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Voltmeter D151 (D 151, D-151)
Voltmeter D151 is designed to measure the contact AC frequency of 50Hz and is set to electric rolling stock.
Dimensions - 110h100h148mm.
Accuracy class - 1.5.
Tryaskoprochny, vibration, shock-resistant.
Technical characteristics of the devices voltmeters D151:
Used in ambient temperatures from -50 º C to +50 ° C and relative humidity of 98%.
Not operate appliances voltmeter D151 at a temperature of -50 º C to +60 ° C and relative humidity up to 95%.
Performance - and the usual tropical.
The limits of measurement instrument voltmeter D151 and how to include (in parentheses) are as follows:
- 30V, 50V, 150V, 250V, 300V, 450V and - to set herself;
- 12.5 kW - with transformer voltage 10000V/380V;
- 30kV - transformers 25000V/380V, 25000V/220V and 25000V/100V.
The main error of the instrument voltmeter D151 does not exceed ± 1,5% of full scale range.
Measuring range - from 25% to 100% of full scale.
Power consumption of devices voltmeter D151 - 5W-7W.
Settling time - ≤ 3 seconds.
Angle scale devices voltmeter D151 - 230 °.
Scale length - 140mm.
Change the voltmeter readings of D151 caused by ambient temperature deviation from the normal (within the operating temperature) does not exceed ± 0,8% for every 10 degrees;
- Under the influence of an external magnetic field of 400 A / m - not more than ± 1,5%
Unit weight - 1.4 kg.
Devices designed voltmeter D151 for recessed mounting.
The instrument is enclosed in a cylindrical plastic casing.

Photos D151

D151device image.
D151device image.
D151front view (scale).
D151front view (scale).
D151side view (casing depth).
D151side view (casing depth).
D151rear view (connection).
D151rear view (connection).
D151overhead view.
D151overhead view.