Specification
Standard Conditions for Operation:
Operating temperature (device & sensor), -10 to 55°С, (±5)°С;
Relative humidity 80% at temperature 30 °С;
Atmospheric pressure, 84 to 106.7 KPa (630 - 800 mm Hg);
Resonance frequency, 32 kHz;
Measurement unit, dBi, dBc, dBm;
Range, max. 99dB;
Resolution, 1 dB;
Accuracy, ± 5%;
Operating temperature (tacho), 10 to 55°С, (±5)°С;
Tachometer range, 50-30,000rpm;
Tachometer resolution, 1rpm;
Tachometer sensing distance, up to 1m;
Memory capacity, 2MB;
PC communication port, USB;
System Specification:
Power supply, 3.6V NiMH rechargeable battery.
Continuous operation on batteries, not less than 10 hours.
Current consumption 220V, 50 Hz AC, not more than 5VA.
The limits of complementary error of the instrument at voltage changing from 3.6Volts to 2.8Volts.
Probability of no-failure operation, not less than 0.92 per 2000 hrs.
The average instrument life, not less than 10 years.
Failure time, 1000 hours. The average failure time is set for stan-dard conditions for operation.
Dimensions, not more than 60 х 110 х 30 (mm).
Weight, not more than 210 gram.