Toxalert Tox-Refrig/ANA - Manual (Page 3)

AEL - Acceptable Exposure Limit - TWA - 8 hours/day, 40 hours/week.
PEL - Permissible Exposure Limit - TWA - 8 hours/day, 40 hours/week.
IDHL - (Immediately Dangerous to Life and Health) the maximum concentration from which
unprotected persons are able to escape within 30 minutes without impairing symptoms or irreversible health
effects.
UNIT INDICATORS:
Refer to Figure 1.
The Tox-Refrig/ANA has the following to assist in
installation and system diagnostics:
1. Test points (which are receptables for voltage meter probes):
- Signal out (voltage)
- Heater voltage
2. Visual indicator (LED) of sensor check
3. Potentiometer adjustments for
- Zero
- Span
- Heater voltage
SPECIFICATIONS
• Type: Metal oxide semi conductor sensor
• Range: 10 to 500 PPM
• Response Time: 80% in less than 30 seconds
• Sensing Element Life: 4 years in normal service
• Electrical Data:
Input voltage: 24VDC nominal (14 to 30VDC)
Input power: 2.1 Watts
Output signal: 4-20 mA DC non-linear
• Unit Construction:
Housing: Division 1, Class 1, Group C & D
Physical: 6.75” x 4” x 3.5” (HxWxD)
(17.1cm x 10.2cm x 8.9cm)
• Operating Temperature: 14
°
F to 104
°
F
(-10
°
C to 40
°
C)
• Storage Temperature: -67
°
F to 185
°
F
(-55
°
C to 85
°
C)
• Relative Humidity: 5 to 95% non-condensing
Loop Resistance: 800 ohms maximum
Input current: 86 mA at 29VDC
Wiring: 3 wire non-isolated
Mounting style: Surface
Weight: 2 pounds (0.9kg)
Material: Cast aluminum epoxy painted
TOXALERT INTERNATIONAL, Inc., PO Box 159, Mound, MN. 55364 PHONE: (952) 472-4541 • FAX: (952) 472-4960
www.toxalert.com