Microprocessor control, built-in program automatic protection measures, good stability. Fast measurement speed and wide range.Backlight liquid crystal display technology, clear display, low power consumption. Small size, light weight, strong anti-interference performance, can be carried around in the scene for rapid testing. HM580 is widely used in agriculture, food, pharmaceutical, portation, scientific research, health and quarantine, environmental and other industries, and is suitable for on-site measurement in machine rooms, buildings, offices, supermarkets, , production workshops, warehouses, machine rooms, construction sites and other occasions. Specifications ● Test parameters: humidity, temperature, wet bulb temperature ● digital sensor ● Sampling time: 0.4 seconds ● hold function. ● Humidity Range: 10-95RH% ● Humidity display accuracy: 0.1RH% ● Humidity measurement accuracy: 2%±1%RH ● Temperature Range: -20°C~60 °C (4°F~140°F) ● Temperature display accuracy: 0.1 °C / 0.1 °F ● Temperature Accuracy: ±0.4°C ● Wet bulb temperature range: -20°C~60 °C (4°F~140°F) ● Wet bulb temperature display accuracy: 0.1°C / 0.1 °F ● Wet bulb temperature accuracy: ±0.4°C ● Power supply: 4 x 7 batteries (not included) ● Optional: USB output or Bluetooth output Color: As Shown Material: plastic Package Contents: 1* Detector Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.