4000 counts multimeter, environmental measurements, P 3690

Digital multimeter with four environmental measurement functions. An integrated sensor at the top of the instrument measures and records humidity and ambient temperature, which can affect measurements by other instruments. An included type K thermocouple measures surface temperatures. Illuminance measurement in lux assesses workplace and room lighting. Sound-level measurement is suitable for locations with excessive-noise risk and general volume measurements. Also includes multimeter functions such as voltage, current and resistance measurement.