Nominal decay times for each time response setting are as follows:
FAST - 34.7 dB per second
SLOW - 4.35 dB per second
IMPULSE - 2.9 dB per second
PEAK measurements have a rise time constant of 50uS. The displayed
value is the highest peak occurring prior to a reset. Resets occur every
second in PAUSE. When the meter is in RUN a manual reset is required.
6. SPECIFICATIONS
Standards: Model 1200 : Type 1 ; Model 2200 : Type 2
ANSI Sl.43-1997, ANSI sl.4-1983(R1997), IEC 651-1979,
IEC 804-1985
Display: 3 1/2 Digit Liquid Crystal Display. Level display
indicates to 0.1 dB resolution. An enunciator is included
for Battery Check.
Modes of
Operation: Measures sound pressure level (SPL) maximum level
(MAX), minimum level(MIN), and equivalent continuous
sound pressure level (LEQ) .
Range: 30 to 140 dBA SPL, 43 to 143 dBA PEAK
40 to 140 dBC SPL, 43 to 143 dBC PEAK
40 to 140 dBZ SPL, 43 to 143 dBZ PEAK
Pulse Range: 63 dB
Electrical
Noise Floor: 26 dBA typ., 30dBC typ., 35 dBZ typ.
Frequency
Weighting
Networks: A, C, and Z
Meter
Response: Fast, Slow, Impulse or Peak (50uS rise time constant).
Microphone: Removable .52 inch (13.5mm) prepolarized condenser
(electret) microphone.
Model 1200 - Type 1 accuracy, P/N: 059-523 BK 4936
Model 2200 - Type 2 accuracy, P/N: 056-317 QE 7052
AC Output: Approximately 0-1 Volt AC RMS
1 Kohm output impedance, 3.5 mm stereo jack
DC Output: Approximately 0-1 Volt DC
Each 0.167V change equals l0dB (1V/60dB) 1 Kohm
output impedance, 3.5 mm stereo jack
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