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 HRC2LT20S Room Humidity Transmitter 2% c/w 24 Vac/dc supply, jumper selectable outputs, LCD display, 20,000 ohm thermistor, override switch.
Regular price $222.31 USDRegular priceSale price $222.31 USD -
Greystone HRC2LT20PS Room Humidity Transmitter 2% c/w 24 Vac/dc supply, jumper selectable outputs, LCD display, 20,000 ohm thermistor, 0-10K slkide pot, override switch.
Regular price $227.81 USDRegular priceSale price $227.81 USD -
Greystone HRC2LT20P Room Humidity Transmitter /w 24 Vac/dc supply, jumper selectable outputs, LCD display, 20,000 ohm thermistor, 0-10K slide pot.
Regular price $222.31 USDRegular priceSale price $222.31 USD -
Greystone HRC2LT2 Room Humidity Transmitter 2% /w 24 Vac/dc supply, jumper selectable outputs, LCD display, 20,000 ohm thermistor.
Regular price $216.85 USDRegular priceSale price $216.85 USD -
Greystone HRC2LT2 Room Humidity Transmitter 2% /w LCD, 24 Vac/dc supply, jumper selectable outputs, LCD display, PT100 ohm temp sensor.
Regular price $221.26 USDRegular priceSale price $221.26 USD -
Greystone HRC2LT14S Room Humidity Transmitter 2% /w 24 Vac/dc supply, jumper selectable outputs, LCD display, 10,000 ohm type 3 temp sensor with 11k shunt resistor, override switch.
Regular price $226.70 USDRegular priceSale price $226.70 USD -
Greystone HRC2LT14PS Room Humidity Transmitter 2% c/w 24 Vac/dc supply, jumper selectable outputs, LCD display, 10,000 ohm type 3 temp sensor with 11k shunt resistor, 0-10K slide pot, override switch.
Regular price $232.22 USDRegular priceSale price $232.22 USD -
Greystone HRC2LT14P Room Humidity Transmitter 2% /w 24 Vac/dc supply, jumper selectable outputs, LCD display, 10,000 ohm type 3 temp sensor with 11k shunt resistor, 0-10K slide pot.
Regular price $226.70 USDRegular priceSale price $226.70 USD -
Greystone HRC2LT14 Room Humidity Transmitter 2% /w 24 Vac/dc supply, jumper selectable outputs, LCD display, 10,000 ohm type 3 temp sensor with 11k shunt resistor
Regular price $221.26 USDRegular priceSale price $221.26 USD -
Greystone HRC2LT13S Room Humidity Transmitter 2% /w 24 Vac/dc supply, jumper selectable outputs, LCD display, PT1000 ohm nickel temp sensor override switch.
Regular price $226.70 USDRegular priceSale price $226.70 USD -
Greystone HRC2LT13PS Room Humidity Transmitter 2% /w 24 Vac/dc supply, jumper selectable outputs, LCD display, PT1000 ohm nickel temp sensor, 0-10K slide pot, override switch.
Regular price $232.22 USDRegular priceSale price $232.22 USD -
Greystone HRC2LT13P 2% /w 24 Vac/dc supply, jumper selectable outputs, LCD display, PT1000 ohm nickel temp sensor, 0-10K slide pot
Regular price $226.70 USDRegular priceSale price $226.70 USD -
Greystone HRC2LT13 2% ransmitter /w 24 Vac/dc supply, jumper selectable outputs, LCD display, PT1000 ohm nickel temp sensor
Regular price $221.26 USDRegular priceSale price $221.26 USD -
Greystone HRC2LT13 2% c/w 24 Vac/dc supply, jumper selectable outputs, LCD display, PT1000 ohm temp sensor override switch.
Regular price $227.49 USDRegular priceSale price $227.49 USD -
Greystone HRC2LT12P 2% Room Humidity Transmitter continental /w 24 Vac/dc supply, jumper selectable outputs, LCD display, PT1000 ohm temp sensor, 0-10K slide potentiometers, override switch
Regular price $233.02 USDRegular priceSale price $233.02 USD -
Greystone HRC2LT12P 2% Room Humidity Transmitter continental /w 24 Vac/dc supply, jumper selectable outputs, LCD display, PT1000 ohm temp sensor
Regular price $227.49 USDRegular priceSale price $227.49 USD -
Greystone HRC2LT12 2% Room Humidity Transmitter/w 24 Vac/dc supply, jumper selectable outputs, LCD display, PT1000 ohm temp sensor
Regular price $222.01 USDRegular priceSale price $222.01 USD -
Greystone HRC2L 2% transmitter 24 Vac/dc supply, jumper selectable outputs, LCD display
Regular price $209.04 USDRegular priceSale price $209.04 USD -
Greystone HRC3NT8S 3% c/w 24 Vac/dc supply, jumper selectable outputs, 2.252K ohm temp sensor, override switch.
Regular price $161.62 USDRegular priceSale price $161.62 USD -
Greystone HRC3NT8PS 3% c/w 24 Vac/dc supply, jumper selectable outputs, 2.252K ohm temp sensor, 0-10K slide pot, override switch.
Regular price $167.12 USDRegular priceSale price $167.12 USD -
Greystone HRC3NT8P 3% c/w 24 Vac/dc supply, jumper selectable outputs, 2.252K ohm temp sensor, 0-10K slide pot.
Regular price $161.62 USDRegular priceSale price $161.62 USD -
Greystone HRC3NT8 3% c/w LCD, 24 Vac/dc supply, jumper selectable outputs, 2.252K ohm temp sensor.
Regular price $156.17 USDRegular priceSale price $156.17 USD -
Greystone HRC3NT7S 3% c/w 24 Vac/dc supply, jumper selectable outputs, 10,000 ohm type 3 thermistor, override switch.
Regular price $162.73 USDRegular priceSale price $162.73 USD -
Greystone HRC3NT7PS 3% c/w 24 Vac/dc supply, jumper selectable outputs, 10,000 ohm type 3 thermistor, 0-10K slkide pot, override switch.
Regular price $163.33 USDRegular priceSale price $163.33 USD -
Greystone HRC3NT7P 3% c/w 24 Vac/dc supply, jumper selectable outputs, 10,000 ohm type 3 thermistor, 0-10K slide pot.
Regular price $162.73 USDRegular priceSale price $162.73 USD -
Greystone HRC3NT7 3% c/w 24 Vac/dc supply, jumper selectable outputs, 10,000 ohm type 3 thermistor.
Regular price $157.18 USDRegular priceSale price $157.18 USD -
Greystone HRC3NT6S 3% c/w 24 Vac/dc supply, jumper selectable outputs, 3,000 ohm thermistor, override switch.
Regular price $157.23 USDRegular priceSale price $157.23 USD -
Greystone HRC3NT6PS 3% c/w 24 Vac/dc supply, jumper selectable outputs, 3,000 ohm thermistor, 0-10K slkide pot, override switch.
Regular price $162.76 USDRegular priceSale price $162.76 USD -
Greystone HRC3NT6P 3% c/w 24 Vac/dc supply, jumper selectable outputs, 13,000 ohm thermistor, 0-10K slide pot.
Regular price $157.23 USDRegular priceSale price $157.23 USD -
Greystone HRC3NT6 3% c/w 24 Vac/dc supply, jumper selectable outputs, 3,000 ohm thermistor.
Regular price $157.18 USDRegular priceSale price $157.18 USD -
Greystone HRC3NT5S 3% c/w 24 Vac/dc supply, jumper selectable outputs, 1,800 ohm thermistor, override switch.
Regular price $157.23 USDRegular priceSale price $157.23 USD -
Greystone HRC3NT5PS 3% c/w 24 Vac/dc supply, jumper selectable outputs, 1,800 ohm thermistor, 0-10K slkide pot, override switch.
Regular price $162.76 USDRegular priceSale price $162.76 USD -
Greystone HRC3NT5P 3% c/w 24 Vac/dc supply, jumper selectable outputs, 1,800 ohm thermistor, 0-10K slide pot.
Regular price $157.23 USDRegular priceSale price $157.23 USD -
Greystone HRC3NT5 3% c/w 24 Vac/dc supply, jumper selectable outputs, 1,800 ohm thermistor.
Regular price $157.18 USDRegular priceSale price $157.18 USD -
Greystone HRC3NT2S 3% c/w 24 Vac/dc supply, jumper selectable outputs, PT100 ohm temp sensor override switch.
Regular price $161.62 USDRegular priceSale price $161.62 USD -
Greystone HRC3NT2PS 3% c/w 24 Vac/dc supply, jumper selectable outputs, PT100 ohm temp sensor, 0-10K slide pot, override switch.
Regular price $167.12 USDRegular priceSale price $167.12 USD -
Greystone HRC3NT2P 3% c/w 24 Vac/dc supply, jumper selectable outputs, PT100 ohm temp sensor, 0-10K slide pot.
Regular price $161.62 USDRegular priceSale price $161.62 USD -
Greystone HRC3NT24S 3% c/w 24 Vac/dc supply, jumper selectable outputs, 10,000 ohm type 2 thermistor, override switch.
Regular price $157.23 USDRegular priceSale price $157.23 USD -
Greystone HRC3NT24PS 3% c/w 24 Vac/dc supply, jumper selectable outputs, 10,000 ohm type 2 thermistor, 0-10K slkide pot, override switch.
Regular price $162.76 USDRegular priceSale price $162.76 USD -
Greystone HRC3NT24P 3% c/w 24 Vac/dc supply, jumper selectable outputs, 10,000 ohm type 2 thermistor, 0-10K slide pot.
Regular price $157.23 USDRegular priceSale price $157.23 USD -
Greystone HRC3NT24 3% c/w 24 Vac/dc supply, jumper selectable outputs, 10,000 ohm type 2 thermistor.
Regular price $157.18 USDRegular priceSale price $157.18 USD -
Greystone HRC3NT20S 3% c/w 24 Vac/dc supply, jumper selectable outputs, 20,000 ohm thermistor, override switch.
Regular price $157.23 USDRegular priceSale price $157.23 USD -
Greystone HRC3NT20PS 3% c/w 24 Vac/dc supply, jumper selectable outputs, 20,000 ohm thermistor, 0-10K slkide pot, override switch.
Regular price $162.76 USDRegular priceSale price $162.76 USD -
Greystone HRC3NT20P 3% c/w 24 Vac/dc supply, jumper selectable outputs, 20,000 ohm thermistor, 0-10K slide pot.
Regular price $157.23 USDRegular priceSale price $157.23 USD -
Greystone HRC3NT20 3% c/w 24 Vac/dc supply, jumper selectable outputs, 20,000 ohm thermistor.
Regular price $157.18 USDRegular priceSale price $157.18 USD -
Greystone HRC3NT2 3% c/w LCD, 24 Vac/dc supply, jumper selectable outputs, PT100 ohm temp sensor.
Regular price $156.17 USDRegular priceSale price $156.17 USD -
Greystone HRC3NT14S 3% c/w 24 Vac/dc supply, jumper selectable outputs, 10,000 ohm type 3 temp sensor with 11k shunt resistor, override switch.
Regular price $161.62 USDRegular priceSale price $161.62 USD -
Greystone HRC3NT14PS 3% c/w 24 Vac/dc supply, jumper selectable outputs, 10,000 ohm type 3 temp sensor with 11k shunt resistor, 0-10K slide pot, override switch.
Regular price $167.12 USDRegular priceSale price $167.12 USD -
Greystone HRC3NT14P 3% c/w 24 Vac/dc supply, jumper selectable outputs, 10,000 ohm type 3 temp sensor with 11k shunt resistor, 0-10K slide pot.
Regular price $161.62 USDRegular priceSale price $161.62 USD -
Greystone HRC3NT14 3% c/w 24 Vac/dc supply, jumper selectable outputs, 10,000 ohm type 3 temp sensor with 11k shunt resistor.
Regular price $156.17 USDRegular priceSale price $156.17 USD