RS Pro RS-1150 Manual De Instrucciones página 6

Sound Level Meter / EN
• Calibration: Acoustic using sound calibrator
Nominal calibration level for the free field: 114.1dB
Nominal calibration level for the diffuse field: 114.0dB
• Frequency for acoustic testing: 8000Hz
• Warm-up time: ≦ 2min
Display LCD
• Display screens:
4 digit numerical indication of sound level, from 30.0 to 130.0dB with 0.1dB
resolution.
Bar-graph indication of current sound level with 2dB resolution.
Sound level range indicator: 30 – 90dB, 45 – 110dB or 65 –130dB in 3 ranges.
• Display update rate: 0.5 second
• Display first indication: Depends on the condition the instrument when it was
• Warning indications:
Out-of-range indications: OVER displayed at upper limit of the range
Outputs
• AC output (using selected frequency weighting)
Output voltage: 1Vrms (at full-scale of the range)
Output impedance: 5k Ω
Load impedance: ≧ 1M Ω
• DC output
Output voltage: 10mV/dB
Output impedance: 5k Ω
Load impedance: ≧ 1M Ω
Power requirements
• One 006P 9V or IEC 6F22 or NEDA 1604 battery.
• Battery life: Approx. 24 hours
• Power consumption: ~10mA
4
Calibration check frequency is 1000Hz
last turned off.
UNDER displayed at lower limit of the range
09/15/17 Version No. 00