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 
溫度測量范圍
室內(nèi)： -10°C ~50°C（14°F ~122°F）
室外： -50°C ~70°C（-58°F ~158°F）
濕度測量范圍：25%RH~98%RH
準(zhǔn)確度： &plun;1°C   &plun;5%RH
外觀尺寸：12.5X7X1.92cm
液晶尺寸：54.5X56.5mm
2米溫度傳感器(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 hight or lowt 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 dk

*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:&plun;1℃

Humidity survey range :25%RH   to    98%RH

Analyze degree:1%RH

Accurate precision:&plun;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:

*Prs MAX key and measure the hight temperature/humidity value inside and outside the room of the environment at prent.

*Prs MIX key and measure the lowt temperature/humidity value inside and outside the room of the environment at prent.

*The internal and external the hight temperature/humidity or the lowt temperature/humidity of environmental room is written down to prs RET key and remove at prent, quantity is examined and will go on automatically again.