Hygrometers & humidity meters

A hygrometer shows the current humidity: enough for a quick check in a lab, store room or office. A model with an alarm, such as the thermohygrometer with alarm LED, also warns you when values leave the set window. A data logger records humidity over time, so you can prove conditions afterwards, for example in a cold room, an archive or a GMP storage area. The thermohygrometer with data logger and wireless sensor stores the readings for later review. If an auditor will ask for records, choose a logger. Questions: sales@luminixhealth.com.

The accuracy is on each product sheet, often with a different tolerance across the humidity range: most sensors are most accurate in the middle and less so near very dry or very humid conditions. The digital hygro-thermometer with 3 m cable, for example, gives a tighter tolerance in the middle band than at the extremes. Compare models on the range you actually work in. Check your instrument regularly against a reference, for instance with a saline reference pot for checking humidity probes, or ask for a calibration certificate: sales@luminixhealth.com.

A built-in sensor measures the air where the instrument stands, which is fine for a room or a bench. To monitor a closed space, such as a refrigerator, freezer, incubator or climate cabinet, use an external probe on a cable: the sensor sits inside, the display stays outside and you do not need to open the door. The digital thermo-hygrometer for refrigerators and freezers has a 1 m sensor cable and a magnet for mounting. The digital hygro-thermometer with 3 m cable reaches further. Make sure the cable can pass the door seal without damage.

Most instruments here measure temperature and humidity together, so one device covers both, for example the thermohygrometer with alarm LED, which reads from −40 to +70 °C. Some combined meters also calculate the dew point or measure air pressure; check the product sheet if you need those values. Dew point matters when you want to avoid condensation, for instance on cold equipment or in clean rooms. For temperature alone, or for probes in liquids and solids, see temperature measurement. Need a specific combination? sales@luminixhealth.com.

A hygrometer measures the water in the air, as relative humidity or as dew point. It is the instrument for a desiccator room, a stability chamber or a store. The sensor drifts, and the calibration is part of believing the number.

A thermometer reports a temperature. A liquid-in-glass thermometer is a calibrated column. A digital thermometer is a sensor and a display, and the sensor, not the display, is what is calibrated. An infrared thermometer reads a surface and depends on emissivity. A data logger stores the reading over time. Without a stated uncertainty and a calibration point, the number is only an indication. The scale is maintained by the BIPM and compared by EURAMET. Accreditation is BELAC.

This shelf belongs to Temperature measurement, inside Lab instruments. Luminix Health distributes this range for laboratory use.

The neighbouring shelves are Laboratory glass thermometers, Temperature probes & sensors, Data loggers, Temperature measurement accessories, Digital thermometers and Infrared thermometers. The category above this shelf is Temperature measurement.

Luminix Health distributes this range from the heart of Europe. We deliver across the EU in two to five days if in stock. Standard delivery is free from €250 excl. VAT. Cold-chain goods and dangerous goods under ADR are never included in that free delivery. The terms are in the Shipping Policy. Send a quote request, contact the team, or read who we are. The full brand index is on shop by brand.

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