Protmex HT633 Wood Moisture Meter User Manual

Protmex HT633 Wood Moisture Meter

Before using the instrument, please read this manual carefully, and save it well for future use.

Safety information

Warning : Before using this product, please read this manual carefully and be familiar with the operation of the product, Keep this manual properly so that you can refer to it when necessary.

Precautions to avoid personal injury or instrument damage

• Operate the product correctly within the parameters specified in the technical data sheet according to the purpose Of the product.
• DO not store this product with solvents, acids, or other corrosive substances.
• Be careful of personal injury caused by electrodes. Please cover the protective cap when the product is not in use.
• Do not touch the electrode with any charged object to avoid damaging the product.

Product Description

This product is a DC resistance type (pin type) material moisture meter, commonly used to measure the moisture content of wood or building materials. The moisture content of the material is displayed directly as a percentage. The instrument has built-in characteristic parameters of 7 different kinds of wood and building materials. This measurement can provide a basis for the need for further drying. In addition to measuring the moisture content of the material, the ambient humidity and temperature can also be measured so that the dry environment can be evaluated directly on site

Function features

• Built-in characteristic parameters of 7 different kinds of wood and building materials
• Single point measurement
• Multi-point average measurement
• Data hold
• Maximum and minimum measurement
• Automatic shutdown (can be canceled when the user starts up)
• Ambient temperature measurement
• Environmental humidity measurement
• Low battery indicator

Meter Description

1. Protective cap
2. Measurement pins
3. LCD
4. Function keys

Press key description:

• Power on/off key
• Data hold key
• Temperature unit selection key
• Measure material category selection key
• Max/Min data key

Measurement operation

Attention
In order to ensure the accuracy of the measurement readings, please select as many points of average measurement as possible. Be sure to measure moisture along the grain.
The values shown are closely related to the building materials/manufacturers and the surrounding environment. Sometimes even for the same material, there will be great differences between different batches

Meter testing

1. Press the key to turn on the power and enter the measurement mode.
2. Press the key to select the measured material category as A, and the material category letter is displayed in the lower-left corner of the display.
3. After selecting the material category, remove the protective cap, insert two test pins of the instrument into the test contacts on the protective cap at the same time, and ensure good contact.
4. Press the key to hold the measurement result and the symbol.”H” is displayed on the LCD screen.
5. Read the measurement result from the display.
6. When the measurement is finished, please put the protective cap on in time.

Other operations

Auto shut down
Without any operation, the meter will automatically shut down after about 10 minutes to save battery energy. If necessary, you can cancel the automatic shutdown function as follows::
Press and hold the key, and then turn on the power. The automatic power off will be canceled, and the symbol will be hidden. so the user needs to turn the power off manually.

Maximum and minimum measurement
Press to turn on the function of maximum and minimum values, and then press this key to view the maximum and minimum values in cycles; press and hold for about 2 seconds to exit the function Of maximum and minimum values.

Red, Orange, and Green tricolor Backlight

Automatically match the appropriate color backlight according to the moisture content

• Red backlight: High moisture content, showing the letter W
• Orange backlight: Moderate moisture content, showing the letter M
• Green backlight: Low moisture content, showing the letter D

Moisture content range for three color backlight

Material category selection

• Press   key to select the A-G material category number. Please refer to the material comparison table for material number selection.

Temperature unit selection

• Press to change the temperature unit.

Technical

Sensor : Resistance type (conductivity measurement), high precision temperature and humidity sensor

Measurement Range/ Accuracy:

• MaterialA: 9.0%~s7.0% ±2.0%
• Material B: 7.0F52.0%
• Material C: 0.90F23.O%
• Material D: o.o%~12.0% ±2.0%
• Material E: 0.7%~9.0% ±2.0%
• Material F: o.s%~1Q.0% ±2.0%
• Material G: o.o%~17.0% ±2.0%

Temperature &Humidity specification

• Ambient temperature: -20.o~Go.o·c (-4.0~14o’F) ±1.s ·c
• Ambient humidity: 0.0~99.9% ±4.0%RH
• Use environment: -10 ~so·c / 20 ~90%RH
• Storage environment: -10 ~5o•c / 20 ~90%RH
• Power: 3×1.5V AAA Alkaline battery

Maintain
Battery replacement

1. Turn off the power
2. Use a screwdriver to loosen the screws on the battery cover and open the battery cover.
3. Remove the old battery and replace it with a new battery of the same type (3 x 1.SV AAA alkaline battery)
4. Then close the battery cover and lock the battery cover with screws.
   Note : Pay attention to the polarity of the battery when replacing it

Clean

Clean the meter surface with a mild detergent and a slightly wet cloth

Material comparison table

Calibration Tables of Wood

Documents / Resources

| Protmex HT633 Wood Moisture Meter [pdf] User Manual
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