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STANDARDS
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Conforms with the following:
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• IEC/EN 61672 (2002) Class 1
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• IEC60651 Type 1 (1979) and amendment 1 (1993) and Amendment 2 (2000)
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• IEC60804 Type 1 (2000)
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• EN60651 Type 1 and Amendment 1 (2000)
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• EN60804 Type 1 and Amendment 1 (2000)
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• ANSI S1.4 –1983 Type S1
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• ANSI S1.43 – 1997 Type 1
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NOISE FLOOR
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Below measurement range – less than 30 dB
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DETECTORS
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Simultaneous RMS and Peak with independent frequency weightings
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Linearity Range: 70 dB
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Pulse Range: 73 dB
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Non-linear Distortion: insignificant
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Peak Detector Rise Time: Typically 50 μs (< 100 μs)
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FREQUENCY WEIGHTINGS
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RMS: A or C
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Peak: C
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MICROPHONE
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Type 4188 Prepolarized Free-field 1/2″ Condenser Microphone
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Sensitivity: –30 dB re 1V/Pa }2dB
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Frequency Range: 8Hz to 16 kHz }2dB
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Capacitance: 12 pF
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TIME WEIGHTINGS
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F, S, I (Fast, Slow, and Impulse)
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PARAMETERS
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Types: Leq, MaxP, MaxL, MinL, Peak, SPL, Inst.
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Resolution: 0.1 dB
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Updated: Once per second
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EXCHANGE RATE
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3dB
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MEMORY
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40 Records of Measurement Results
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CLOCK
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Real-time (calendar) and measurement duration
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VIBRATION SENSITIVITY
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<80dB at 1m/s2 horizontally
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<85dB at 1m/s2 vertically
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AC OUTPUT
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Short-circuit protected LEMO series 00 socket
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Max. Output: 0.5 V RMS
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Output Resistance: 100Ω
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Output: Linear
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DISPLAY
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4 line back-lit LCD showing:
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• Input signal level – indicated with a quasi-analog bar (updated 15
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times per second)
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• Selected parameter with level
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• Warnings for overload and low battery power
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• Measuring range
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• Time and frequency weighting
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• Elapsed measurement time
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• Menus for displaying and editing settings
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• Stored measurement results can be recalled
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BATTERIES
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Four 1.5V LR6/AA size alkaline cells
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Lifetime (at room temperature): Typically >12 h
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EFFECT OF MAGNETIC FIELD
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80A/m (1Ørsted) at 50 Hz gives < 34 dB
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SERIAL INTERFACE
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Compatible with:
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• EIA–574
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• EIA–232–E with 25-pole adaptor
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Baud Rate: 9600
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Data Bits: 8
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Stop Bit: 1
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Parity: None
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Handshake: XON/XOFF
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ENVIRONMENTAL EFFECTS
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Storage Temp.: –25 to +60°C (–13 to +140°F)
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Operating Temp.: –10 to +50°C (14 to 122°F)
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Temperature Effect: <0.5dB (–10 to +50°C)
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Humidity Effect: <0.5dB for 30%<RH<90% (at 40°C, 1 kHz)
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PHYSICAL CHARACTERISTICS
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Size: 257×97×41 mm (10.1″×3.8″×1.6″)
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Weight: 460 g (1.01 lb)(including batteries)
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