air quality sensors
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NO2-R-RB-D | NO2 ROOM W / LCD, RELAY, BUZZER | ACI
Brand: ACI
SKU: NO2-R-RB-D
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![ACI PM-D PM2.5, Duct Mount, 4-20 mA and 0-10 VDC, Modbus RS-485 | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-pm-d_medium.jpg?v=1719983086)
PM-D | PM2.5, Duct Mount, 4-20 mA and 0-10 VDC, Modbus RS-485 | ACI
Brand: ACI
SKU: PM-D
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![ACI STN-1.0' Sampling Tube for SL-2000 | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-sts-10-0_b86cdcd7-dde6-4bd3-86c6-0c40a7785796_medium.jpg?v=1719983071)
STN-1.0' | Sampling Tube for SL-2000 | ACI
Brand: ACI
SKU: STN-1.0'
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![ACI PM-R PM2.5, Room Mount, 4-20 mA and 0-10 VDC, Modbus RS-485 | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-pm-r_1b5ccbac-2f77-4ed8-b2b9-6fe60f24d6f2_medium.jpg?v=1719983057)
PM-R | PM2.5, Room Mount, 4-20 mA and 0-10 VDC, Modbus RS-485 | ACI
Brand: ACI
SKU: PM-R
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![ACI NO2-D CO Sensor NO2 Sensor | Duct CO NO2 Sensor | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-no2-d-rb-d_84541b33-735d-448e-bbfa-0a89c20ec701_medium.png?v=1719983054)
NO2-D | CO Sensor NO2 Sensor | Duct CO NO2 Sensor | ACI
Brand: ACI
SKU: NO2-D
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![ACI ESENSE-D CO2 DUCT, 0-10VDC, 4-20MA OUT | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-esense-d_af7d47c2-f28f-4bff-95ae-9c686698ea59_medium.png?v=1719983053)
ESENSE-D | CO2 DUCT, 0-10VDC, 4-20MA OUT | ACI
Brand: ACI
SKU: ESENSE-D
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![ACI Q5-CO2-20V-O-X CO2 SENSOR, 0-20% VOL,ETL | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-b5-butan-100l-o-x_d5d4320f-63c5-4f76-ab1b-bec882e6eeac_medium.jpg?v=1719983053)
Q5-CO2-20V-O-X | CO2 SENSOR, 0-20% VOL, ETL | ACI
Brand: ACI
SKU: Q5-CO2-20V-O-X
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![ACI ESENSE-R-5-LCD CO2 ROOM, LCD, 0-5VDC, 4-20 | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-esense-r-5-lcd_6dc93ec7-3739-4f72-bb45-b69b65e8c1ac_medium.png?v=1719983034)
ESENSE-R-5-LCD | CO2 ROOM, LCD, 0-5VDC, 4-20 | ACI
Brand: ACI
SKU: ESENSE-R-5-LCD
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![ACI CTS-M5130X-Q000000 OXYGEN ROOM SENSOR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-cts-m5220x-q000000_16546f4c-8f6c-4326-92f3-8a23890a64f7_medium.jpg?v=1719983024)
CTS-M5130X-Q000000 | OXYGEN ROOM SENSOR | ACI
Brand: ACI
SKU: CTS-M5130X-Q000000
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![ACI CTS-M5130X-Q0R0000 O2-ROOM W/LCD,RELAY, & BUZZER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-cts-m5220x-q000000_medium.jpg?v=1719983019)
CTS-M5130X-Q0R0000 | O2-ROOM W / LCD, RELAY, & BUZZER | ACI
Brand: ACI
SKU: CTS-M5130X-Q0R0000
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![ACI B5-H2-2000P-O-X BACNET H2 TRX/SNSR 2000PPM | ETL | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-b5-butan-100l-o-x_f227a20d-a1d3-4886-9e76-088a06bc6037_medium.jpg?v=1719983009)
B5-H2-2000P-O-X | BACNET H2 TRX / SNSR 2000PPM | ETL | ACI
Brand: ACI
SKU: B5-H2-2000P-O-X
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![ACI CO2-010-D CO2 Carbon Dioxide Sensor | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-co2-010-d_9cb0feb9-1ffb-49b8-8a79-57dc0c744336_medium.jpg?v=1719983013)
CO2-010-D | CO2 Carbon Dioxide Sensor | ACI
Brand: ACI
SKU: CO2-010-D
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![ACI B5C-CO-250P-O-X CO, 0-250 PPM, ETL LABEL | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-b5-butan-100l-o-x_881d4733-8b40-4aa2-994e-76bb6d4830dc_medium.jpg?v=1719983009)
B5C-CO-250P-O-X | CO, 0-250 PPM, ETL LABEL | ACI
Brand: ACI
SKU: B5C-CO-250P-O-X
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![ACI B5C-CO-1000P-O-X BACnet Protocol MSTP Smart Sensor, Carbon Monoxide, 0-1000 ppm, NEMA 4X, ETL, | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-b5-butan-100l-o-x_1a2d7b58-f7f4-407f-85cb-7115078a09ed_medium.jpg?v=1719982991)
B5C-CO-1000P-O-X | BACnet Protocol MSTP Smart Sensor, Carbon Monoxide, 0-1000 ppm, NEMA 4X, ETL, | ACI
Brand: ACI
SKU: B5C-CO-1000P-O-X
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![ACI A/TTM1K-RA-36"-4-GD RIGID AVERAGING 36", GD | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-tt1k-d-18-4-gd_6c057eb1-b3f9-40c4-9008-176995a17754_medium.png?v=1719982893)
A / TTM1K-RA-36"-4-GD | RIGID AVERAGING 36", GD | ACI
Brand: ACI
SKU: A/TTM1K-RA-36"-4-GD
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![ACI A/TTM100-D-18"-4-4X DUCT 18", 4X | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-100-3w-d-18-4x_a7c8e1d1-9b23-4a15-8614-02d201fa38eb_medium.png?v=1719982880)
A / TTM100-D-18"-4-4X | DUCT 18", 4X | ACI
Brand: ACI
SKU: A/TTM100-D-18"-4-4X
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![ACI A/TTM1K-RA-36"-4-4X RIGID AVERAGING 36", 4X | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-100-3w-d-18-4x_342a821e-6185-4ba8-8ad7-9c07e87d4d07_medium.png?v=1719982875)
A / TTM1K-RA-36"-4-4X | RIGID AVERAGING 36", 4X | ACI
Brand: ACI
SKU: A/TTM1K-RA-36"-4-4X
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![ACI A/TTM1K-RA-12"-4-BB RIGID AVERAGING 12", BB | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-tt1k-d-8-1-bb_b87360ab-a543-4ffa-a3e5-305d696f61eb_medium.png?v=1719982875)
A / TTM1K-RA-12"-4-BB | RIGID AVERAGING 12", BB | ACI
Brand: ACI
SKU: A/TTM1K-RA-12"-4-BB
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![ACI A/TTM1K-A-100'-4-BB AVERAGING 100', BB | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-1k-3w-a-24-bb_fce54d39-f99d-4921-83c3-d80ebc6cebe3_medium.png?v=1719982860)
A / TTM1K-A-100'-4-BB | AVERAGING 100', BB | ACI
Brand: ACI
SKU: A/TTM1K-A-100'-4-BB
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![ACI A/TTM1K-D-6"-4-PB DUCT 6", PB | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-1k-ni-d-12-bb_5398b3dc-c623-4820-bf66-a4d626971c34_medium.png?v=1719982849)
A / TTM1K-D-6"-4-PB | DUCT 6", PB | ACI
Brand: ACI
SKU: A/TTM1K-D-6"-4-PB
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![ACI A/TT1K-RA-18"-4-PB RIGID AVERAGING 18", PB | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-1k-ni-d-12-bb_d6bf63e7-2f8a-4264-9fd0-b5ef48e5ae68_medium.png?v=1719982814)
A / TT1K-RA-18"-4-PB | RIGID AVERAGING 18", PB | ACI
Brand: ACI
SKU: A/TT1K-RA-18"-4-PB
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![ACI A/TTM1K-D-4"-4-BB DUCT 4", BB | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-tt1k-d-8-1-bb_d1b64f48-1ba1-47b6-bc76-c336f2d05249_medium.png?v=1719982825)
A / TTM1K-D-4"-4-BB | DUCT 4", BB | ACI
Brand: ACI
SKU: A/TTM1K-D-4"-4-BB
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![ACI A/TTM1K-D-4"-4-4X DUCT 4", 4X | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-100-3w-d-18-4x_489e2b1a-749c-4e32-9b3b-84ed4dd123ea_medium.png?v=1719982825)
A / TTM1K-D-4"-4-4X | DUCT 4", 4X | ACI
Brand: ACI
SKU: A/TTM1K-D-4"-4-4X
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![ACI A/TTM1K-A-50'-2-GD AVERAGING 50', GD, 2-10VDC | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-1-8k-a-12-gd_2c505d6e-1eca-4e89-aa03-637974f34ac9_medium.png?v=1719982820)
A / TTM1K-A-50'-2-GD | AVERAGING 50', GD, 2-10VDC | ACI
Brand: ACI
SKU: A/TTM1K-A-50'-2-GD
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