Integrating Sound Level Meter / EN
9
08/15/16 Version No. 01
•
Warning indications:
Out-of-range indications:
OVER
displayed at upper limit of the range
UNDER
displayed at lower limit of the range
Outputs
•
AC output (using selected frequency weighting)
Output voltage: 2Vrms (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
•
I/O connector: Sound level meter control from and data output to a computer (USB)
•
Alarm output: 5Vdc, typical
Clock: Real–time (with calendar)
Power requirements
•
Qty 4 x 1.5V IEC R6P (size “AA”) manganese super heavy duty batteries or
equivalent.
•
Battery life: Approx. 24 hours
•
Internal back-up battery: Maintains real-time clock operation for at least 6 months
(typically) if fully charged.
•
External power source: DC voltage from 5V to 6V
Current rating: Approx. 20mA @ 6V
Ambient conditions:
•
Operating conditions: -10°C to +50°C, 30% to 90%RH non-condensing
•
Storage conditions: -10°C to +60°C, <70%RH non-condensing
•
Effect of temperature: < 0.5dB (-10 to +50°C)
•
Effect of humidity: < 0.5dB (for 30%RH to 90%RH at 40°C, 1000Hz)
•
Effect of vibration: A 40 Hz 1m/s vibration produces no noticeable effect.
•
Effect of magnetic field: No noticeable effect.
