Piezoelectric Transducer Sensor Lcd Digital Display Vibration Meters Handheld HG908
Small size, transducer included,
True RMS measurement.
Measuring parameters: vibration velocity, displacement,acceleration and high-frequency acceleration
9V Dry Battery powered,
Accelerometer may be integrated or external cable connected.
One button control both power and measurement.Very easy to use.
3 1/2 LCD digital display, sampling per second.
Automatic power off.
Suitable for monitoring machinery vibration caused by imbalance,misalignment, gear & bearing faults and etc.
1). Measurement condition:
Temperature: 0oC -45oC, Humidity<85%, Non cousticity environment, without strong electric-magnetic field & strong impact. It can be used in industry location by controlling the EMC environment throughout installation and/or usage.
2). Amplitude Ranges:
Displacement 1-1999mm peak-peak (*)
Velocity 0.1-199.9mm/s true RMS
Acceleration and High Frequency Acceleration:
0.1-199.9 m/s2 peak (*)
*Note: peak-peak and peak are equivalent value means: peak-peak=2.828*RMS while peak=1.414*RMS
3). Measurement accuracy: ± 5% of display ± 2 digits
Noise Level (without input): ACC<0.3m/s2, VEL<0.5 mm/s, Disp<3mm
Frequency response accuracy: ±5%; (±10% for ACC 4.5kHz-10kHz)
4). Sensor type: Shear type Piezoelectric Accelerometer
5). Frequency response: 10-1000Hz (Inside accelerometer)
10-5000Hz (Outside accelerometer, depending on model)
High Frequency Acceleration: 1000-5000Hz ±10%
6). Battery: 9V 6F22, 25 hours of continuous operation.
Standard: Outside accelerometer with magnetic mount and probe
Optional: Inside accelerometer with 2 handheld probes
8). Dimensions: 13´6´2.3 cm; Weight: 250 g.
HG908: Separate accelerometer with magnetic mount & probe, long needle probe
Battery: 9V 6F22/Rechargeable, 25/10 hours of continuous operation.
Pickup: Accelerometer with handheld probe and/or magnetic mount
Dimensions: 13×6×2.3 cm; Weight: 200 g
Optional Intrinsically safe version with internal accelerometer
1). Select the measure parameters:
HG908 has 4 vibration parameters. They are:
a) Displacement(unit: mm=1/1000 mm): Equivalent peak-peak value
b) Velocity (unit: mm/s) : True RMS Value;
c) Acceleration (unit: m/s2): Equivalent peak
d) High Frequency Acceleration (unit: m/s2): Equivalent peak
2). Functions of the M<easure> key:
a).Key press: Power on and begin measuring;
b).Key release: Hold the last measured value for twenty seconds and then power off automatically.
3). Stick the probe to the measured object (the pressure should be about 0.5-1 kg.)
1). Avoid intense impact, high temperature and immersed in water.
2). Keep the sensor plug clean and dry, and use it carefully.
3). Install the battery:
a) Open the small back cover of battery cabinet (2 screws at the end far away from the sensor at backside, see figure);
b) Place a battery (6F22, 9V) correctly according to the polarity;
c) Close the back cover and screw the screws tightly;
d) If it has been put aside long-term, please take out the battery
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