Collection: By Manufacturer: Greystone Energy
Greystone Energy Systems, a Bemsiq Group company with 40+ years of experience, is a leading manufacturer of HVAC sensors. Following its 2021 acquisition, it expanded in 2024 by adding QEL and Armstrong Monitoring to strengthen its gas detection portfolio for building automation. Shop all of the items that we offer from Greystone here. We will be adding more to our catalog in 2026!
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Greystone TE200BB14B2 Temp Sensor, Type 14, Duct 100mm (4") with mounting bracket and 3m (10') FT6 plenum cable
Regular price $33.31 USDRegular priceSale price $33.31 USD -
Greystone TE200BB13F2 Temp Sensor, Type 13, Duct 450mm (18") with mounting bracket and 3m (10') FT6 plenum cable
Regular price $47.99 USDRegular priceSale price $47.99 USD -
Greystone TE200BB13E2 Temp Sensor, Type 13, Duct 300mm (12") with mounting bracket and 3m (10') FT6 plenum cable
Regular price $47.99 USDRegular priceSale price $47.99 USD -
Greystone TE200BB13D2 Temp Sensor, Type 13, Duct 200mm (8") with mounting bracket and 3m (10') FT6 plenum cable
Regular price $44.29 USDRegular priceSale price $44.29 USD -
Greystone TE200BB13C2 Temp Sensor, Type 13, Duct 150mm (6") with mounting bracket and 3m (10') FT6 plenum cable
Regular price $44.29 USDRegular priceSale price $44.29 USD -
Greystone TE200BB13B2 Temp Sensor, Type 13, Duct 100mm (4") with mounting bracket and 3m (10') FT6 plenum cable
Regular price $44.29 USDRegular priceSale price $44.29 USD -
Greystone TE200BB12F2 Temp Sensor, Type 12, Duct 450mm (18") with mounting bracket and 3m (10') FT6 plenum cable
Regular price $35.20 USDRegular priceSale price $35.20 USD -
Greystone TE200BB12E2 Temp Sensor, Type 12, Duct 300mm (12") with mounting bracket and 3m (10') FT6 plenum cable
Regular price $35.20 USDRegular priceSale price $35.20 USD -
Greystone TE200BB12D2 Temp Sensor, Type 12, Duct 200mm (8") with mounting bracket and 3m (10') FT6 plenum cable
Regular price $31.67 USDRegular priceSale price $31.67 USD -
Greystone TE200BB12C2 Temp Sensor, Type 12, Duct 150mm (6") with mounting bracket and 3m (10') FT6 plenum cable
Regular price $31.67 USDRegular priceSale price $31.67 USD -
Greystone TE200BB12B2 Temp Sensor, Type 12, Duct 100mm (4") with mounting bracket and 3m (10') FT6 plenum cable
Regular price $31.67 USDRegular priceSale price $31.67 USD -
Greystone TE500AD121E2 Designer Room transmitter, c/w 24 Vac/dc supply, 0-10VDC output and 0-50C(32-122F) range.
Regular price $85.45 USDRegular priceSale price $85.45 USD -
Greystone TE500AD121E1 Designer Room transmitter, c/w 24 Vac/dc supply, 0-10VDC output and 0-35C(32-95F) range.
Regular price $85.45 USDRegular priceSale price $85.45 USD -
Greystone TE500AD121D2 Designer Room transmitter, c/w 24 Vac/dc supply, 0-5VDC output and 0-50C(32-122F) range.
Regular price $85.45 USDRegular priceSale price $85.45 USD -
Greystone TE500AD121D1 Designer Room transmitter, c/w 24 Vac/dc supply, 0-5VDC output and 0-35C(32-95F) range.
Regular price $85.45 USDRegular priceSale price $85.45 USD -
Greystone TE500AD121A2 Designer Room transmitter, c/w 24 Vac/dc supply, 4-20mA output and 0-50C(32-122F) range.
Regular price $85.45 USDRegular priceSale price $85.45 USD -
Greystone TE500AD121A1 Designer Room transmitter, c/w 24 Vac/dc supply, 4-20mA output and 0-35C(32-95F) range.
Regular price $85.45 USDRegular priceSale price $85.45 USD -
Greystone TE500AS121E2TP Stainless plate/surface transmitter, c/w 24 Vac/dc supply, tamperproof screws, 0-10VDC output and 0-50C(32-122F) range.
Regular price $96.27 USDRegular priceSale price $96.27 USD -
Greystone TE500AS121E2 Stainless plate/surface transmitter, c/w 24 Vac/dc supply, 0-10VDC output and 0-50C(32-122F) range.
Regular price $91.05 USDRegular priceSale price $91.05 USD -
Greystone TE500AS121E1TP Stainless plate/surface transmitter, c/w 24 Vac/dc supply, tamperproof screws, 0-10VDC output and 0-35C(32-95F) range.
Regular price $96.27 USDRegular priceSale price $96.27 USD -
Greystone TE500AS121E1 Stainless plate/surface transmitter, c/w 24 Vac/dc supply, 0-10VDC output and 0-35C(32-95F) range.
Regular price $91.05 USDRegular priceSale price $91.05 USD -
Greystone TE500AS121D2TP Stainless plate/surface transmitter, c/w 24 Vac/dc supply, tamperproof screws, 0-5VDC output and 0-50C(32-122F) range.
Regular price $96.27 USDRegular priceSale price $96.27 USD -
Greystone TE500AS121D2 Stainless plate/surface transmitter, c/w 24 Vac/dc supply, 0-5VDC output and 0-50C(32-122F) range.
Regular price $91.05 USDRegular priceSale price $91.05 USD -
Greystone TE500AS121D1TP Stainless plate/surface transmitter, c/w 24 Vac/dc supply, tamperproof screws, 0-5VDC output and 0-35C(32-95F) range.
Regular price $96.27 USDRegular priceSale price $96.27 USD -
Greystone TE500AS121D1 Stainless plate/surface transmitter, c/w 24 Vac/dc supply, 0-5VDC output and 0-35C(32-95F) range.
Regular price $91.05 USDRegular priceSale price $91.05 USD -
Greystone TE500AS121A2TP Stainless plate/surface transmitter, c/w 24 Vac/dc supply, tamperproof screws, 4-20mA output and 0-50C(32-122F) range.
Regular price $96.27 USDRegular priceSale price $96.27 USD -
Greystone TE500AS121A2 Stainless plate/surface transmitter, c/w 24 Vac/dc supply, 4-20mA output and 0-50C(32-122F) range.
Regular price $91.05 USDRegular priceSale price $91.05 USD -
Greystone TE500AS121A1TP Stainless plate/surface transmitter, c/w 24 Vac/dc supply, tamperproof screws, 4-20mA output and 0-35C(32-95F) range.
Regular price $96.27 USDRegular priceSale price $96.27 USD -
Greystone TE500AS121A1 Stainless plate/surface transmitter, c/w 24 Vac/dc supply, 4-20mA output and 0-35C(32-95F) range.
Regular price $91.05 USDRegular priceSale price $91.05 USD -
Greystone TE500H28F21E9H Stack transmitter 450mm (18"), c/w Stack assembly, 24 Vac/dc supply, Weatherproof enclosure, 0-10VDC output and 0-600C range.
Regular price $467.43 USDRegular priceSale price $467.43 USD -
Greystone TE500H28F21E7N Stack transmitter 450mm (18"), c/w Stack assembly, 24 Vac/dc supply, Weatherproof enclosure, 0-10VDC output and 0-1000C range.
Regular price $467.43 USDRegular priceSale price $467.43 USD -
Greystone TE500H28F21D7N Stack transmitter 450mm (18"), c/w Stack assembly, 24 Vac/dc supply, Weatherproof enclosure, 0-5VDC output and 0-1000C range.
Regular price $467.43 USDRegular priceSale price $467.43 USD -
Greystone TE500H28F21A9H Stack transmitter 450mm (18"), c/w Stack assembly, 24 Vac/dc supply, Weatherproof enclosure, 4-20mA output and 0-600C range.
Regular price $467.43 USDRegular priceSale price $467.43 USD -
Greystone TE500H28E21E9H Stack transmitter 300mm (12"), c/w Stack assembly, 24 Vac/dc supply, Weatherproof enclosure, 0-10VDC output and 0-600C range.
Regular price $467.43 USDRegular priceSale price $467.43 USD -
Greystone TE500H28E21D9H Stack transmitter 300mm (12"), c/w Stack assembly, 24 Vac/dc supply, Weatherproof enclosure, 0-5VDC output and 0-600C range.
Regular price $467.43 USDRegular priceSale price $467.43 USD -
Greystone TE500H28E21A9H Stack transmitter 300mm (12"), c/w Stack assembly, 24 Vac/dc supply, Weatherproof enclosure, 4-20mA output and 0-600C range.
Regular price $467.43 USDRegular priceSale price $467.43 USD -
Greystone TE500H28D21E9H Stack transmitter 200mm (8"), c/w Stack assembly, 24 Vac/dc supply, Weatherproof enclosure, 0-10VDC output and 0-600C range.
Regular price $467.43 USDRegular priceSale price $467.43 USD -
Greystone TE500H28D21E7N Stack transmitter 200mm (8"), c/w Stack assembly, 24 Vac/dc supply, Weatherproof enclosure, 0-10VDC output and 0-1000C range.
Regular price $467.43 USDRegular priceSale price $467.43 USD -
Greystone TE500H28D21D9H Stack transmitter 200mm (8"), c/w Stack assembly, 24 Vac/dc supply, Weatherproof enclosure, 0-5VDC output and 0-600C range.
Regular price $467.43 USDRegular priceSale price $467.43 USD -
Greystone TE500H28D21A9H Stack transmitter 200mm (8"), c/w Stack assembly, 24 Vac/dc supply, Weatherproof enclosure, 4-20mA output and 0-600C range.
Regular price $467.43 USDRegular priceSale price $467.43 USD -
Greystone TE500H28D21A7N Stack transmitter 200mm (8"), c/w Stack assembly, 24 Vac/dc supply, Weatherproof enclosure, 4-20mA output and 0-1000C range.
Regular price $467.43 USDRegular priceSale price $467.43 USD -
Greystone TSAPA24E Temp Sensor Duct / Immersion 300mm (12") with small hinged ABS enclosure & 10K ohm type 2 thermistor (replaces TE200B24E2)
Regular price $29.64 USDRegular priceSale price $29.64 USD -
Greystone TSAPA24D Temp Sensor Duct / Immersion 200mm (8") with small hinged ABS enclosure & 10K ohm type 2 thermistor (replaces TE200B24D2)
Regular price $25.95 USDRegular priceSale price $25.95 USD -
Greystone TSAPA24C Temp Sensor Duct / Immersion 150mm (6") with small hinged ABS enclosure & 10K ohm type 2 thermistor (replaces TE200B24C2)
Regular price $25.95 USDRegular priceSale price $25.95 USD -
Greystone TSAPA24B Temp Sensor Duct / Immersion 100mm (4") with small hinged ABS enclosure & 10K ohm type 2 thermistor (replaces TE200B24B2)
Regular price $25.95 USDRegular priceSale price $25.95 USD -
Greystone TSAPA20F Temp Sensor Duct / Immersion 450mm (18") with small hinged ABS enclosure & 20,000 ohm thermistor (replaces TE200B20F2)
Regular price $29.64 USDRegular priceSale price $29.64 USD -
Greystone TSAPA20E Temp Sensor Duct / Immersion 300mm (12") with small hinged ABS enclosure & 20,000 ohm thermistor (replaces TE200B20E2)
Regular price $29.64 USDRegular priceSale price $29.64 USD -
Greystone TSAPA20D Temp Sensor Duct / Immersion 200mm (8") with small hinged ABS enclosure & 20,000 ohm thermistor (replaces TE200B20D2)
Regular price $25.95 USDRegular priceSale price $25.95 USD -
Greystone TSAPA20C Temp Sensor Duct / Immersion 150mm (6") with small hinged ABS enclosure & 20,000 ohm thermistor (replaces TE200B20C2)
Regular price $25.95 USDRegular priceSale price $25.95 USD -
Greystone TSAPA20B Temp Sensor Duct / Immersion 100mm (4") with small hinged ABS enclosure & 20,000 ohm thermistor (replaces TE200B20B2)
Regular price $25.95 USDRegular priceSale price $25.95 USD