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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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3% (63 products)
5% (65 products)
2% accuracy (66 products)
2% Accuracy (52 products)
3% accuracy (66 products)
3% Accuracy (52 products)
5% accuracy (66 products)
5% Accuracy (52 products)
4-20mA (105 products)
4-20 mA (76 products)
75 mA (74 products)
0-5 Vdc (95 products)
0-10 Vdc (107 products)
24 Vdc (74 products)
'+/-3% (74 products)
0-20K PPM CO2 ranges (64 products)
3-wire (86 products)
ABS White (74 products)
AC/DC operation (198 products)
add-on outputs (60 products)
BACnet (204 products)
CDD3 (60 products)
CDD3A100 (60 products)
CDD3B100 (60 products)
CDD4B1 Series (64 products)
CO2 Transmitter (60 products)
Combo Sensors (310 products)
Digital Input (128 products)
Duct Temperature (65 products)
external comm jack (52 products)
field adjustable (64 products)
Greystone (1368 products)
Greystone CD2R (74 products)
Greystone Energy (594 products)
Greystone Sensor (128 products)
HRC2 (246 products)
HRC3 (246 products)
HRC5 (246 products)
HRC series (246 products)
Humidity (152 products)
Humidity 0-100% (52 products)
Humidity Controls (535 products)
IAQ Sensors (246 products)
LCD (120 products)
LCD display (326 products)
low profile (112 products)
menu driven set-up (64 products)
Microprocessor based (80 products)
microprocessor temperature compensation (198 products)
Modbus (200 products)
NDIR (74 products)
Network Sensor (128 products)
NTRC Series (128 products)
occupancy override (52 products)
optional override switch (80 products)
optional temp sensor output (64 products)
optional temperature sensor (231 products)
passive sensor (130 products)
precision thermistor (90 products)
Relative Humidity (60 products)
relay outputs (60 products)
Replaces CDD4 Series (74 products)
resistive temperature sensor (246 products)
RH100S (198 products)
RH and Temp (82 products)
Room (60 products)
Room Carbon Dioxide Sensor (74 products)
Room Humidity (417 products)
Room Humidity Transmitter (82 products)
Room RH (66 products)
Room Temperature (221 products)
Room Temperature Sensor (80 products)
RTD sensing element (90 products)
self-calibration algorithm (64 products)
setpoint adjustment (60 products)
slide-pot setpoint (246 products)
SPC01 (52 products)
SPC02 (52 products)
SPC04 (52 products)
SPC05 (52 products)
SPC06 (52 products)
SPC Series (52 products)
Stainless Steel (198 products)
Temperature (212 products)
Temperature Sensors (336 products)
Transmitter (218 products)
TSPC Series (80 products)
Type 2 (74 products)
Type 5 (86 products)
Type 6 (86 products)
Type 7 (86 products)
Type 8 (86 products)
Type 12 (92 products)
Type 13 (74 products)
Type 14 (74 products)
Type 20 (74 products)
Type 24 (74 products)
wall mount (60 products)
wall plate (198 products)

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2% (63 products)
3% (63 products)
5% (65 products)
2% accuracy (66 products)
2% Accuracy (52 products)
3% accuracy (66 products)
3% Accuracy (52 products)
5% accuracy (66 products)
5% Accuracy (52 products)
4-20mA (105 products)
4-20 mA (76 products)
75 mA (74 products)
0-5 Vdc (95 products)
0-10 Vdc (107 products)
24 Vdc (74 products)
'+/-3% (74 products)
0-20K PPM CO2 ranges (64 products)
3-wire (86 products)
ABS White (74 products)
AC/DC operation (198 products)
add-on outputs (60 products)
BACnet (204 products)
CDD3 (60 products)
CDD3A100 (60 products)
CDD3B100 (60 products)
CDD4B1 Series (64 products)
CO2 Transmitter (60 products)
Combo Sensors (310 products)
Digital Input (128 products)
Duct Temperature (65 products)
external comm jack (52 products)
field adjustable (64 products)
Greystone (1368 products)
Greystone CD2R (74 products)
Greystone Energy (594 products)
Greystone Sensor (128 products)
HRC2 (246 products)
HRC3 (246 products)
HRC5 (246 products)
HRC series (246 products)
Humidity (152 products)
Humidity 0-100% (52 products)
Humidity Controls (535 products)
IAQ Sensors (246 products)
LCD (120 products)
LCD display (326 products)
low profile (112 products)
menu driven set-up (64 products)
Microprocessor based (80 products)
microprocessor temperature compensation (198 products)
Modbus (200 products)
NDIR (74 products)
Network Sensor (128 products)
NTRC Series (128 products)
occupancy override (52 products)
optional override switch (80 products)
optional temp sensor output (64 products)
optional temperature sensor (231 products)
passive sensor (130 products)
precision thermistor (90 products)
Relative Humidity (60 products)
relay outputs (60 products)
Replaces CDD4 Series (74 products)
resistive temperature sensor (246 products)
RH100S (198 products)
RH and Temp (82 products)
Room (60 products)
Room Carbon Dioxide Sensor (74 products)
Room Humidity (417 products)
Room Humidity Transmitter (82 products)
Room RH (66 products)
Room Temperature (221 products)
Room Temperature Sensor (80 products)
RTD sensing element (90 products)
self-calibration algorithm (64 products)
setpoint adjustment (60 products)
slide-pot setpoint (246 products)
SPC01 (52 products)
SPC02 (52 products)
SPC04 (52 products)
SPC05 (52 products)
SPC06 (52 products)
SPC Series (52 products)
Stainless Steel (198 products)
Temperature (212 products)
Temperature Sensors (336 products)
Transmitter (218 products)
TSPC Series (80 products)
Type 2 (74 products)
Type 5 (86 products)
Type 6 (86 products)
Type 7 (86 products)
Type 8 (86 products)
Type 12 (92 products)
Type 13 (74 products)
Type 14 (74 products)
Type 20 (74 products)
Type 24 (74 products)
wall mount (60 products)
wall plate (198 products)

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1368 products

Greystone CDD4B100T14R Room, CO2, NDIR dual beam, c/w analog outputs, concealed LCD display, 10K ohm Thermistor+11K shunt resistor and relay

Greystone CDD4B100T14R Room, CO2, NDIR dual beam, c/w analog outputs, concealed LCD display, 10K ohm Thermistor+11K shunt resistor and relay

Regular price $523.78 USD

Regular price Sale price $523.78 USD
Greystone CDD4B100T14 Room, CO2, NDIR dual beam, c/w analog outputs, concealed LCD display and 10K ohm Thermistor+11K shunt resistor

Greystone CDD4B100T14 Room, CO2, NDIR dual beam, c/w analog outputs, concealed LCD display and 10K ohm Thermistor+11K shunt resistor

Regular price $508.55 USD

Regular price Sale price $508.55 USD
Greystone CDD4B100T13S Room, CO2, NDIR dual beam, c/w analog outputs, concealed LCD display, PT1000 Nickel RTD and override switch

Greystone CDD4B100T13S Room, CO2, NDIR dual beam, c/w analog outputs, concealed LCD display, PT1000 Nickel RTD and override switch

Regular price $513.63 USD

Regular price Sale price $513.63 USD
Greystone CDD4B100T13R Room, CO2, NDIR dual beam, c/w analog outputs, concealed LCD display, PT1000 Nickel RTD and relay

Greystone CDD4B100T13R Room, CO2, NDIR dual beam, c/w analog outputs, concealed LCD display, PT1000 Nickel RTD and relay

Regular price $523.78 USD

Regular price Sale price $523.78 USD
Greystone CDD4B100T13 Room, CO2, NDIR dual beam, c/w analog outputs, concealed LCD display and PT1000 Nickel RTD

Greystone CDD4B100T13 Room, CO2, NDIR dual beam, c/w analog outputs, concealed LCD display and PT1000 Nickel RTD

Regular price $508.55 USD

Regular price Sale price $508.55 USD
Greystone CDD4B100T12S Room, CO2, NDIR dual beam, c/w analog outputs, concealed LCD display, PT1000 ohm RTD and override switch

Greystone CDD4B100T12S Room, CO2, NDIR dual beam, c/w analog outputs, concealed LCD display, PT1000 ohm RTD and override switch

Regular price $515.41 USD

Regular price Sale price $515.41 USD
Greystone CDD4B100T12R Room, CO2, NDIR dual beam, c/w analog outputs, concealed LCD display, PT1000 ohm RTD and relay

Greystone CDD4B100T12R Room, CO2, NDIR dual beam, c/w analog outputs, concealed LCD display, PT1000 ohm RTD and relay

Regular price $525.60 USD

Regular price Sale price $525.60 USD
Greystone CDD4B100T12 Room, CO2, NDIR dual beam, c/w analog outputs, concealed LCD display and PT1000 ohm RTD

Greystone CDD4B100T12 Room, CO2, NDIR dual beam, c/w analog outputs, concealed LCD display and PT1000 ohm RTD

Regular price $510.30 USD

Regular price Sale price $510.30 USD
Greystone CDD4B100R Room, CO2, NDIR dual beam, c/w analog outputs, concealed LCD display and relay

Greystone CDD4B100R Room, CO2, NDIR dual beam, c/w analog outputs, concealed LCD display and relay

Regular price $512.97 USD

Regular price Sale price $512.97 USD
Greystone CDD4B100 Room, CO2, NDIR dual beam, c/w analog outputs, and concealed LCD display

Greystone CDD4B100 Room, CO2, NDIR dual beam, c/w analog outputs, and concealed LCD display

Regular price $497.63 USD

Regular price Sale price $497.63 USD
Greystone CDD5B101S Room Carbon Dioxide Detector, 0-2000 ppm, Temperature & Humidity, 0-5 or 0-10 Vdc, Viewable LCD, Exposed push button momentary switch - N.O.

Greystone CDD5B101S Room Carbon Dioxide Detector, 0-2000 ppm, Temperature & Humidity, 0-5 or 0-10 Vdc, Viewable LCD, Exposed push button momentary switch - N.O.

Regular price $426.19 USD

Regular price Sale price $426.19 USD
Greystone CDD5B101R Room Carbon Dioxide Detector, 0-2000 ppm, Temperature & Humidity, 0-5 or 0-10 Vdc, Viewable LCD, Relay Output

Greystone CDD5B101R Room Carbon Dioxide Detector, 0-2000 ppm, Temperature & Humidity, 0-5 or 0-10 Vdc, Viewable LCD, Relay Output

Regular price $436.38 USD

Regular price Sale price $436.38 USD
Greystone CDD5B101PS Room Carbon Dioxide Detector, 0-2000 ppm, Temperature & Humidity, 0-5 or 0-10 Vdc, Viewable LCD, Linear slide pot for set point control, Exposed push button momentary switch - N.O.

Greystone CDD5B101PS Room Carbon Dioxide Detector, 0-2000 ppm, Temperature & Humidity, 0-5 or 0-10 Vdc, Viewable LCD, Linear slide pot for set point control, Exposed push button momentary switch - N.O.

Regular price $431.33 USD

Regular price Sale price $431.33 USD
Greystone CDD5B101PR Room Carbon Dioxide Detector, 0-2000 ppm, Temperature & Humidity, 0-5 or 0-10 Vdc, Viewable LCD, Linear slide pot for set point control, Relay Output

Greystone CDD5B101PR Room Carbon Dioxide Detector, 0-2000 ppm, Temperature & Humidity, 0-5 or 0-10 Vdc, Viewable LCD, Linear slide pot for set point control, Relay Output

Regular price $441.52 USD

Regular price Sale price $441.52 USD
Greystone CDD5B101P Room Carbon Dioxide Detector, 0-2000 ppm, Temperature & Humidity, 0-5 or 0-10 Vdc, Viewable LCD, Linear slide pot for set point control

Greystone CDD5B101P Room Carbon Dioxide Detector, 0-2000 ppm, Temperature & Humidity, 0-5 or 0-10 Vdc, Viewable LCD, Linear slide pot for set point control

Regular price $426.19 USD

Regular price Sale price $426.19 USD
Greystone CDD5B101 Room Carbon Dioxide Detector, 0-2000 ppm, Temperature & Humidity, 0-5 or 0-10 Vdc, Viewable LCD

Greystone CDD5B101 Room Carbon Dioxide Detector, 0-2000 ppm, Temperature & Humidity, 0-5 or 0-10 Vdc, Viewable LCD

Regular price $421.12 USD

Regular price Sale price $421.12 USD
Greystone CDD5B100S Room Carbon Dioxide Detector, 0-2000 ppm, Temperature & Humidity, 0-5 or 0-10 Vdc, Concealed LCD, Exposed push button momentary switch - N.O.

Greystone CDD5B100S Room Carbon Dioxide Detector, 0-2000 ppm, Temperature & Humidity, 0-5 or 0-10 Vdc, Concealed LCD, Exposed push button momentary switch - N.O.

Regular price $413.44 USD

Regular price Sale price $413.44 USD
Greystone CDD5B100R Room Carbon Dioxide Detector, 0-2000 ppm, Temperature & Humidity, 0-5 or 0-10 Vdc, Concealed LCD

Greystone CDD5B100R Room Carbon Dioxide Detector, 0-2000 ppm, Temperature & Humidity, 0-5 or 0-10 Vdc, Concealed LCD

Regular price $423.63 USD

Regular price Sale price $423.63 USD
Greystone CDD5B100PS Room Carbon Dioxide Detector, 0-2000 ppm, Temperature & Humidity, 0-5 or 0-10 Vdc, Concealed LCD, Linear slide pot for set point control, Exposed push button momentary switch - N.O.

Greystone CDD5B100PS Room Carbon Dioxide Detector, 0-2000 ppm, Temperature & Humidity, 0-5 or 0-10 Vdc, Concealed LCD, Linear slide pot for set point control, Exposed push button momentary switch - N.O.

Regular price $418.53 USD

Regular price Sale price $418.53 USD
Greystone CDD5B100PR Room Carbon Dioxide Detector, 0-2000 ppm, Temperature & Humidity, 0-5 or 0-10 Vdc, Concealed LCD, Linear slide pot for set point control, Relay Output

Greystone CDD5B100PR Room Carbon Dioxide Detector, 0-2000 ppm, Temperature & Humidity, 0-5 or 0-10 Vdc, Concealed LCD, Linear slide pot for set point control, Relay Output

Regular price $428.74 USD

Regular price Sale price $428.74 USD
Greystone CDD5B100P Room Carbon Dioxide Detector, 0-2000 ppm, Temperature & Humidity, 0-5 or 0-10 Vdc, Concealed LCD, Linear slide pot for set point control

Greystone CDD5B100P Room Carbon Dioxide Detector, 0-2000 ppm, Temperature & Humidity, 0-5 or 0-10 Vdc, Concealed LCD, Linear slide pot for set point control

Regular price $413.44 USD

Regular price Sale price $413.44 USD
Greystone CDD5B100 Room Carbon Dioxide Detector, 0-2000 ppm, Temperature & Humidity, 0-5 or 0-10 Vdc, Concealed LCD

Greystone CDD5B100 Room Carbon Dioxide Detector, 0-2000 ppm, Temperature & Humidity, 0-5 or 0-10 Vdc, Concealed LCD

Regular price $408.33 USD

Regular price Sale price $408.33 USD
Greystone CDD5A101S Room Carbon Dioxide Detector, 0-2000 ppm, Temperature & Humidity, 4-20 mA, Viewable LCD, Exposed push button momentary switch - N.O.

Greystone CDD5A101S Room Carbon Dioxide Detector, 0-2000 ppm, Temperature & Humidity, 4-20 mA, Viewable LCD, Exposed push button momentary switch - N.O.

Regular price $426.19 USD

Regular price Sale price $426.19 USD
Greystone CDD5A101R Room Carbon Dioxide Detector, 0-2000 ppm, Temperature & Humidity, 4-20 mA, Viewable LCD, Relay Output

Greystone CDD5A101R Room Carbon Dioxide Detector, 0-2000 ppm, Temperature & Humidity, 4-20 mA, Viewable LCD, Relay Output

Regular price $436.38 USD

Regular price Sale price $436.38 USD
Greystone CDD5A101PS Room Carbon Dioxide Detector, 0-2000 ppm, Temperature & Humidity, 4-20 mA, Viewable LCD, Linear slide pot for set point control, Exposed push button momentary switch - N.O.

Greystone CDD5A101PS Room Carbon Dioxide Detector, 0-2000 ppm, Temperature & Humidity, 4-20 mA, Viewable LCD, Linear slide pot for set point control, Exposed push button momentary switch - N.O.

Regular price $431.33 USD

Regular price Sale price $431.33 USD
Greystone CDD5A101PR Room Carbon Dioxide Detector, 0-2000 ppm, Temperature & Humidity, 4-20 mA, Viewable LCD, Linear slide pot for set point control, Relay Output

Greystone CDD5A101PR Room Carbon Dioxide Detector, 0-2000 ppm, Temperature & Humidity, 4-20 mA, Viewable LCD, Linear slide pot for set point control, Relay Output

Regular price $441.52 USD

Regular price Sale price $441.52 USD
Greystone CDD5A101P Room Carbon Dioxide Detector, 0-2000 ppm, Temperature & Humidity, 4-20 mA, Viewable LCD, Linear slide pot for set point control

Greystone CDD5A101P Room Carbon Dioxide Detector, 0-2000 ppm, Temperature & Humidity, 4-20 mA, Viewable LCD, Linear slide pot for set point control

Regular price $426.19 USD

Regular price Sale price $426.19 USD
Greystone CDD5A101 Room Carbon Dioxide Detector, 0-2000 ppm, Temperature & Humidity, 4-20 mA, Viewable LCD

Greystone CDD5A101 Room Carbon Dioxide Detector, 0-2000 ppm, Temperature & Humidity, 4-20 mA, Viewable LCD

Regular price $421.12 USD

Regular price Sale price $421.12 USD
Greystone CDD5A100S Room Carbon Dioxide Detector, 0-2000 ppm, Temperature & Humidity, 4-20 mA, Concealed LCD

Greystone CDD5A100S Room Carbon Dioxide Detector, 0-2000 ppm, Temperature & Humidity, 4-20 mA, Concealed LCD

Regular price $413.44 USD

Regular price Sale price $413.44 USD
Greystone CDD5A100R Room Carbon Dioxide Detector, 0-2000 ppm, Temperature & Humidity, 4-20 mA, Concealed LCD

Greystone CDD5A100R Room Carbon Dioxide Detector, 0-2000 ppm, Temperature & Humidity, 4-20 mA, Concealed LCD

Regular price $423.63 USD

Regular price Sale price $423.63 USD
Greystone CDD5A100PS Room Carbon Dioxide Detector, 0-2000 ppm, Temperature & Humidity, 4-20 mA, Concealed LCD, Linear slide pot for set point control

Greystone CDD5A100PS Room Carbon Dioxide Detector, 0-2000 ppm, Temperature & Humidity, 4-20 mA, Concealed LCD, Linear slide pot for set point control

Regular price $418.53 USD

Regular price Sale price $418.53 USD
Greystone CDD5A100PR Room Carbon Dioxide Detector, 0-2000 ppm, Temperature & Humidity, 4-20 mA, Concealed LCD, Linear slide pot for set point control, Relay Output

Greystone CDD5A100PR Room Carbon Dioxide Detector, 0-2000 ppm, Temperature & Humidity, 4-20 mA, Concealed LCD, Linear slide pot for set point control, Relay Output

Regular price $428.74 USD

Regular price Sale price $428.74 USD
Greystone CDD5A100P Room Carbon Dioxide Detector, 0-2000 ppm, Temperature & Humidity, 4-20 mA, Concealed LCD

Greystone CDD5A100P Room Carbon Dioxide Detector, 0-2000 ppm, Temperature & Humidity, 4-20 mA, Concealed LCD

Regular price $413.44 USD

Regular price Sale price $413.44 USD
Greystone CDD5A100 Room Carbon Dioxide Detector, 0-2000 ppm, Temperature & Humidity, 4-20 mA, Concealed LCD

Greystone CDD5A100 Room Carbon Dioxide Detector, 0-2000 ppm, Temperature & Humidity, 4-20 mA, Concealed LCD

Regular price $408.33 USD

Regular price Sale price $408.33 USD
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Regular price $119.82 USD

Regular price Sale price $119.82 USD

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Regular price $128.39 USD

Regular price Sale price $128.39 USD

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Greystone CMD5B5110-MOD Carbon Monoxide Detector, 5% electrochem, Duct, selectable Ranges and outputs, LCD display, test switch, two relays, status LED and Modbus communications

Greystone CMD5B5110-MOD Carbon Monoxide Detector, 5% electrochem, Duct, selectable Ranges and outputs, LCD display, test switch, two relays, status LED and Modbus communications

Regular price $399.34 USD

Regular price Sale price $399.34 USD
Greystone CMD5B5110-BAC Carbon Monoxide Detector 5% electrochem, Duct, selectable Ranges and outputs, LCD display, test switch, two relays, status LED and BACnet communications

Greystone CMD5B5110-BAC Carbon Monoxide Detector 5% electrochem, Duct, selectable Ranges and outputs, LCD display, test switch, two relays, status LED and BACnet communications

Regular price $399.34 USD

Regular price Sale price $399.34 USD
Greystone CMD5B5110 Carbon Monoxide DetectorCO detector, 5% electrochem, Duct, selectable Ranges and outputs, LCD display, test switch, two relays and status LED

Greystone CMD5B5110 Carbon Monoxide DetectorCO detector, 5% electrochem, Duct, selectable Ranges and outputs, LCD display, test switch, two relays and status LED

Regular price $335.76 USD

Regular price Sale price $335.76 USD
Greystone CMD5B5100-MOD Carbon Monoxide Detector, 5% electrochem, Duct, selectable Ranges and outputs, LCD display, test switch, relay, status LED and Modbus communications

Greystone CMD5B5100-MOD Carbon Monoxide Detector, 5% electrochem, Duct, selectable Ranges and outputs, LCD display, test switch, relay, status LED and Modbus communications

Regular price $384.04 USD

Regular price Sale price $384.04 USD
Greystone CMD5B5100-BAC Carbon Monoxide Detector, 5% electrochem, Duct, selectable Ranges and outputs, LCD display, test switch, relay, status LED and BACnet communications

Greystone CMD5B5100-BAC Carbon Monoxide Detector, 5% electrochem, Duct, selectable Ranges and outputs, LCD display, test switch, relay, status LED and BACnet communications

Regular price $384.04 USD

Regular price Sale price $384.04 USD
Greystone CMD5B5100-BAC Carbon Monxide Detector, 5% electrochem, Duct, selectable Ranges and outputs, LCD display, test switch, relay and status LED

Greystone CMD5B5100-BAC Carbon Monxide Detector, 5% electrochem, Duct, selectable Ranges and outputs, LCD display, test switch, relay and status LED

Regular price $320.52 USD

Regular price Sale price $320.52 USD
Greystone CMD5B5000-MOD Carbon Monoxide Detector, 5% electrochem, Duct, selectable Ranges and outputs, LCD display, test switch, status LED and Modbus communications

Greystone CMD5B5000-MOD Carbon Monoxide Detector, 5% electrochem, Duct, selectable Ranges and outputs, LCD display, test switch, status LED and Modbus communications

Regular price $368.76 USD

Regular price Sale price $368.76 USD
Greystone CMD5B5000-MOD Carbon Monoxide Detector, 5% electrochem, Duct, selectable Ranges and outputs, LCD display, test switch, status LED and BACnet communications

Greystone CMD5B5000-MOD Carbon Monoxide Detector, 5% electrochem, Duct, selectable Ranges and outputs, LCD display, test switch, status LED and BACnet communications

Regular price $368.76 USD

Regular price Sale price $368.76 USD
Greystone CMD5B5000 Carbon Monoxide Detector 5% electrochem, Duct, selectable Ranges and outputs, LCD display, test switch and status LED

Greystone CMD5B5000 Carbon Monoxide Detector 5% electrochem, Duct, selectable Ranges and outputs, LCD display, test switch and status LED

Regular price $305.24 USD

Regular price Sale price $305.24 USD
Greystone CMD5B1000-MOD Carbon Monoxide Detector, 5% electrochem, Room, 0-300 PPM range, 4-20mA & relay output, Modbus Communications

Greystone CMD5B1000-MOD Carbon Monoxide Detector, 5% electrochem, Room, 0-300 PPM range, 4-20mA & relay output, Modbus Communications

Regular price $206.08 USD

Regular price Sale price $206.08 USD
Greystone CMD5B1000-MOD Carbon Monoxide Detector, 5% electrochem, Room, 0-300 PPM range, Modbus Communications

Greystone CMD5B1000-MOD Carbon Monoxide Detector, 5% electrochem, Room, 0-300 PPM range, Modbus Communications

Regular price $188.04 USD

Regular price Sale price $188.04 USD
Greystone CMD55-CALPCB Carbon Monoxide Detector, 5% electrochem, Room, 0-300 PPM range 4-20mA output

Greystone CMD55-CALPCB Carbon Monoxide Detector, 5% electrochem, Room, 0-300 PPM range 4-20mA output

Regular price $190.80 USD

Regular price Sale price $190.80 USD
Greystone CS-425-HC-5 AC Current Switch, Solid core 120 Vac 2.5 amp switch, Triac, 5 minute off time delay

Greystone CS-425-HC-5 AC Current Switch, Solid core 120 Vac 2.5 amp switch, Triac, 5 minute off time delay

Regular price $65.66 USD

Regular price Sale price $65.66 USD
Greystone CS-425-HC-15 AC Current Switch, Solid core 120 Vac 2.5 amp switch, Triac, 15 minute off time delay

Greystone CS-425-HC-15 AC Current Switch, Solid core 120 Vac 2.5 amp switch, Triac, 15 minute off time delay

Regular price $65.66 USD

Regular price Sale price $65.66 USD

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