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0 specifications – ENMET ISA-RAL-M User Manual

Page 16

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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.