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FREQUENCY MEASUREMENT
1) Set the function switch to the Hz position.
2) Insert the black test lead banana plug into the negative COM jack.
3) Insert the red test lead banana plug into the positive VHz% jack.
4) Touch the test probe tips to the circuit under test.
5) Read the frequency in the display. The digital reading will indicate the
proper decimal point, symbols (Hz, kHz, MHz) and value.
MEASUREMENT SPECIFICATIONS
The following guide is based on an environmental temperature of 18-
28°C and humidity <70%.
SOUND LEVEL
Measurement Range: 35 to 100dB
Resolution: 0/1dB
Typical Instrument
Frequency Range: 30Hz to 10kHz
Frequency Weighting: C - weighting
Time Weighting: Fast
Accuracy: ±5db at 94db sound level, 1kHz sine wace
Microphone: Electric condenser microphone
5-2 LIGHT
Measurement Range: 4000, 40000 Lux
(40000 Lux range reading x10)
Overrate Display: Highest digit of “OL” is displayed
Accuracy: ±5% rdg +10 dgts (calibrated to standard
incandescent lamp at color temperature 2856k)
Repeatability: ±2%
Temperature
Characteristic: ±0.1%/°C
Photo Detector: One silicon photo diode with lter
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