Volatile Organic Compounds, Room

This product is covered by ACI's Two (2) Year Limited Warranty. Learn more

Product overview

VOC, Room Mount, 0-1000 ppb, Relay, LCD, 4-20 mA and 0-10 VDC, Modbus RS-485


  • Monitoring Air Quality
  • Air Purifiers
  • WELL Building Standard

Product specifications

Supply Voltage:
16-28VAC/16-35VDC (Reverse Polarity Protection)
Supply Current:
LCD: 50mA | Non-LCD: 33mA
Sensor Type:
Metal Oxide Semiconductor
Sensing Range:
0-1000 ppb TVOC (Isobutene)
Output/Load Resistance:
4-20 mA: 500 Ohms maximum (Default) | 0-10 VDC: 2K Ohms minimum
Communication Protocol:
Modbus RTU; EIA RS-485
Relay (Room with LCD Only):
1 SPDT, N.O. rated 3A @ 30VDC, 3A @ 250VAC
Relay Trip Point:
230 ppb
Response Time:
<5 seconds
Warm Up Time:
15 minutes
Connections | Wire Size:
Screw Terminal Blocks/16 AWG (1.31 mm2) to 22 AWG (0.33 mm2)
Terminal Block Torque Rating:
0.45 lb-in (0.5 Nm) nominal
Operating Temperature Range:
32 to 122°F (0 to 50°C)
Storage Temperature Range:
-4 to 140°F (-20 to 60°C)
Operating RH Range:
10 to 95% RH, non-condensing
Enclosure Protection:
IP30 (Room) | IP65 (Duct) | IP30 (Probe)
Enclosure Material | Flammability Rating:
ABS Plastic/UL94V-0
Product Weight:
Room: ~190g | Duct: ~270g
Agency Approvals: