ST-B42B | Kele | Temperature Sensors & Transmitters
20,000Ω Button Style Thermistor @ 77°F (25°C), Type IV (Gray Leads), Brass Housing
Brand:Kele
MPN:ST-B42B
SKU:ST-B42B
product specifications
Accessory
T81U-XR, T85U-XR, T91U-XR, UR, DCP-1.5-W, DCPA-1.2, TB-A, TS-B, TB-S
Enclosure Rating
NEMA 1
Feature
Brass Housing
Application
Room Temperature, Classroom Temperature, Office Temperature, Washdown Environment, Duct Temperature, Immersion Temperature, Outside Air Temperature, OSA
Housing Style
Button
Lead Length
8 ft
Probe Length
None
Sensor Element
20K Thermistor
Setpoint
No
Type
Thermistor
Display
No
Output Signal
Resistance
product series specifications
Accuracy:
Thermistor: ±0.36°F (0.2°C)
RTD:
Type 63: ±0.72°F (0.40°C)
Type 71: +/-0.0774°F (0.043°C)
Type 81, 85: ±0.27°F (0.15°C)
Type 91: ±0.54°F (0.30°C)
Sensor Type:
Thermistor: 2.252 kO, 3 kO, 10 kO Type II, III & III w/11K shunt, 20 kO, 100 k‚O
RTD:
Type 63: 1000O Nickel
Type 71, 81: 100OPt 385 Curve
Type 85: 1000O Pt 385 Curve
Type 91: 1000O Pt 375 Curve
Temperature Range:
Thermistor/RTD: -40° to 221°F (-40° to 105°C)
Temperature Coefficient:
Thermistor: Negative temperature coefficient
RTD: Positive temperature coefficient
Temperature Stability:
Thermistor: 0.24°F (0.13°C) over five years
RTD: Max 0.04% after 1k hours @ 500 °C
Heat Dissipation: 2.7 mW/°C (power needed to raise the temperature by 1°C)
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
product series features
- Lifetime warranty
- ±0.36 degrees F (±0.2 degrees C) thermistor accuracy
- ±0.27 degrees F (±0.15 degreesC) or ±0.54 degreesF (±0.30 degreesC) 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
more information & related documents
Series Description
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.
Kele Description
WALL BRASS BUTTON SENSOR 20K TYPE 4 THERMISTOR
Manufacturer
Kele
