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HMC1 Bacharach
Halocarbon Detector
| Question | Answer |
|---|---|
| Is This Detector Intrinsically Safe? | No, Some gases which this instrument can detect may be combustible/flammable. This instrument is designed to alarm at concentrations that are lower than the explosive limit of the gas |
| How long does Battery operation last | 8-12 hrs |
| How long is the meters warm up time | 5 minutes, Green light flashes during warm up, goes steady once finished |
| What is the measuring range for all gases? | 0 - 10,000 ppm |
| What is the technology that is uses? | Non-Dispersive Infrared. |
| What is the response time of the meter to get readings? | -90% of response within 5 secs -100% in 7 seconds |
| how accurate are the readings? | + or - 1ppm, + or - 10% of reading from 0 - 10,000ppm |
| What is the Low Alarm set to? | 50 ppm , audible alarm |
| What is the High Alarm set to? | 1,000 ppm, audible and visual red light alarm |
| Can the Alarm be silenced? | Yes, Press silence button, alarm is silenced for 5 min, if levels remain above set limits alarm will sound again |
| How do you check the Battery Life? | The battery is always on, the green button on the battery must be pressed for 5 secs, then view the reading on the LCD screen |
| Which setting do you uses for unknown releases? | R22 - This is the one of least sensitive Halogen in library, so it will over report other halogen combinations |
| What does a Yellow light indicate? | There is Fault with the meter. (Find fault codes by clicking FUNCTION / FAULTS) and view code, there is an external list of correctable codes that can be fixed in the field, the last 30 faults can be read on the meter. |
| Whats the max length for the gas sampling line? | 50 feet |
| Whats the increase in the meter's response time for an extended sampling line? | 1 sec for every foot of hose |
| What position should the meter be operated in? | Use meter in its horizontal position (handle facing upwards). Tilting the meter to a vertical position while in operation may cause inaccurate readings |
| What does this meter detect? | Detects gases with Halogen Carbon Bonds not just halogens alone |
| What is significant to Gases assigned a R number? | When used in a closed system a rupture may cause O2 displacement |
| How many refrigerants are listed in the meters library | 40 most commonly used refrigerants |
| How does Non-Dispersive Infrared technology work | IR light goes into the sample chamber. There is an optical filter before the detector that eliminates light to look at a pre-measured wavelength of that gas. the absorbed light is compared to the selected gas and the concentration is derived from the diff |
| How can you determine what type of gas is leaking | obtain a SDS sheet from the facility or any info from the cylinder that's leaking and look for synonyms for the gas involved that may be in the library |
| What are some common refrigerants this meter won't detect and why? | -Chlorine, Bromine, Fluorine, Ammonia, Sulfur Dioxide, LPG - They do not have Halogen-Carbon bonds |
| How does the Zero Air filter work? | -scrubs air through a carbon filter to ensure accurate readings -self zeros every 4 min -auto purges every 6-8 min -replace filter after 4hrs of 10,000 ppm exposure and yearly |
Created by:
yakshave
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