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Product Range
Pressure Instruments
Temperature Instruments
Level Instruments
Flow Instruments
Humidity Instruments
Cleanroom Instrument
HVAC / BMS Sensors
Air Quality Sensors
- VOC8-Indoor Air
   Quality Transmitters
- CMW-Wall Mounted
   Carbon Monoxide Transmitter
- CMW-LCD
   Wall Mounted
   Carbon Monoxide
   Transmitter  with Display
- CDW-Wall Mounted
  Carbon Dioxide Transmitter
- CDW-LCD-Wall Mounted
   Carbon Dioxide Transmitter
   with Display
- CDM-Duct Mounted
   Carbon Dioxide Transmitter
- IAQ-1000-Indoor Air
   Quality Transmitter
- IAQ-1002-Air Quality
  Transmitter
- SGT35-Smart Gas
   Transmitter For
   Toxic / Combustible Gases
- SGT45-VOC Gas Transmitter
Water Quality Sensors
VAV Boxes
BTU Meter
Valves
Indicators & Controllers
Datalogger
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Accessories
 
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VOC-8 : Indoor Air Quality Transmitters
Parameter : VOC
Mounting : Wall Mounted
Range : 0 to 2000 ppm
Display : Optional
Accuracy : ± 3% of F.S
Output : 4 - 20mA
: 0 - 10VDC

Special Features :

IAQ multi-gas detection
Continuous monitoring
Long-life solid state sensor
Easy sensitivity adjustment
Room, 0-10 VDC signal
Duct, 0/2-10 VDC, 0(1)-5 VDC, or 0/4-20 mA signal

Applications :

The VOC-8... air quality sensors measure the concentration of multiple gases
and odorous substances in the air with constant output. These substances, for
example, may be tobacco smoke, kitchen vapors, human odors and unpleasant
smells. In conjunction with a control device, it controls the fresh air supply
according to the quality of the air in the room; as a result, energy savings
can be made. In combination with a measurement device, it provides an
indication of air quality in the room

Specifications :

Indoor Air Quality Transmitters VOC-820 (Room) VOC-810 (Duct)
 
Electrical
Power supply 24 VAC, ± 24%, 50 to 60 Hz
Power consumption 3.0 VA
 
Sensor Performance
Gas detected Measure contaminants (multiple, different gases; ie., hydrocarbons, hydrogen, alcohols,benzene, carbon monoxide, formaldehyde, cigarette smoke and many other gases)
Sensor element Solid state, semiconductor
Range 0 to 100% of contaminants
Sensitivity Adjustable, potentiometer (to room conditions after approx.
2 days)
Response time < 60 sec at 98 ft/min
(0.5 m/s)
< 100 sec at 98 ft/min (0.5 m/s)
Load max > 5K Ohms
 
Type of Control
Analog output signal 0 to 10 VDC 0(2) to 10 VDC or 0(1) to
5 VDC
0(4) to 20 mA w/less than 500 Ohms
Operability Attained after a warm-up period of 130 min.
 
Environmental
Permissible
air velocity
2,953 ft/min (15 m/s)
Permissible ambient temperature
- working
32°F to 104°F (0°C to 40°C) 4°F to 158°F (-20°C to 70°C)
- storage -13°F to 158°F (-20°C to 70°C)
Permissible ambient humidity 5 to 95% RH
 
Physical
Enclosure, standard
- material
Thermoplastic, fi re retardant
- color White Yellow, black
- protection NEMA 1 (IP 30, EN 60529) NEMA 1 (IP 40, EN 60529 w/conduit
connection IP 54, EN 60536)
- installation Surface mounted Duct mounted, bracket incl.
Probe insertion 1.57 to 6.54 (40 to 166 mm)
Dimensions
W x H x D
3.0 x 3.0 x 1.34 in (76 x 76 x 34 mm) 2.9 x 5.5 x 2.5 in (73 x 140 x 64 mm) &
Probe Ø 1.18 x 7.24 in (Ø 30 x 183 mm)
 
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