This is a battery meter for measuring relative humidity and temperature.
Can display three types of temperatures around the sensors air via several convenient procedures : The ambient temperature， the dew-point temperature and the wet bulb temperature. 
 

Specifications :
 

Ambient Temperature

Range : -20 to 60°C (-4 to 140°F)

Precision : ±0.5°C (0 to 45°C)

±1.0°C(-20 to 0°C，45 to 60°C)

Resolution : 0.1°C/°F

Update rate : 400ms

sensors type : High-Precision digital sensor(SHT75)

Relative Humidity

Range : 0 to 100%RH

Accuracy : ±2.0% RH(10% to 90%)

±3.0% RH(0% to 10%，90% to 100%)

Resolution : 0.1%

Update rate : 400ms

Sensors type : High-precision digital sensor(SHT75)

Wet Bulb

Range : -20 to 60°C (-4 to 140°F)

Precision : ±0.5°C (0 to 45°C)

±1.0°C(-20 to 0°C，45 to 60°C)

Resolution : 0.1°C/°F

Update rate : 400ms

Dew Point

Range : -50 to 60°C (-58 to 140°F)

precision : ±0.5°C (0 to 45°C)

±1.0°C(-50 to 0°C，45 to 60°C)
 

Resolution : 0.1°C/°F

Update rate : 400ms

Data Hold : √

Display Back Light : √

MAX/MIN : √
Low battery indication : √

Data Logging : Up to 100 groups

Power Supply : 4 x 1.5V AAA Batteries(Not included)

Package size : 23 x 11 x 6cm / 9.1 x 4.3 x 2.3in

Package weight : 267g / 9.4oz

Package included :
 

1 x HYELEC MS6508 Digital Temperature Humidity Meter
1 x Portable Bag

1 x English Manual

Good News: The logo of HYELEC will be upgraded to PEAKMETER on March 1， 2016. Even though the logo will be upgraded， after-sales service won't be affected， including HYELEC and PEAKMETER.

Details pictures :