Operating instructions for the MasterCool 55975 combustible gas leak detector, covering specifications, LED indicators, keypad functions, sensitivity…
The MasterCool 55975 is an intelligent combustible gas leak detector using a low-power tin oxide sensor with a microprocessor for automatic optimization. It detects a wide range of combustible gases with sensitivity down to 50-1000 ppm and response time under one second.
The unit features three sensitivity levels (low, medium, high), high/low range modes, audible volume control, battery preservation with auto-shutoff, and interference detection to reduce false alarms. The flexible 15.5-inch probe and LED status indicators assist in locating leaks, while the manual provides quick-start guidance and maintenance steps including battery replacement.
| Sensing Element | Tin Oxide Element |
|---|---|
| Sensor Life | 2000 hours |
| Ultimate Sensitivity | 50 - 1000 ppm |
| Detects | Combustible gases (Acetone, Acetylene, Ammonia, Benzene, Butane, Butanol, Chlorine, Ethane, Ethanol, Gasoline, Hexane, Hydrogen, Hydrogen Sulfide, Isobutane, Methane, Methanol, Methyl Acetate, Methyl Chloride, Methyl Ether, Naptha, N-Butane, Pentane, Propane, Propanol, Sulfer Dioxide, Trichloroethane) |
| Response Time | Less than 1 second |
| Battery | 2 C Alkaline 6000 mAh batteries |
| Battery Life | 30 Hours |
| Operating Temperature Range | 0˚F to 120˚F |
| Weight | 1.08 Lbs |
| Super Sensitive Function | Allows further sensitizing beyond standard settings for locating small leaks |
| Probe Properties | Intelligent tip with environment sensing, flexible 15.5 inch probe length |
| Display Properties | Status Indicators: three vertical LEDs; LED #6 low battery, LED #5 high range, LED #4 low range; Warm-Up Status: six LEDs sequence down to one green |
The sensor life is 2000 hours.
It detects combustible gases including acetone, acetylene, ammonia, benzene, butane, and many others.
Press the HML key to cycle through high (red), medium (yellow), and low (green) sensitivity levels.
The battery life is 30 hours using two C alkaline 6000 mAh batteries.