
KTD21-XW | Kele | Temperature Sensors & Transmitters
Duct Temperature Sensor, 2.252K All-purpose thermistor, Weather Resistant Housing, 9" Probe
Brand:Kele
MPN:KTD21-XW
SKU:KTD21-XW
List Price:
$69.69
Today's Price:
$36.24
Log in for customized pricingproduct specifications
Accessory
T81U-XR,T85U-XR,UR,F-100-331
Application
Duct Temperature,Air Handling Unit
Enclosure Rating
NEMA 3R
Housing
Weather Proof
Housing Material
Metallic
Output Signal
Resistance
Probe Length
4.875 in
Sensor Element
2250 Ohm Thermistor
Type
Thermistor
product series specifications
Accuracy:
Thermistor: ±0°F (0.28°0.5C)
RTD: ±0.60°F (0.33°C)
Temperature Stability:
Thermistor: 0.24°F (0.13°C) over five years
RTD: Max 0.04% after 1k hours @ 500 °F
Heat Dissipation: 2.7 mW/°C (power needed to raise the temperature 1°C)
Sensor Type:
Thermistor: 2.252 kΩ, 3 kΩ, 10 kΩ, Type II, III & III w/11K shunt, 20 kΩ, 100 kΩ
RTD:
Type 71, 81: 100Ω Pt 385 Curve
Type 85: 1000Ω Pt 385 Curve
Type 91: 1000Ω Pt 375 Curve
Temperature Coefficient:
Thermistor: Negative temperature coefficient
RTD: Positive temperature coefficient
Temperature Range:
Thermistor/RTD: -40° to 221°F (-40° to 105°C)
Enclosure Rating: Depends on model
Mounting: Directly to duct, wall or single gang box
Wiring Terminations: 8' (2.4m), 24 AWG gray wire leads, type 71 & 81 sensors have 18" (0.45m) leads
Probe: Seamless 304 stainless steel tube, 1/4" OD
Weight:
KTD: 0.72 lb (0.33 Kg)
KTDNB: 0.2 lb (0.09 Kg)
Approvals: CE
Warranty: 3 years
product series features
- Economical
- Metal enclosures with stainless steel probes
- Three-year warranty
- Thermistor or RTD sensor selections
more information & related documents
Series Description
The Kele KTD* Duct Thermistor and RTD Sensors are designed to be cost effective with accuracies of ±0.5 degrees F (±0.28 degrees C). Each uses metal enclosures and is constructed for easy installation with any building automation system (BAS). The thermistor is made of a very stable, pre-aged material that offers long-life reliability for HVAC control. The platinum RTD comes in 100 Ohm and 1000 Ohm versions. All sensors come with a three-year warranty.
Kele Description
TEMP SENSOR, DUCT, 2.252K, 4.875", METALLIC ENCL, NO OUTPUT
Manufacturer
Kele
