0 specifications – ENMET ISA-RAL-M User Manual
Page 16

ENMET Corporation
ISA-RAL-M, ISA-RAH-M
12
8.0 Specifications
8.0 Specifications
ENCLOSURE:
NEMA-12 enclosure
SIZE:
Approximately 6" h x 8" w x 4" d
WEIGHT:
Approximately 10 lbs.
CABLE LENGTH:
Between box and air inlet: 8 - 10 ft.
AUDIO ALARM:
2900 Hz, 95 decibels at 2 ft.
MAXIMUM POWER:
117 Vac - 60 Hz - 25 watts 12 Vdc - 25 watts
RELAY CURRENT:
2 amp steady, 5 amp surge
SENSOR LIFE:
Up to 3 years in clean air (no oil)
RESPONSE TIME:
Up to 5 minutes for low-level carbon monoxide
gas calibrations
MAXIMUM AIR LINE PRESSURE:
250 psi
SAMPLE FLOW RATE:
Approximately one cubic foot per hour
N
OTE
:
All specifications stated in this manual may change without notice.
8.1 Typical Calibrations
Hazardous Gas
Low Alarm
High Alarm
Carbon monoxide
10 ppm
20 ppm
8.2 Options and Variations
Options:
•
220 Vac power input connection
•
NEMA-4X fiberglass enclosure
Variations:
a) Available in an explosion-proof instrument housing, Models ISA-44RALE and ISA-44-RAHE. With this, the
equipment is suitable for operation in Class I, Division I, Groups C and D atmosphere, as defined in the National
Electrical Code. Units for Group B are available upon special order. Do not use the standard ISA-RAL-M where
you are required by the National Electrical Code or local codes to use an explosionproof variety.
b)ENMET Filtration Panels filter oil, water and solid particles from compressed air. AFP-40: equipped to
distribute air to three respirators. AFP-82: equipped to distribute air to six respirators.
c) Units that also monitor for oxygen deficiency in breathing air are available; consult a distributor or the factory.