P-134 VU Meter Level Meter Audio Volume DB Meter Level Back Light Post-amplifier For Sale
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P-134 VU Meter Level Meter Audio Volume DB Meter Level Back Light Post-amplifier:
P-134 VU Meter Level Meter Audio Volume DB Meter Level Back Light Post-amplifierAppearance organization:
1. Movable part: moving coil
2. Appearance method: see P-134 for details.
3. Degree board: See P-134 for details.
4. Pointer material: Nickel silver color: swing direction: from left to length: from the central axis to the needle end 70 ± 1 mm
Pointer width: 0.45 ± 0.05 mm
5. Meter use direction: vertical
1. Standard test conditions Temperature 20 ° C, humidity 70%, for the test results do not differ,
Can also be tested under normal temperature and humidity
2. Current sensitivity Pointer from zero scale to maximum scale (full scale position) Sensitivity 1000 uA ± 10 %
3. Internal impedance 100Ω ± 10%
4. Insulation resistance: 500V DC plus 50M ohm or more for the external box and electrical circuit of the meter. The insulation resistance of the meter case and the electrical circuit is tested by the 500V DC voltage.
5. Zero position: The standard position of the meter is used. The position of the front end of the pointer and the center of the zero scale is the tolerance of the reference pointer and the zero scale overlap is ±1mm.
6. Equilibrium: The allowable error range of the meter when the standard position is tilted 90 degrees back and forth ±1mm
7. Sticker: Instantly add 3 times overcurrent to full scale current and slowly reduce it to 1/2 of current sensitivity. At this time, the pointer will return to the scale of 1/3 of the scale.
8. Friction: When the current is added to the meter and slowly increased or decreased to a certain value, the error range of the indication point is ±1mm.
9. Brake: Instantly add the current value of the scale 2/3, within one second from the start to the time required for the pointer to indicate the position
1. Overload test: Ten times the full scale current input every five seconds, this action is repeated nine times. Each time 0.5 seconds, the test 7-14 items remain normal.
2. Vibration test: After the meter is packaged, it will be subjected to 1,000 times per minute and 4 mm vibration on the vibrating plate for 10 minutes in each direction. After the test, 7-14 items remain normal.
3. Impact test: After the meter is packaged, it will fall from the height of 30 cm to the 3cm thick board, and the X.Y.Z. three-way test. After the test, the 7-14 items remain normal.
4. Reliability test: After 100,000 calibration point current input, the current sensitivity limit is still within the standard
5. Environmental impact test: temperature 50 ° C, humidity 85%, for 100 hours, 7-14 items remain normal after this test
6. Terminal pull test The terminal must withstand 1 kg of pulling force for 60 seconds without being affected.
1. Operating temperature limit: -10 ° C to +60 ° C RH 35 to 85%
2. Storage temperature limit: -20 ° C to +60 ° C RH 35 to 85%
Do not place the meter in direct sunlight and store the meter in the box to prevent foreign matter from entering the meter.
3. Soldering conditions Put about 3 mm of the terminal into the tin plate at 230 °C for 3.5 seconds.
After this test, 7-14 items remain normal.
Solder temperature: Hand solder gun temperature 350 ° C, the terminal is in contact for 3.5 seconds, the front end of the terminal is about 3 mm in contact with the solder gun
After this test, 7-14 items remain normal.
4. Anti-static: Test with the dry nylon cloth on the surface of the transparent cover in the same direction three times, the difference between the markings on the scale length
Less than 1/3, zero position after three seconds
5. Lamp specifications: 4 white LED backlights, parallel to the PCB (80mA at 3.0 - 3.2V), free to change the backlight voltage to 12V
1pc P-134 VU Meter Level Meter
Payment Method:PayPal preferred
provide free shipping to international via China Post Airmail . We can also ship by TNT/EMS/DHL/FedEx for alternative shipping
method for corresponding fees. Please let us know before payment if you
need split shipment.
2.International shipping requires complicated
shipping procedures, If you have not received your shipment within 30 days
from payment, please contact us.
Returns & Replacements & Repair:
accept returns & replacements within 30 days from the day the
customer receive the products, please make first contact within 30 days
from receiving the order. Products should be returned in original
condition. As a benefit to our customers, we also provide repair within 3
months from the day when this item is shipped out, after repair is
done, we will send you the item, but the customer should pay both
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