The stop watch PV-53L electric laboratory is intended for measurement of reaction time of electric relays and other contact devices.

Technical characteristics of devices stop watches PV-53L electric laboratory:

The device is intended for work at a temperature - from -20 °C to +50 °C, at relative humidity to 80%;

Rated voltage of the device a stop watch PV-53L electric laboratory - 110B and 220B;

Admissible fluctuations - ±20%;

Nominal frequency of the device a stop watch PV-53L electric laboratory - 50 Hz;

Limit of measurement of a small scale - 10s;

The division price - 1s;

Limit: measurements of a big scale - 1s;

The division price - 0,01s;

Stop watch PV-53L electric laboratory with a nominal frequency of the feeding current does not exceed a device error:

- ±0,03с - at measurement of a period from 1s to 3s;

- ±0,05с - at measurement of a period from 3s to 10s;

At measurement of total time of several periods of an error are summarized;

Durability of isolation of the device a stop watch PV-53L electric laboratory is checked of 2000B;

Power consumption:

- at a voltage of 110B - 5B · And;

- at a voltage of 220B-10B · And;

Device dimensions a stop watch PV-53L electric laboratory - 127kh120kh74mm;

Weight - 1 kg;

Guarantee - 3 years;

The manufacturer guarantees compliance of quality of the device a stop watch PV-53L electric laboratory to requirements of specifications of TU at observance by the consumer of the conditions and rules of storage, transportation, installation, operation established by specifications and operational documentation.

Examples of application of the Measurement technique Source of http://www.megaomm.ru/metod.html