Ammeter M1104 (M-1104, M 1104; m 1104; m -1104; m 1104)
Ammeter M1104 - Portable pointer instrument designed to measure current in DC circuits.
Technical features M1104:
- Accuracy class - 0.2;
- Current measurement range: 0 to 30A.
Housing ammeter M1104 is made of plastic. The moving part of the device attached to the braces. Reading device - the dial pointer.
Ammeter s M1104 have the dimensions:
- Dimensions - 243h195h104mm;
- The weight of the unit without box - 3.0 kg;
- The weight of the device with a case - 4,1 kg.
Technical characteristics of the devices:
- The length of the scale - 140 mm;
- Settling time - 3c.
Voltage drop are shown in Table 1.
The ratio of the maximum permissible error of absolute basic model means and ammeters for each of the scale should be tested not more than 1:5.
M1104 ammeters are available in two types of performance - export and tropic, to comply with TU-25-04-831-69.
Operating conditions of devices
Under the terms of mechanical stress during operation ammeter M1104 refers to the ordinary. Operating position of the unit - horizontal.
The devices are designed for operation at temperatures from +10 ° C to +35 ° C. The relative humidity for optimum performance ammeter should not be more than 80% (at +30 ° C).