Long brass immersion temperature probe with threaded head and attached two-conductor gray wire

KTWNB85 | Kele | Temperature Sensors & Transmitters

Well Immersion Temperature Sensor With No Box, 1K RTD 375, 4.875” Probe

Brand:Kele

MPN:KTWNB85

SKU:KTWNB85

List Price:

$72.00

Today's Price:

$37.44

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product specifications

Type

RTD

Probe Length

4.875 in

Sensor Element

1K Platinum RTD 375

Accessory

T81U-XR,T91U-XR,TCC-111,TCC-12,UR,WEK-B,WEL-S

Application

Hydronic HVAC

Output Signal

Resistance

product series specifications

Accuracy:

Thermistor: ±0.50°F

RTD: ±0.60°F

Sensor Type:

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

RTD:

Type 81: 100Ω Pt 385 Curve

Type 85: 1000Ω Pt 385 Curve

Type 91: 1000Ω Pt 375 Curve

Temperature RangeThermistor/RTD: -40° to 221°F

Temperature Stability:

Thermistor: 0.24°F 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)

Temperature Coefficient: Thermistor: Negative temperature coefficient; RTD: Positive temperature coefficient

Enclosure Rating: depends on model

Mounting: 1/2" conduit fitting directly to duct or wall

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

Probe: Seamless 304 stainless steel tube, 1/4" OD

Weight:

KTWNB: 0.65 lb (0.30 Kg) standard w/o options

KTW: 1.1 lb (0.5 Kg) w/o options

Approvals: CE

Warranty: 3 years

product series features

Economical
Metal enclosures with stainless steel probes
Three-year warranty
±0.5 degrees F (±0.28 degrees C) accuracy
Wide selection of thermistor or RTD sensors

more information & related documents

Series Description

The Kele KTW* Immersion Thermistor and RTD Sensors are designed to be cost-effective with accuracies of ±0.5 degrees F (±0.28 degrees C). Each sensor is constructed for easy installation with any building automation system (BAS). The thermistor is made of a very stable, pre-aged material that offer 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, IMMERS, 1K RTD 375, 4.875" PROBE, NO ENCL

Manufacturer

Kele