Power Meter Transmitter VU Meter Head Radio Station with Backlight PMMA Cover SWR Black Forward 300W Reflected 60W

Movable part: Movable coil type

Pointer swing direction: From left to right

Pointer length: 49 ±1mm, from the needle end to the axis

Pointer width: 0.45 ±0.05 mm

Enameled wire material: UEW polyurethane copper wire

The meter placement position: Vertical

Wire: 2 X 200mm#28 wires, one black and one red. They are used to solder LED positive/negative poles. The end of the wire needs 5mm of copper to be exposed for easy soldering.

Backlight type 1: Two LED are connected in series "6V, 20mA", connected to a resistor, 620ohm1/2W

Type 2: Two LED in series "6V, 20mA", connect a resistor, 1.3Kohm1/2W

Electrical performance:

Standard test conditions: Temperature 20 degree, humidity 70%.

If there is no difference in the test results, it can also be carried out in a normal temperature and humidity environment.

1 Current sensitivity: The direct current required for the pointer to be at the zero scale to the position shown on the scale plate.

2 Maximum current sensitivity: 200uA ±8% of the DC current required by the pointer at the zero scale to the full scale position of the scale.

3 Internal DC impedance: 750ohm ±8%.

4 Insulation resistance: test its insulation value with a 500V DC voltage, and the insulation resistance between the meter casing and the electrical circuit is above 50Mohm.

5 Friction: After adding the sensitivity current to the meter, it is slowly reduced to zero. The error between the pointer indication position and the zero scale centre is ± 1mm.

Colour:As Shown

Material:plastic

Package Contents:

1 x Power Meter

Only the above package content, other products are not included.

Note: Light reflection and different displays may cause the colour of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.