Huato HE710 User manual

HE71x SERIES
Operation manual for Dew point & Wet bulb thermo-hygrometer

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HE71x series (including HE710，HE715）Dew point & Wet bulb thermo-hygrometer,they are
Comprehensive temperature and humidity measuring instruments which can measure the RH, air
temperature,temperature for DEWP as well as temperature for WBT ,it has the advanced functions which
including automatically turn off, backlight,check for MAX and MIN value.
HE71x series thermo-hygrometer designed by HUATO company,and also enjoy the development and
production of this model ,it adopts Switzerland digital temperature humidity integration sensor.The
ergonomic design,accuracy measurement,convenient operation,suitable for all kinds of professional
environmental measurement for air temperature and humidity .
1.1 Production Features
zThe fixed value for checking the MAX and MIN recording data.
zLCD display temperature and humidity simultaneously.
zOne switching button for ℃/℉/K.
zAdopt Switzerland digital temperature humidity integration sensor.
zSpecial design , elegant appearance,and ergonomic design can protect the sensor well.
1.2 Applications
Agricultural research fields,food industry,medical industry,chemical industry,weather station,
environmental protection as well as laboratory fields etc.
1.3 Performance Parameter
Measurement Range Temperature：-20~+70℃(- 4~+158℉) Humidity：0~100%RH
Temperature for Dew Point DEWP：-21.6~70.0℃(-6.9~158℉)
Temperature for Wet Bulb WBT：-78.7~70.0℃(-99.9~158℉)
Resolution RT：0.1℃/℉ RH：0.1%RH
Temperature for DEWP：0.1℃/℉Temperature for WBT：0.1℃/℉
Accuracy Temperature：±0.5℃（HE710）/ ±0.3℃（HE715）
humidity：±3%RH（HE710）/ ±2%RH（HE715）
Record Volume 99 Groups
Display LCD double display,display temperature and humidity simultaneously.
Response Interval 1.5s
Operation
Environment 0-80%RH, 0-50℃
LCD Display 54 x44 mm
Size 275(L) x 96(W) x 44mm(T)
Weight 290g
Power Supply 9V square battery
Power Consumption
Index 2.5mA（Backlight on）/ 1mA（Backlight off）
Accessories Battery,operation manual,tool box
Optional Accessories Tripod, spare battery

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1.4 Dew point/wet bulb/temperature and humidity quick start
LCD Display MAX/MIN：Maximum and minimum
checkin
g
buttons
CFK：Switching button for ℃/℉/K
temperature MEM：Manual recording data checking button
SETUP：Enter into the model of setup ,and
set temperature and humidity value. Model label
ON/OFF USB port
DEWP：Switching button for Backlight
/temperature for DEWP/temperature for Hole for fixed frame
READ：Button for checking the recording
data during normal working status Battery cover
HOLD：Holding the fixed measuring data
Status during normal working status.

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1.5 LCD display instructions
This symbol shows it enters into the setup status for temperature and humidity offset.
Humidity value display area.
Temperature value display area.
This symbol shows being the status of temperature measuring for DEWP.
This symbol shows being the maximum temperature and humidity data checking status.
This symbol shows being the minimum temperature and humidity data checking status.
This symbol shows being the status of temperature measuring for WBT.
This symbol shows beginning to enter into the manual-recording data status.
Battery status indication,if it is full,it indicates the power is enough,and if it is empty,it indicates the
power is not enough,please replace it with new batteries.
Capacity display area for auto-recording and manual-recording data.
Capacity display area for auto-recording and manual-recording data.
Year/month-date/clock alternate display area.
Temperature symbol display area.
Humidity symbol display area.

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1.6 Instructions for buttons function
Buttons Introduction for buttons operation
ON/OFF : in the status of off ,click to turn on the instrument,and in the status of on,click
to turn off the instrument.
℃/℉/K switching button: click it to switch the ℃/℉/K temperature.
Button for setup mode:click to set calibration for temperature deviation ,click
again to set calibration for temperature deviation,finally click to save the settings and exit
the current mode.
Under setup mode,it has the setting functions as follows:
1）calibration for temperature deviation: click up down to change the
values,when click up once,it indicates the temperature will decrease 0.1, when
click down once,it indicates the temperature will increase 0.1.
2）calibration for humidity deviation: click again and then click up down
to change the values,when click up once,it indicates the humidity will
decrease 0.1, when click down once,it indicates the humidity will increase 0.1.
Click again to save the settings and exit the current mode.
3）SETUP DEL MEM: click again ,it will show “DEL DATA XX”in the left corner
of LCD,click up ,it will show “DEL DATA 00”,it indicates to delete the log
data,click down ,it will show“DEL DATA XX”,it indicates don't delete the log
data.Click again to save the settings and exit the current mode.
Switching button for air temperature/backlight/temperature for DEWP/temperature for
WBT:
（1） The backlight is closed during normal air temperature status.
（2） Click to open the backlight, after 15 seconds the backlight will close
automatically.
（3） Click again to show DEWP, it shows the measurement temperature value for
DEWP.
（4） Click again to show WBT,it shows the measurement temperature value for WBT.
（5） Finally click to switch to the normal status for air temperature.

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1）Direction button during the setup mode.
2）Manual data checking button during the normal working mode :click to check the log
data,it shows READ DATA and data groups,click up and down to change
the data groups, and press long for 3 seconds to the disappearance of READ DATA
and data groups ,exit the current mode for checking the log data.
MAX/MIN :click to show MAX ,it enters into the MAX measurnent fixed status,and click
again to show MIN ,it enters into MIN measurement fixed status. When it neither shows
MAX nor MIN,it shows the current measurement value.
Button for clock symbol ：the clock symbol doesn't flicker in normal status,and click it
once,the clock symbol will flicker and click again it will get back to the normal status.
1) Direction button during the setup mode.
2）Button for manual-recording data during normal working status: click it once,it will
store the current measuring data,total in 99(capacity).The manual recording data and
data number will disappear automatically after 5 seconds.
HUATO ELECTRONIC (SHENZHEN) CO., LTD.
Address: F3 of Building 1, Taohuayuan Technological Innovation Zone, Xixiang Street, Baoan District,
Shenzhen, China.
After-sales service hotline：[phone] Fax：[phone]
Website：http://www.huato.cn (V1.0B924)