Handheld Humidity Meter HK-J8A103

Product catalog summary

Overview: This document provides detailed information about a high precision, multi-function digital temperature and humidity data logger. It includes specifications, operational procedures, and maintenance guidelines.

Specifications:

Temperature Measurement Range: -40 to 125°C (-40 to 257°F)
Humidity Measurement Range: 0 to 100% RH
Accuracy: ±0.1°C at 25°C for temperature, ±1.5% RH for humidity (0% RH to 80% RH at 25°C)
Resolution: 0.01°C/°F for temperature, 0.1% RH for humidity
Sampling Frequency: 1 time per second
Power: 9V battery, approximately 300 hours of battery life
Data Storage: 99 groups, 32,000 records
Operating Environment: 0 to 40°C (32 to 104°F), <80% RH non-condensing
Storage Environment: -10 to 60°C (14 to 140°F), <80% RH non-condensing
Weight and Size: Approximately 200g, 215mm x 58mm x 33mm

Key Features:

Sensor and Protection Housing: Ensures durability and accuracy.
Display Screen: Shows current readings and settings.
Data Storage and Retrieval: Can store up to 99 sets of readings, with easy retrieval options.
Temperature Unit Selector: Allows switching between °C and °F.
Dew Point and Wet Bulb Temperature: Provides additional temperature metrics.
Max/Min Recording Mode: Captures and displays maximum and minimum readings.
Data Hold Function: Freezes the current reading for review.
Automatic Power Off: Conserves battery life by shutting down after 20 minutes of inactivity.

Operation:

Start Measuring: Remove from casing, power on, and allow time for stabilization.
Data Hold: Press the HOLD button to freeze the current reading.
Max/Min Mode: Use the MAX/MIN button to toggle between maximum and minimum readings.
Recording: Connect to a computer via USB to set recording parameters, then use the REC button to start/stop recording.

Maintenance and Safety:

Cleaning: Use a clean, wet cloth with detergent; avoid corrosive substances.
Battery Replacement: Replace when low power symbol appears; dispose of batteries properly.
Sensor Care: Avoid touching or exposing the sensor to sunlight or liquids.
Storage: Use a protective case when not in use to prevent contamination.

Cautions: Exposure to extreme conditions or chemical vapors may affect accuracy. Ensure proper handling and storage to maintain instrument integrity.

Catalog excerpts

High precision, multi-function, digital temperature and humidity data logger 1.Sensor and protection housing 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 8.Maximum value and minimum value button 9.Data hold button 10.Data invocation 1.Data hold is enabled and the display freezes the current reading 2.Max min recording mode enabled, showing Max reading, min reading 3.Display wet bulb temperature or dew point temperature 5.Display the reading from memory 6.Memory location number taken from memory reading 7.Unit of measurement for relative humidity 8.Temperature unit

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10. Connect to computer USB logo 11. Recording marks 12. Record full mark Notes： The DC9V power interface and Macro USB interface are located on the side of the thermohygrometer, and the battery position is on the back of the thermohygrometer. Take out the meter from protective casing, press the button in the upper left to open the instrument; Keep the meter in the environment to be measured and take appropriate time to stabilize the reading;Press the °C. °F key to select the temperature unit to read. When the meter is just started, it shows the ambient temperature. To show dew point temperature...

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location.If you want to clear all 99 memory locations hold dat, press button and at least 5 seconds. Hold down button 3 seconds, turn on or turn oﬀ the backlight.least 5 seconds. The temperature and humidity meter has recording function. Please connect the meter to the computer via Marco USB before starting the record. The Smart Logger upper computer software was used to set the instrument. Set the record start mode to By Button. After setting the parameters, disconnect the instrument from the computer, press the REC key to start the recording function, long press the REC key to pause the recording....

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Speciﬁcations Probe type Measuring temperature -40~125℃(-40~257℉) Environment temperature Measurement range Sampling frequency Probe type Measurement range Response time Wet bulb temperature range Dew point temperature range store-in Power Battery life About 300 hours use 6LR61 9V alka（ line battery） Operating environment storage environment

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.

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