3M 1200 - Environmental and Battery Specifications

1200/2200 Sound Level Meter Operator’s Manual19
Specifications
6. SPECIFICATIONS
Standards: Model 1200 : Type 1 ; Model 2200 : Type 2
ANSI S1.43-1997, ANSI s1.4-1983(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 continu-
ous sound pressure level (LEQ) .
Operating Range: 34 to 140 dBA SPL, 43 to 143 dBAPEAK
37 to 140 dBC SPL, 43 to 143 dBC PEAK
42 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
Repsonse: 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 10dB (1V/60dB)
1 Kohm output impedance, 3.5 mm stereo jackLinear
Linear
1200/2200 Sound Level Meter Operator’s Manual 20
Specifications
Detector: True RMS
Integration
Time: Signal Dependent - approximately 2.5 hours at a
constant 140dB SPL. Time will double with each 3dB
decrease in average SPL, until limited by battery life.
Overload
Indication: A '+' sign in the display indicates overload during Leq
measurement.
Accuracy: Within 0.5 dB at 23°C; Within 1.0 dB over the
temperature range of -10 C to +50 C
Level Range
Accuracy: +/- 0.5dB from 31.5 - 8000 Hz (1200)
+/- 1.0dB from 20 - 12500 Hz (1200)
+/- 0.7dB from 31.5 - 8000 Hz (2200)
Temperature
Range: Operation: -10 C to +50 C
Storage
(less batteries): -20 C to +60 C
Operating
Humidity: 0 to 95% relative humidity, non-condensing.
Effect of
Electromagnetic
Fields: Negligible.
Effect of
Electrostatic
Fields: Negligible.
Battery: One 9-volt alkaline battery
ANSI/NEDAType 1604A or IEC: Type 6LR61
Typical: Energizer 522 (Quest 058-176)