Product Spec.
*In-Out Door Max-Min Thermometer with Hygrometer
*Lcd Display Size:54.5X56.5mm
*Selectable °C or oF Display by slide Switch 
*Temperature Range:
Indoor: -10°C ~50°C（14°F ~122°F）
Outdoor: -50°C ~70°C（-58°F ~158°F）
*Max-Min Memory Function
*Use 1X1.5 volt AAA battery with a meter waterproof sensor wire *Humidity Range:25%RH~98%RH 
温度测量范围
室内： -10°C ~50°C（14°F ~122°F）
室外： -50°C ~70°C（-58°F ~158°F）
湿度测量范围：25%RH~98%RH
准确度： ±1°C   ±5%RH
外观尺寸：12.5X7X1.92cm
液晶尺寸：54.5X56.5mm
2米温度传感器(TA318)

Internal and external thermometer/hygrometer operation instructions of flat TA318

Characteristic:

*3 line lf LCD display

*Show the outdoor temperature/humidity and indoor temperature/humidity at the same time.

*Select℃or℉anytime by pushing the buttons on the back of the instrument.

*Recording the highest or lowest temperature/humidity value every day.

*The instrument has one string to deduct location behind one’s back prop up the board,

can hang on the wall or put on the desk

*Max outdoor temperature sensing distance:2M

Temperature survey range:

Outdoor:-50℃to 70℃                    -58℉  to  158℉

Indoor:-10℃to 50℃                      14℉  to  122℉

Analyze degree:0.1℃  

Accurate precision:±1℃

Humidity survey range :25%RH   to    98%RH

Analyze degree:1%RH

Accurate precision:±5%RH

Change the battery :Use the battery (1.5VDC) of AAA Size

Please change the battery according to the following steps:

1,the battery opened below the support is covered;

2,put the battery in accordance with the instructions of straight negative pole;

3,cover the battery properly to cover.

The outdoor and indoor temperature/humidity survey method:

*Press MAX key and measure the highest temperature/humidity value inside and outside the room of the environment at present.

*Press MIX key and measure the lowest temperature/humidity value inside and outside the room of the environment at present.

*The internal and external the highest temperature/humidity or the lowest temperature/humidity of environmental room is written down to press RESET key and remove at present, quantity is examined and will go on automatically again.