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AD-12 Data Sheet



AMMONIA GAS DETECTOR

AD-12

• CONNECTS TO ALARM CONTROL PANELS
• TWO RELAYS AT TWO LEVELS OF DETECTION
• WIDE POWER SUPPLY RANGE: 10 to 26 Vac or Vdc
• EXPLOSION PROOF DESIGN: IGNITION PROTECTED
• WIDE OPERATING TEMPERATURE RANGE: -40 to 100F
• MAINTENANCE FREE ELECTRONIC SENSOR, SUPERVISED
• SMALL, COMPACT, MOUNTS ON 4 X 4 ELECTRICAL BOX
• STANDARD CALIBRATION: 25 & 100 ppm (Parts Per Million)
• SPECIAL CALIBRATIONS ARE AVAILABLE

SPECIFICATIONS

SIZE: 41/2x41/2x2inches
SHIPPING: one pound
VOLTAGE: 10 to 26 VAC or VDC
POWER: 1.0 VA
COLOR: white
ALARM SET POINT: 25 & 100 ppm Ammonia
RELAY MAX RATING 1 Amp, 125 V, 30VA
RELAY TIME DELAY One minute
RELAY CONTACTS: Two, dry, SPDT
OPERATING TEMP. RANGE: -40° to 100° F
DETECTOR SPACING: 30 feet, 900 sqaure feet
CONNECTIONS: 8 @ number 20 wires
RESPONSE TIME: 3 minutes

INTERFERENCES

When the AD-12 is set to 100 ppm, the following approx. gas levels can cause an alarm:
NATURAL (METHANE): 10,000 ppm
PROPANE, BUTANE, LP: 4000 ppm
CARBON MONOXIDE: 600 ppm
HYDROGEN: 100 ppm
ETHYLENE OXIDE: 100 ppm
REFRIGERANT R-11: 10,000 ppm
REFRIGERANT R-12: 10,000 ppm
REFRIGERANT R-22: 1000 ppm
REFRIGERANT R-502: 1000 ppm

NOTE: Ammonia is lighter than air: Mount AD-1 high.

OPTION: AD-12-H detector with an operating temperature range of 0 to 150°F.

Manufacured By: Macurco Inc.

Distributed By Engwald







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