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M494

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Ammeter M494, M494 microammeter (M 494, M-494)
 
Designed to measure very small quantities of direct current.
Dimensions - 83h83h54mm.
Class of accuracy - 1.5-2.5.
Splash.
 
Technical characteristics of the instrument ammeters M494, M494 microammeter:
 
Made for temperate and tropical climates (tropical version).
In the tropical version devices ammeter M494, M494 microammeter designated M494T.
Instruments used:
- Ambient temperature from -30 º C to +60 ° C and relative humidity up to 80%;
- At a temperature of 30 ° C, relative humidity is allowed up to 90%.
Devices such as M494T used:
- Ambient temperature from -10 º C to +55 ° C and relative humidity up to 80%;
- At a temperature of 35 ° C, relative humidity is allowed up to 95%.
For special purposes are made gauges, which are a kind of instrument M494, with special scales.
Type designation of the meter is the device type ammeter M494, M494 microammeter with adding a dash number indicates the sequence of the meter.
In terms of resistance to mechanical stress tryaskoprochnye devices.
The limits of measurement devices ammeter M494, M494 microammeter (ICA) and the internal resistance of the device (in parentheses) are as follows: 0mkA-50mkA (2300 ohms); 0mkA-100mkA (700 ohms); 500mkA-0mkA-50mkA (2300 ohms); 100mkA -0mkA 100mkA-and-0mkA 200mkA (700 ohms), 0mkA-300mkA, 300mkA-0mkA 300mkA-and-500mkA 0mkA-500mkA (350 ohms).

Photos M494

M494 front view (scale).
M494 front view (scale).
M494 side view (casing depth).
M494 side view (casing depth).
M494 rear view (connection).
M494 rear view (connection).


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