Langder offers air quality monitors, digital thermo-hygrometers and handheld metal detectors for monitoring environmental conditions and locating metal objects.
Langder products include air quality monitors, digital thermo-hygrometers, oxygen detectors and handheld pinpointing metal detectors. Measurement capabilities vary by model.
Browse Langder manuals for setup, charging, battery replacement, display settings and troubleshooting. Match your model number and device layout before following instructions.
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Common questions about manuals, registration, and support for this brand.
Match the model number on your device or packaging with the manual title, then check that the controls and device layout match.
Press and hold the power button for three seconds. If it does not turn on, charge it first. Allow the approximately three-minute sensor warm-up sequence to finish before reading measurements.
Press the temperature unit switch button once to switch between Celsius and Fahrenheit. Check the matching manual for the button location and battery requirements.
Check the documentation supplied with your product or contact the seller. No dedicated Langder warranty or product registration page has been verified.
The 191-870-99992 manual says to ensure the battery cover is tight and sealed before water use. Follow the waterproofing instructions and limits for your exact model.