUTTON SENSOR 1000 OHM TYPE 85 RTDINFO224.00125.44
ST-B91A WALL ALUM BUTTON SENSOR 1000 OHM TYPE 91 RTDINFO200.00112.00
ST-B91B WALL BRASS BUTTON SENSOR 1000 OHM TYPE 91 RTDINFO270.00151.20
ST-B91S WALL STEEL BUTTON SENSOR 1000 OHM TYPE 91 RTDINFO224.00125.44

Accessories

No accessories found
Features
  • Lifetime warranty
  • ±0.36°F (±0.2°C) thermistor accuracy
  • ±0.27°F (±0.15°C) or ±0.54°F (±0.30°C) RTD accuracy
  • Ultra high accuracy available
  • Wide selection of thermistor and RTD curves
  • Optional brass, steel, aluminum metal button style housing
  • Small, nearly invisible footprint
Specifications

Accuracy:

Thermistor: ±0.36℉ (0.2℃)

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: 1000Ω Nickel

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: Max 0.04% after 1k hours @ 500 ℃

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

Enclosure Rating: NEMA 1, Brass, aluminum,304 Stainless steel housing

Mounting: Directly to the wall

Wiring Terminations: 8' (2.4m) of 24 AWG pigtails with prestripped ends, type 71 & 81 have 18" leads

Weight: 0.2 lb (0.1 Kg)

Approvals: CE

Warranty: Lifetime

Certifications






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