ST-S21EW | Kele | Temperature Sensors & Transmitters
2252Ω Executive Thermistor Thermistor @ 77°F (25°C), Type II (Gray Leads), Executive White Enclosure With Narrow Back Plate
Brand:Kele
MPN:ST-S21EW
SKU:ST-S21EW
List Price:
$33.84
Today's Price:
$17.59
Log in for customized pricingproduct specifications
Accessory
T81U-XR, T85U-XR, T91U-XR, UR, DCP-1.5-W, DCPA-1.2
Enclosure Rating
NEMA 1
Application
Room Temperature, Classroom Temperature, Office Temperature, Washdown Environment
Housing Material
Poly
Housing Style
Executive
Probe Length
None
Sensor Element
2.2K 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: 2.252kO, 3kO, 10kO Type II, III & III w/11K shunt, 20kO, 100kO
RTD:
Type 63: 1000O Nickel
Type 71, 81: 100O Pt 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 1°C)
Enclosure Rating:
ST-S*E: NEMA 1, Beige plastic with tan metal face plate
ST-S*EW: Directly to wall or single gang box
Wiring Terminations: Terminals
Weight: 0.15 lbs (0.07 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 degrees C) or ±0.54 degrees F (±0.30 degrees C) RTD accuracy
- Ultra high accuracy optional
- Wide selection of thermistor or RTD curves
- Vented housing for quick temperature response
- Adaptable with many options
- Traditional beige or white covers
- Durable plastic housing and base plate
- Easy to mount to wall or electrical box
more information & related documents
Series Description
The Precon Model ST-S_E and ST-S_EW Executive Thermistor and RTD Sensor provides precise room temperature sensing for HVAC applications and Building Automation Systems, BAS. Available in beige or white, these sensors feature an active sensing element made of a highly stable, precision thermistor material or platinum RTD.
Kele Description
WALL EXEC WHITE ENC 2252 OHM THMS
Manufacturer
Kele
Related Documents
ST-SEW Datasheet 
