Toxalert GVU-NO2 - Manual (Page 2)

• Type: Electro-chemical cell diffusion barrier type
• Range: 0 to 10 ppm nitrogen dioxide in air
• Response Time: 30 seconds to 90% indication
• Typical life: Two years in normal service
• Accuracy: +/–5% of full scale
• Resolution: 0.1 ppm
• Operating Temperature:
4º to 122ºF
(–20ºC to 50ºC)
• Relative Humidity: 15 to 90% RH non-condensing
ELECTRICAL DATA:
• Input voltage: 24 VDC (provided from GVU control Unit)
• Wiring: 4 wire non-isolated
UNIT CONSTRUCTION:
• Mounting: Conduit 1/2” and 3/4” NPT or flexible cable
• Housing: Polystyrene, impact-resistant, non flammable, IP66
• Physical: 5.11”x 5.11” x 2.95” (13.0 x 13.0 x 7.5 cm)
• Weight: 14.2 oz.
SPECIFICATIONS
TOXALERT INTERNATIONAL, INC., P.O. BOX 159, MOUND, MINNESOTA 55364 (952) 472-4541 FAX (952) 472-4960
Visit our website at www. toxalert. com
INSTALLATION INSTRUCTIONS
1. INSTALLATION (For specific
details see sensor manual)
Locate a mounting location away
from direct fresh air intakes, and
mount vertically on wall or support
column approximately 3 to 6 feet
above floor. Refer to figures 1 and 2;
Table 1 and 2 and installation instruc-
tions in GVU series control unit data
sheet and install the GVU-NO
2
sensor as follows.
2. MOUNTING SENSOR
Install the module housing onto the
end of the supply conduit and bolt
into position as required.
3. SENSOR WIRING
WARNING: To prevent fire or shock hazard, turn
off power source to control unit before making
connections. Comply with all local building codes and ordinances.
Figure 1: