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 NTRCLRHPS (NTRC Series) Network Sensor w/ BACnet or Modbus Communications, Viewable, Temperature & Humidity, Setpoint Adjustment, 2 button up/down, Momentary Override Switch - N.O.
Regular price $237.03 USDRegular priceSale price $237.03 USD -
Greystone NTRCLRHPRS (NTRC Series) Network Sensor w/ BACnet or Modbus Communications, Viewable, Temperature & Humidity, Setpoint Adjustment, 2 button up/down, Relay Output, Momentary Override Switch - N.O.
Regular price $252.62 USDRegular priceSale price $252.62 USD -
Greystone NTRCLRHPR (NTRC Series) Network Sensor w/ BACnet or Modbus Communications, Viewable, Temperature & Humidity, Setpoint Adjustment, 2 button up/down, Relay Output
Regular price $247.42 USDRegular priceSale price $247.42 USD -
Greystone NTRCLRHP (NTRC Series) Network Sensor w/ BACnet or Modbus Communications, Viewable, Temperature & Humidity, Setpoint Adjustment, 2 button up/down
Regular price $231.76 USDRegular priceSale price $231.76 USD -
Greystone NTRCLRHFS (NTRC Series) Network Sensor w/ BACnet or Modbus Communications, Viewable, Temperature & Humidity, Fanspeed Switch, 5 Position, Momentary Override Switch - N.O.
Regular price $244.81 USDRegular priceSale price $244.81 USD -
Greystone NTRCLRHFRS (NTRC Series) Network Sensor w/ BACnet or Modbus Communications, Viewable, Temperature & Humidity, Fanspeed Switch, 5 Position, Relay Output, Momentary Override Switch - N.O.
Regular price $260.44 USDRegular priceSale price $260.44 USD -
Greystone NTRCLRHFR (NTRC Series) Network Sensor w/ BACnet or Modbus Communications, Viewable, Temperature & Humidity, Fanspeed Switch, 5 Position, Relay Output
Regular price $255.23 USDRegular priceSale price $255.23 USD -
Greystone NTRCLRHFPS (NTRC Series) Network Sensor w/ BACnet or Modbus Communications, Viewable, Temperature & Humidity, Fanspeed Switch, 5 Position, Setpoint Adjustment, 2 button up/down, Momentary Override Switch - N.O.
Regular price $250.04 USDRegular priceSale price $250.04 USD -
Greystone NTRCLRHFPRS (NTRC Series) Network Sensor w/ BACnet or Modbus Communications, Viewable, Temperature & Humidity, Fanspeed Switch, 5 Position, Setpoint Adjustment, 2 button up/down, Relay Output, Momentary Override Switch - N.O.
Regular price $265.70 USDRegular priceSale price $265.70 USD -
Greystone NTRCLRHFPR (NTRC Series) Network Sensor w/ BACnet or Modbus Communications, Viewable, Temperature & Humidity, Fanspeed Switch, 5 Position, Setpoint Adjustment, 2 button up/down, Relay Output
Regular price $260.44 USDRegular priceSale price $260.44 USD -
Greystone NTRCLRHFP (NTRC Series) Network Sensor w/ BACnet or Modbus Communications, Viewable, Temperature & Humidity, Fanspeed Switch, 5 Position, Setpoint Adjustment, 2 button up/down
Regular price $244.81 USDRegular priceSale price $244.81 USD -
Greystone NTRCLRHF (NTRC Series) Network Sensor w/ BACnet or Modbus Communications, Viewable, Temperature & Humidity, Fanspeed Switch, 5 Position
Regular price $239.61 USDRegular priceSale price $239.61 USD -
Greystone NTRCLRHDS (NTRC Series) Network Sensor w/ BACnet or Modbus Communications, Viewable, Temperature & Humidity, Digital Input, Momentary Override Switch - N.O.
Regular price $247.42 USDRegular priceSale price $247.42 USD -
Greystone NTRCLRHDRS (NTRC Series) Network Sensor w/ BACnet or Modbus Communications, Viewable, Temperature & Humidity, Digital Input, Relay Output, Momentary Override Switch - N.O.
Regular price $263.05 USDRegular priceSale price $263.05 USD -
Greystone NTRCLRHDR (NTRC Series) Network Sensor w/ BACnet or Modbus Communications, Viewable, Temperature & Humidity, Digital Input, Relay Output
Regular price $257.85 USDRegular priceSale price $257.85 USD -
Greystone NTRCLRHDPS (NTRC Series) Network Sensor w/ BACnet or Modbus Communications, Viewable, Temperature & Humidity, Digital Input, Setpoint Adjustment, 2 button up/down, Momentary Override Switch - N.O.
Regular price $252.62 USDRegular priceSale price $252.62 USD -
Greystone NTRCLRHDPRS (NTRC Series) Network Sensor w/ BACnet or Modbus Communications, Viewable, Temperature & Humidity, Digital Input, Setpoint Adjustment, 2 button up/down, Relay Output, Momentary Override Switch - N.O.
Regular price $268.29 USDRegular priceSale price $268.29 USD -
Greystone NTRCLRHDPR (NTRC Series) Network Sensor w/ BACnet or Modbus Communications, Viewable, Temperature & Humidity, Digital Input, Setpoint Adjustment, 2 button up/down, Relay Output
Regular price $263.05 USDRegular priceSale price $263.05 USD -
Greystone NTRCLRHDP (NTRC Series) Network Sensor w/ BACnet or Modbus Communications, Viewable, Temperature & Humidity, Digital Input, Setpoint Adjustment, 2 button up/down
Regular price $247.42 USDRegular priceSale price $247.42 USD -
Greystone NTRCLRHDFS (NTRC Series) Network Sensor w/ BACnet or Modbus Communications, Viewable, Temperature & Humidity, Digital Input, Fanspeed Switch, 5 Position, Momentary Override Switch - N.O.
Regular price $260.44 USDRegular priceSale price $260.44 USD -
Greystone NTRCLRHDFRS (NTRC Series) Network Sensor w/ BACnet or Modbus Communications, Viewable, Temperature & Humidity, Digital Input, Fanspeed Switch, 5 Position, Relay Output, Momentary Override Switch - N.O.
Regular price $276.10 USDRegular priceSale price $276.10 USD -
Greystone NTRCLRHDFR (NTRC Series) Network Sensor w/ BACnet or Modbus Communications, Viewable, Temperature & Humidity, Digital Input, Fanspeed Switch, 5 Position, Relay Output
Regular price $270.87 USDRegular priceSale price $270.87 USD -
Greystone NTRCLRHDFPS (NTRC Series) Network Sensor w/ BACnet or Modbus Communications, Viewable, Temperature & Humidity, Digital Input, Fanspeed Switch, 5 Position, Setpoint Adjustment, 2 button up/down, Momentary Override Switch - N.O.
Regular price $265.70 USDRegular priceSale price $265.70 USD -
Greystone NTRCLRHDFPRS (NTRC Series) Network Sensor w/ BACnet or Modbus Communications, Viewable, Temperature & Humidity, Digital Input, Fanspeed Switch, 5 Position, Setpoint Adjustment, 2 button up/down, Relay Output, Momentary Override Switch - N.O.
Regular price $281.30 USDRegular priceSale price $281.30 USD -
Greystone NTRCLRHDFPR (NTRC Series) Network Sensor w/ BACnet or Modbus Communications, Viewable, Temperature & Humidity, Digital Input, Fanspeed Switch, 5 Position, Setpoint Adjustment, 2 button up/down, Relay Output
Regular price $276.10 USDRegular priceSale price $276.10 USD -
Greystone NTRCLRHDFP (NTRC Series) Network Sensor w/ BACnet or Modbus Communications, Viewable, Temperature & Humidity, Digital Input, Fanspeed Switch, 5 Position, Setpoint Adjustment, 2 button up/down
Regular price $260.44 USDRegular priceSale price $260.44 USD -
Greystone NTRCLRHDF (NTRC Series) Network Sensor w/ BACnet or Modbus Communications, Viewable, Temperature & Humidity, Digital Input, Fanspeed Switch, 5 Position
Regular price $255.23 USDRegular priceSale price $255.23 USD -
Greystone NTRCLRHD (NTRC Series) Network Sensor w/ BACnet or Modbus Communications, Viewable, Temperature & Humidity, Digital Input
Regular price $242.19 USDRegular priceSale price $242.19 USD -
Greystone NTRCLRH (NTRC Series) Network Sensor w/ BACnet or Modbus Communications, Viewable, Temperature & Humidity
Regular price $226.57 USDRegular priceSale price $226.57 USD -
Greystone NTRCNT (NTRC Series) Network Sensor w/ BACnet or Modbus Communications, Concealed, Temperature Only
Regular price $130.22 USDRegular priceSale price $130.22 USD -
Greystone AVDTXX400 Air Velocity Transmitter, No Display, 400 mm Probe
Regular price $313.54 USDRegular priceSale price $313.54 USD -
Greystone AVDTXX100 Air Velocity Transmitter, No Display, 100 mm Probe
Regular price $235.77 USDRegular priceSale price $235.77 USD -
Greystone AVDTXX Air Velocity Transmitter, No Display, 200 mm Probe
Regular price $235.77 USDRegular priceSale price $235.77 USD -
Greystone AVDTMXM400 Air Velocity Transmitter, Display, Modbus, 400 mm Probe
Regular price $448.00 USDRegular priceSale price $448.00 USD -
Greystone AVDTMXM100 Air Velocity Transmitter, Display, Modbus, 100 mm Probe
Regular price $370.24 USDRegular priceSale price $370.24 USD -
Greystone AVDTMXM Air Velocity Transmitter, Display, Modbus, 200 mm Probe
Regular price $370.24 USDRegular priceSale price $370.24 USD -
Greystone AVDTMX400 Air Velocity Transmitter, Display, 400 mm Probe
Regular price $357.77 USDRegular priceSale price $357.77 USD -
Greystone AVDTMX100 Air Velocity Transmitter, Display, 100 mm Probe
Regular price $278.95 USDRegular priceSale price $278.95 USD -
Greystone AVDTMX Air Velocity Transmitter, Display, 200 mm Probe
Regular price $278.95 USDRegular priceSale price $278.95 USD -
Greystone AVDTMR400 Air Velocity Transmitter, Display, Relay, 400 mm Probe
Regular price $388.29 USDRegular priceSale price $388.29 USD -
Greystone AVDTMR100 Air Velocity Transmitter, Display, Relay, 100 mm Probe
Regular price $310.46 USDRegular priceSale price $310.46 USD -
Greystone AVDTMR Air Velocity Transmitter, Display, Relay, 200 mm Probe
Regular price $310.46 USDRegular priceSale price $310.46 USD -
Greystone TXSOE12XE006 Temp Transmitter, Strap-On - 254 mm (10") stainless clamp, ABS enclosure w/ hinged & gasketed cover, w/ thread adaptor & cable gl& adaptor, 1000 Ohm platinum, , 0-10 VDC 3 wire, -50°C to 50°C (-58°F to 122°F)
Regular price $106.70 USDRegular priceSale price $106.70 USD -
Greystone TXSOE12XE002 Temp Transmitter, Strap-On - 254 mm (10") stainless clamp, ABS enclosure w/ hinged & gasketed cover, w/ thread adaptor & cable gl& adaptor, 1000 Ohm platinum, , 0-10 VDC 3 wire, 0°C to 50°C (32°F to 122°F)
Regular price $106.70 USDRegular priceSale price $106.70 USD -
Greystone TXSOE12XE001 Temp Transmitter, Strap-On - 254 mm (10") stainless clamp, ABS enclosure w/ hinged & gasketed cover, w/ thread adaptor & cable gl& adaptor, 1000 Ohm platinum, , 0-10 VDC 3 wire, 0°C to 35°C (32°F to 95°F)
Regular price $106.70 USDRegular priceSale price $106.70 USD -
Greystone TXSOE12XD006 Temp Transmitter, Strap-On - 254 mm (10") stainless clamp, ABS enclosure w/ hinged & gasketed cover, w/ thread adaptor & cable gl& adaptor, 1000 Ohm platinum, , 0-5 VDC 3 wire, -50°C to 50°C (-58°F to 122°F)
Regular price $106.70 USDRegular priceSale price $106.70 USD -
Greystone TXSOE12XD002 Temp Transmitter, Strap-On - 254 mm (10") stainless clamp, ABS enclosure w/ hinged & gasketed cover, w/ thread adaptor & cable gl& adaptor, 1000 Ohm platinum, , 0-5 VDC 3 wire, 0°C to 50°C (32°F to 122°F)
Regular price $106.70 USDRegular priceSale price $106.70 USD -
Greystone TXSOE12XD001 Temp Transmitter, Strap-On - 254 mm (10") stainless clamp, ABS enclosure w/ hinged & gasketed cover, w/ thread adaptor & cable gl& adaptor, 1000 Ohm platinum, , 0-5 VDC 3 wire, 0°C to 35°C (32°F to 95°F)
Regular price $106.70 USDRegular priceSale price $106.70 USD -
Greystone TXSOE12XA006 Temp Transmitter, Strap-On - 254 mm (10") stainless clamp, ABS enclosure w/ hinged & gasketed cover, w/ thread adaptor & cable gl& adaptor, 1000 Ohm platinum, , 4-20 mA 2 or 3 wire, -50°C to 50°C (-58°F to 122°F)
Regular price $106.70 USDRegular priceSale price $106.70 USD -
Greystone TXSOE12XA002 Temp Transmitter, Strap-On - 254 mm (10") stainless clamp, ABS enclosure w/ hinged & gasketed cover, w/ thread adaptor & cable gl& adaptor, 1000 Ohm platinum, , 4-20 mA 2 or 3 wire, 0°C to 50°C (32°F to 122°F)
Regular price $106.70 USDRegular priceSale price $106.70 USD