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Temperature Sensors and Transmitters
Temperature Sensors and Transmitters

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5, 77, 78 Universal Duct, Immersion, OSA

Kele Nickel-Iron / Balco Immersion, Duct & Outdoor RTD Sensors

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Wirewound Nickel-Iron Balco RTD Sensors are installed in rugged housings to measure the most important HVAC applications. The Duct and Immersion Sensors all have 304 stainless steel probes for use in almost any area. The Immersion Probe comes with a standard brass or optional stainless steel thermowell. The Duct Sensor has mounting tabs for direct mounting on a duct or installation in a handibox. The Outdoor Sensor, rated for outdoor temperatures, is equipped with a sun shield and weatherproof box for mounting under the eaves or another sheltered area. The Type 78 and 77 Raw Sensors are mounted in a 2" (5 cm) long aluminum case with teflon insulated lead wires. This sensor can be used for strap-on applications. The Type 5 raw sensor is mounted in a 2.5" (6.35 cm) PVC case. The Universal Sensor may be used for duct, immersion , and OSA temperature sensing.


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Specifications

Measurement Range:-30° to 240°F (34° to 115°C)

Sensor Type:

Type 5, 77:1000Ω ±0.12% @ 70°F (21°C)

Type 78: 2000Ω ±0.12% @ 70°F (21°C)

Sensitivity:

Type 5:2.2Ω/°F @ 70°F (21°C)

Type 77:2.48Ω/°F @ 70°F (21°C) two red wires

Type 78: 4.96Ω/°F @ 70°F (21°C) two gray wires

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QtyModelDescriptionIn StockList PriceInternet Price
ST-D5 DUCT SENSOR -1000 OHM BALCO INFO62.5650.05
ST-D5-XH 1K OHM DUCT SENSOR W/HANDIBOX INFO66.5353.22
ST-D5-XW DUCT SENS. 1K OHM WEATHERPROOF INFO83.0666.45
ST-D77 DUCT SENSOR-1000 OHM RTD INFO58.7246.98
ST-D77-XH DUCT SENS.1000 OHM W/ HANDIBOX INFO62.6950.15
ST-D77-XW DUCT-1K OHM RTD W/WEATHRPRF.BX INFO70.6356.50
ST-D78 DUCT SENSOR-2000 OHM RTD INFO73.6758.94
ST-D78-XH DUCT SENSOR 2K W/ HANDIBOX INFO77.6462.11
ST-R5 RAW SENSOR - 1000 OHM RTD INFO47.2837.82
ST-R77 RAW SENSOR 1000 OHM RTD INFO44.8835.90
ST-R78 RAW SENSOR INFO94.5075.60
ST-U5 1K OHM BALCO UNIVERSAL W/BOX INFO62.5650.05
ST-U5-NG 1K OHM BALCO UNIVERSAL W/BOX INFO62.5650.05
ST-U5-XL9 1K OHM BALCO UNIV.W/BOX 9in INFO62.5650.05
ST-U5B 1OHM BALCO UNIV.W/BOX,B.WELL INFO91.3373.06
ST-U5O 1OHM BALCO UNIV.SENSR W/OSAB INFO84.7867.82
ST-U5S 1OHM BALCO UNIV.W/BOX,SSWELL INFO141.20112.96
ST-W5 IMMERSION,1 OHM W/BRASS WELL INFO100.8380.66
ST-W5-XH IMMERSION W/ HANDIBOX & WELL INFO102.1081.68
ST-W5-XW IMMERSION,WP HOUSING,WELL INFO119.9895.98
ST-W5E 1000 OHM BALCO IMMERSION INFO75.4660.37
ST-W5E-XH IMMERSION SENSOR W/ HANDIBOX INFO79.4363.54
ST-W5E-XW IMMERSION, WEATHERPRF.HOUSING INFO95.9676.77
ST-W71E-XW HIGH ACCURACY IMMER. W/WPRFBOX INFO317.60254.08
ST-W77 IMMERSION,1 OHM RTD, WELL INFO76.3261.06
ST-W77-XH IMMERSION W/ HANDIBOX & WELL INFO80.2964.23
ST-W77-XWB IMMERS. WEL/PRB MOUNTED BAC INFO91.5673.25
ST-W77E IMMERSION SENSOR (NO WELL) INFO57.7146.17
ST-W77E-XH IMMERSION SENSOR W/ HANDI-BOX INFO61.6849.34
ST-W77E-XWB IMMER./PROBE MOUNTED OUT BACK INFO72.9558.36
ST-W77S IMMERSION,1 OHM,SS-WELL INFO95.3976.31
ST-W77S-XH IMMERSION W/SS-WELL,HANDI-BOX INFO99.3679.49
ST-W78 IMMERSION SENSOR 2000 OHM RTD INFO94.5875.66
ST-W78E WT SENSOR ELEMENT -2000 OHM INFO82.8166.25
ST-W78E-XH IMMERSION W/BR.WELL,HANDI-BOX INFO86.7869.42
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Catalog Page
KPM - KELE PRECISION MANUFACTURING5, 77, 78 Universal Duct, Immersion, OSA
Overall rating 
5 / 5
5 / 5
Open Ratings Snapshot
Rating breakdown 1 review
5 Stars
1
4 Stars
0
3 Stars
0
2 Stars
0
1 Star
0
Ease of Installation 
4 / 5
4 / 5
Quality / Performance 
5 / 5
5 / 5
Value 
5 / 5
5 / 5
1 out of 1(100%)customers recommend this product.
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1
1 Wirewound Nickel-Iron Balco RTD Sensors are installed in rugged housings to measure the most important HVAC applications. The Duct and Immersion Sensors all have 304 stainless steel probes for use in almost any area. The Immersion Probe comes with a standard brass or optional stainless steel thermowell. The Duct Sensor has mounting tabs for direct mounting on a duct or installation in a handibox. The Outdoor Sensor, rated for outdoor temperatures, is equipped with a sun shield and weatherproof box for mounting under the eaves or another sheltered area. The Type 78 and 77 Raw Sensors are mounted in a 2" (5 cm) long aluminum case with teflon insulated lead wires. This sensor can be used for strap-on applications. The Type 5 raw sensor is mounted in a 2.5" (6.35 cm) PVC case. The Universal Sensor may be used for duct, immersion , and OSA temperature sensing.
Overall rating 
5 / 5
5 / 5
Open Ratings Snapshot
Rating breakdown 1 review
5 Stars
1
4 Stars
0
3 Stars
0
2 Stars
0
1 Star
0
Ease of Installation 
4 / 5
4 / 5
Quality / Performance 
5 / 5
5 / 5
Value 
5 / 5
5 / 5
1 out of 1(100%)customers recommend this product.
Share this product
Facebook Twitter
Product ReviewsWrite a review
Overall rating 
5 / 5
5 / 5
Imersion Probe
PostedJuly 21, 2011
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Fuzz
 
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from Jonesboro, AR
Years of Experience:5-10
Job Function:Installation
Ease of Installation 
4 / 5
4 / 5
Quality / Performance 
5 / 5
5 / 5
Value 
5 / 5
5 / 5
I really like the imersion probe. Very reliable and easy to install. For more accurate readings I suggest getting some thermal transfer paste for the well.
My Favorite Feature Reliablility
Pros: Good value, Always in stock
Yes, I recommend this product.
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