Ammeter M266M, M266M microammeter (M 266 M, M-266-M, M266 M, M266-M, M 266M, M-266M)
Ammeter M266M, M266M microammeter designed to measure current in dc circuits.
Dimensions - 160h140h75mm.
Class of accuracy - 1.0-1.5.
Resistant to shaking, vibration.
Technical characteristics of the instrument ammeters M266M, M266M microammeter:
In the tropical version microammeter, ammeters indicated M266MT.
Devices ammeter M266M, M266M microammeter and M266MT used in ambient temperatures from -20 º C to +50 ° C and relative humidity up to 80% (at 30 ° C).
Relative humidity may be 95% ± 3%.
Execution of instruments - and the usual tropical.
Measurement range, accuracy class and the internal resistance of ammeter instrumentation M266M, M266M microammeter shown in Table.1.
The main error of the instrument does not exceed ± 1,0% or ± 5% depending on the accuracy class under the following conditions:
- Horizontal or vertical position of the scale;
- Ambient air temperature of 20 º C ± 5 ° C;
- The lack of ferromagnetic masses and external magnetic fields, but terrestrial.
Table 1: Range of measurement, accuracy class and the internal resistance of ammeter instrumentation M266M, M266M microammeter
Note. Microammeter with a measuring range of 0 mA-200mkA, the resistance of the device is not more than 150 ohms and 90 ohms, and accuracy class 1.5 made by special order.
Settling time of mobile devices ammeter M266M, M266M microammeter not exceed:
- 2 sec - with the external resistance is equal to the internal resistance of the device;
- 3 sec - with external resistance greater than 1 ohm;
- 4 sec - with an external resistance of less than 1 ohm.
Operating position of ammeter instrumentation M266M, M266M microammeter - horizontal or vertical.
The nature of the scale - even.
Change the ammeter readings of M266M, M266M microammeter not exceed ± 0,5% for rejecting the ambient temperature of 20 º C ± 5 ° C (class H) for every 10 degrees, under the influence of a magnetic field of 400 A / m when mounted on a steel board thickness up to 3mm.
Change the ammeter readings of M266M, M266M microammeter with a deviation from its working position in either direction by 45 ° does not exceed the absolute value of the basic error.
Overall dimensions ammeter M266M, M266M microammeter - 160h140h75mm.
Weight of the device - no more than 0.85 kg.
The device ammeter M266M, M266M microammeter is decorated in a plastic dust-and splash-proof housing recessed mounting.
The measuring mechanism - the magneto system.