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.