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Related Manuals for az-instrument 8708
Summary of Contents for az-instrument 8708
- Page 1 INSTRUCTION MANUAL PEN TYPE HYGROMETER Model:8903/8904/8906 Model: 8708 8709 8709 KIT...
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Page 2: Normal Measurement
0075RH salt solution to maintain the meter to get a ccurate reading . The front panel of 8708 with TEMP (F/C) printing , instead 8709 without a button with printing F/C,CAL . NORMAL MEASUREMENT (1) Turn meter on by pressing ON/OFF button. - Page 3 READ BEFORE USE (1) Turn meter on by pressing ON/OFF button. (2) Use a pen tip to press F/C key whenever you need to. Press F/C to convert reading to desired range. Both temperature and relative humidity measurement will display simultaneously.(8709) POWER ON THE METER (1)Power on the meter by pressing ON/OFF button.
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Page 4: Min/Max Function
(2) The default setting of temperature display can be in F or C. You can press F/C button for 2 seconds to change the temperature display from C to F or vice versa. You may use a pen tip to press F/C button whenever convenient.(8709) MIN/MAX FUNCTION (1) Press and hold MIN/MAX button... -
Page 5: Data Hold Function
(3) To return to measuring mode of current temperature and humidity, press and hold MIN/MAX button until MIN or MAX disappears from the display. (4) To clear current MIN and MAX readings from memory, press and hold RESET button until the full display flashes .The meter reading turns to the normal measurement with either MIN or MAX icon , after... -
Page 6: Auto Power Off
AUTO POWER OFF Unit will turn itself off after 20 minutes. (Sleep mode).To override Auto Power Off function (Non-Sleep Mode) press ON/OFF ,MIN/MAX keys simultane- ously. After the full display appears release ON/OFF button, the display shows "n" on the screen. When "n" appears then release MIN/MAX button. -
Page 7: Check And Calibration
CHECK AND CALIBRATION The carrying case is for not only storage (see FIG1)but also calibra- tion (see FIG2). (8709 only) FIG 1 FIG 2... - Page 8 8709 and salt solution 33% ( dark brown bottle) , 75% ( blue bottle ) as well as the carry case, if you purchased model 8708 , it is the model not avail- able for checking or re-calibration . NOTE: A convenient look-up table has been built in to aid calibration.
- Page 9 (8709 only) 1.1. CHECK HUMIDITY 33% 1.1.1. Turn on the meter. Plug unit in 33% salt reference bottle and put unit into the carrying case as shown FIG2. Check the reading on LCD after 40 minutes. If the display reads between 31.5% and 34.5%, that means the meter is accurate.
- Page 10 4. Press F/C button to save the cali- bration value of 33%. The LCD shows "S" for 2 seconds and then the "%MAX" shows right up the corner of LCD. 5. Turn off the meter. The calibration of 33% is completed. B .CALIBRATION FOR RELATIVE HUMIDITY 75% 1.
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Page 11: Auto Calibration
4. Press F/C button to save the calibration value of 75%. The LCD will show " S " for 2 seconds and then resume normal measurement 5. Turn off the meter. The calibration of 75% is completed. AUTO CALIBRATION (8709 only) If you want to calibrate the meter without checking the accuracy, Please plug the meter probe into... -
Page 12: Change Battery
MATERIAL SUPPLIED The package supplied with a standard : 1) The unit 2) Battery CR2031 x1 3) Operation manual Optional accessory : ( model 8708,8709) a) 33% Salt solution b) 75% Salt solution c) Carrying Case... -
Page 13: Specification
SPECIFICATION Size: 17.5cm 4.2cm 1.6cm Battery: (1) 2032 Life-150hrs. Sensor: Electronic Capacitance Ploymer Film Sensor Accuracy: 5% from 5 to 95%RH at 25 C 1 C from~ 10 to 45 C Resolution:0.1 C/ 0.1 F Remember Low Batteries will tend to give inaccurate readings, so make sure you have good batteries. -
Page 14: Return Authorization
RETURN AUTHORIZATION Authorization must be obtained from the supplier before returning items for any reason . When requiring a RA (Return Authorization) , please include data regarding the defective reason, the meters are to be returned along with good packing to prevent any damage in shipment and insured against possible damage or loss . - Page 15 Accuracy, the Zenith of Measuring / Testing Instruments ! Hygrometer / Psychrometer Thermometer Anemometer Sound Level Meter Air Flow meter Infrared Thermometer K type Thermometer K.J.T. type Thermometer K.J.T.R.S.E. type Thermometer pH Meter Conductivity Meter T.D.S. Meter D.O. Meter Saccharimeter Manometer Tacho Meter Lux / Light Meter...
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