4 Pack Vacuum Cleaner HEPA Filters for Cyclonic Series RO3753EA RO3731EA RO3786EA Accuracy 0.5 Celsius, in line with standards.Automatic data, encryption protection: USB connected to the computer, automatically upload data, direct output PDF is a report, data directly read, support report encryption, data security<br> Automatic backup, easy to Plug and play, simple and efficient: U disk design, plug and play, no need to install software, simple and efficient.Accumulated over-temperature alarm.<br> Waterproof rating: Waterproof rating up to IP67, effective dust and moisture. Under normal temperature and pressure, temporarily immersed in water of 1 meter depth, will not cause harmful effects.LCD LCD screen display.Low energy consumption, long-lasting life: a of low-power chips with a nominal life of 90 days and a 20% increase over RC-5<br> Power: Built-in wide temperature CR2032 button battery or USB interface;It is mainly used to detect and record the temperature data of food, medicine, chemicals, etc. during storage and transportation. It is widely used in all aspects of warehousing, logistics and cold chain, such as reefer containers, refrigerated trucks, refrigerated bags, cold storage, laboratories, etc.<br> Specifications:<br> Temperature measurement range: -30 Celsius ~ 70 Celsius<br> Temperature measurement accuracy: -30 Celsius ~ 40 Celsius temperature range, accuracy 0.5 (Celsius); other temperature, accuracy 1 Celsius<br> Recording capacity: 32000 groups<br> Recording interval: 10 seconds - 24 hours can be set as needed<br> Resolution: 0.1 Celsius<br> Sensor: Built-in NTC thermistor<br> Data interface: USB interface<br> Data output: USB interface directly connected to the computer<br> Protection level: IP67<br> Mode: multiple on/off mode<br> Alarm: multiple temperature alarm, range alarm<br> Start mode: manual mode / timed start<br> PC software: no need to install<br> Colour:White + Orange<br> Material:ABS+electronic components<br> Size:75x33x13 mm<br> Package Contents:<br> 1 x Digital Hygrometer<br> 1 x English Instruction Manual<br> Only the above package content, other products are not included.<br> Note: Light 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.