Product overview: HW100 temperature and humidity meter is a portable temperature and humidity testing equipment, selects the high performance of capacitive polymer thin film temperature sensor, humidity sensor and semiconductor type has small volume, light weight, easy to carry, multi-function, high precision, etc, applicable in the study of thermal comfort and indoor air quality assessment, validation, building HVAC system operation, heating and cooling system of air conditioning system in the process of maintenance, monitoring production operation of a variety of other fields such as temperature and humidity test. Main features: Display each parameter in real time High accuracy, high resolution and high stability Dot matrix LCD, white backlight screen Two units (℃, ℉) are free to switch, automatic memory after shutdown Three kinds of temperature: wet-bulb temperature, dew point temperature, dry bulb temperature (ambient temperature) freely switch, automatic memory after shutdown The record sampling interval is 2S Store 99 sets of test data and manually calculate the average, maximum and minimum values of the storage Automatic shutdown without operation (10 minutes) Data is saved and invoked manually It has a memory device and can record data continuously at most Usb connection charge. Specification: Model: HW100 40 ~ 125 ℃ temperature range: - (40 ~ 257 ℉) Accuracy: 10 ~ 55 ℃ to + / - 0.2 ℃ - 40 ~ 125 ℃ to + / - 0.4 ℃ (50 ~ 131 ℉ for plus or minus 0.4 ℉ - 40 ~ 257 ℉ for + / - 0.8 ℉) Resolution: 0.1 ℃ / 0.2 ℉ Type of temperature sensor: semiconductor Relative humidity range: 0 to 99.9%RH(relative humidity) Accuracy: + / - 2% RH (10 to 90% RH) @ 25 ℃ (77 ℉), plus or minus 3.0% RH (< 10, > 90% RH) @ 25 ℃ (77 ℉) Resolution: 0.1%RH Response time: up to 30 seconds Sensor lag: + / - 0.3%RH Drift: <0.5%RH/ year Type of temperature sensor: electronic capacitive polymer film Wet bulb temperature range: - 20 to 60 ℃ (140 ℉) - 4 to The dew point temperature range: - 50 to 60 ℃ (58 to 140 ℉) - Memory: 99 sets of data Power supply: 1 built-in lithium battery Battery life: number of charges: 300-500 Store environment: when you have less than 80% relative humidity (RH) - 20 to 60 ℃ (take out the battery) Working temperature: - 20 to 60 ℃ Working humidity: 0 to 55 ℃ Weight and size: 190g (battery included) 138*65*25mm
