Wood moisture meter moisture analyzer through HF electromagnetic sensing moisture detector

Function selection

1) In the voltage range, press "FUNC" key, will be in the AC voltage, DC voltage cycle between the switch.

2) In the resistor, diode, buzzer file, press the "SEL" button, will be in the resistance, on-off detection, diode three file cycle switch.

3) In the frequency, duty cycle file, press the "FUNC" key, will be in the frequency, duty cycle between the switch.

4) In the temperature range, press the "FUNC" key, will be in degrees Celsius and Fahrenheit cycle switch.

5) In the current file, press "FUNC" key, will be in the AC current, DC current cycle between the switch

Automatic shutdown

1) If there is no operation for any 15 minutes after power on, the instrument will go to sleep automatically to save power. 1 minute before the shutdown, the buzzer has 5 prompts, shut down before a long sound into the dormant state. (Note: automatic shutdown is still 3 ~ 5uA of the working current, a long time do not use the best to go to OFF or unplug the battery)

2) automatically shut down, press the FUNC key, the instrument to resume working status. Or turn the knob switch to OFF, and then rotate to the desired range.

3) If the "FUNC" key is pressed while the unit is turned on, the auto power off function is canceled. 13

Technical indicators

Ambient temperature: 23 ± 5 ℃ Relative humidity: <75%
3.2.1 True rms zero input
3.2.1.1 The measurement of sine wave signal, the use of true RMS measurement method than the traditional average response method error is small.
3.2.1.2 True RMS The instrument can accurately measure the sine wave signal, but if it is on the AC function, the instrument may display 1 to 50 if the measured signal is not input (shorted at the AC voltage range and the input terminal) Word between a reading. These deviations are normal. Within the specified measuring range, they do not affect the accuracy of the multimeter to measure alternating current.
3.2.1.3 True RMS requires that the input signal reach a certain level for measurement. Therefore, the AC voltage and current range is specified between 2% and 100% of full scale.


3.2.2 DC voltage

- Input impedance: 10MΩ
- Maximum input voltage: 600V DC or 600V AC (rms)
Note:
In the small voltage range, the pen is not connected to the circuit under test, the instrument may have beating the reading,
This is normal, this is because the instrument caused by high sensitivity, does not affect the actual measurement results.


3.2.3 AC voltage

- Input impedance: 10MΩ

- Maximum input voltage: 600V AC (RMS) or 600V DC

- Frequency range: 40 ~ 1000Hz True RMS

Note:
In the small voltage range, the pen is not connected to the circuit under test, the instrument may have beating the reading,
This is normal, this is because the instrument caused by high sensitivity, does not affect the actual measurement results.

3.2.4 Alternating current

- Overload protection: mA range fuse (self-recovery fuse 200mA / 250V)
10A range without insurance
- Maximum input current: mA: 600mA DC or AC rms;
10A: 10A DC or AC rms;
When the measured current is greater than 5A, the continuous measurement time is not longer than 15 seconds, after the measurement to stop the current measurement for more than 1 minute.
- Frequency response: 40Hz ~ 1000Hz True RMS.

3.2.5 DC

- Overload protection: mA range fuse (self-recovery fuse 200mA / 250V)
10A range without insurance
- Maximum input current: mA: 600mA DC or AC rms;
10A: 10A DC or AC rms;
When the measured current is greater than 5A, the continuous measurement time is not longer than 15 seconds, after the measurement to stop the current measurement for more than 1 minute.


3.2.6 Frequency

- Overload protection: 250V DC or AC (rms)
- Input voltage range: 600mV ~ 10V AC (with the measured frequency increases, the input voltage should also increase)


3.2.7 Duty cycle

- Frequency response: 10 ~ 10MHz

- Input voltage range: 600mV ~ 10VAC (with the measured frequency increases, the input voltage should also increase)

- Maximum input voltage: 250V AC (rms)

Resistance

- Open circuit voltage: approx. 1.0V
- Overload protection: 250V DC or AC (rms)

Transistor test

Capacitance

- Overload protection: 250V DC or AC (rms)

Temperature test

- Overload protection: 250V DC or AC (rms)

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