Review on π Forensics 4 Gas Monitor with USA NIST Calibration: O2, CO, H2S, LEL, USB Rechargeable by Abdullah Huan
Inexpensive and easy to use
Easy to use and good for getting into tight spaces. The only downside is that the calibration cap needs to be screwed on, which is fine, but the screw doesn't stay on the cap and can easily be lost. It would be nice to have a retainer on the screw so it doesn't get lost from the cap, or a clip design on the calibration cap for the block. The price is not critical, but if something better appears, it would be nice.
- Sturdy design
- Some difficulties
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