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SISCO Dew Point Meter HG983 User Manual ●Please read this manual carefully before use ●The company reserves the right to interpret the specification ●Please refer to the actual product for its appearance ●No prior notice if the product technology or software upgrade...
1 Product introduction Thank you for purchasing our HG983 handheld multi-function digital dew point meter, which is an industrial grade, high precision temperature and humidity measurement instrument. The instrument is powered by a 9V battery. It can measure humidity, temperature, dew point temperature, wet bulb temperature with an external high-precision probe.
Function Keys 2.Display screen 3.Power switch 4.°C and °F unit selector switch 5.Dew point temperature/wet bulb temperature /ambient temperature selection 6.Data store 7.Record button 8.Maximum and minimum button 9.Data hold button 10.Data invocation <Display indication> 1. Data hold is enabled and the display freezes the current reading Max min recording mode enabled, showing Max reading, min reading 3.
Operation <Start Measuring> 1) Take out the meter from protective casing, press the button in the upper left to open the instrument; 2) Keep the meter in the environment to be measured and take appropriate time to stabilize the reading; 3)Press the °C.
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<Data-hold> Press the HOLD button to HOLD the read value displayed, the meter stops measuring.“ ”will appear on the screen. Pressing HOLD again can return to normal working mode. <Save and invoke readings> 1)The meter can hold up to 99 sets of read values for later calls. Each memory location holds relative humidity as well as ambient, dew point, and wet-bulb temperature values.
instrument will automatically turn off the backlight function after 2 minutes of keyless operation. When the memory is FULL or the specified number of records is reached, the meter will automatically shut down. When the memory is FULL, the LCD screen will display the FULL icon. <Auto power-off>...
Specifications Environment temperature Measurement range -30 至 100°C (-22 至 212°F)(probe only) Accuracy ±0.1 °C @25°C Resolution 0.01 °C/°F Sampling frequency 1 time per second Relative humidity Measurement range 0~100%RH ±1.5%RH(0%RH~80%RH,25℃) Accuracy Resolution 0.1%RH Response time Less 10S (90% 25℃,wind speed 1m/s) Dew point temperature Dew point temperature -50 ~ 80 °C (-58~176 °F)...
7 Calibration steps description 1)Connect the handheld meter to a computer using a USB cable, and open the SmartLogger software 2.1)Select the corresponding handheld meter 2.2)Click the "Options" function, 2.3)Select "Calibration Adjustment" 2.4)Enter "000000" and click "OK" 3.1)Fill in the standard and measured values of temperature and humidity 3.2)click "Apply"...
8 Test software download Software download link: www.hkometer.com/download/ 9 Precautions 1.Do not touch the sensor with your hands or blow; 2.Do not expose the sensor to sunlight. 3.Do not immerse the sensor or meter in the liquid. 4.The use of environment can not have polluting gas (acid); When this instrument is used to measure the humidity of the chemical vapor, the diffusion of chemical substances in the sensor results in the decrease of the accuracy and sensitivity of the instrument, which can be placed in a pure environment for a long time and can be recovered slowly.
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