STANDARDS

Conforms with the following:

• IEC/EN 61672 (2002) Class 1

• IEC60651 Type 1 (1979) and amendment 1 (1993) and Amendment 2 (2000)

• IEC60804 Type 1 (2000)

• EN60651 Type 1 and Amendment 1 (2000)

• EN60804 Type 1 and Amendment 1 (2000)

• ANSI S1.4 –1983 Type S1

• ANSI S1.43 – 1997 Type 1

NOISE FLOOR

Below measurement range – less than 30 dB

DETECTORS

Simultaneous RMS and Peak with independent frequency weightings

Linearity Range: 70 dB

Pulse Range: 73 dB

Non-linear Distortion: insignificant

Peak Detector Rise Time: Typically 50 μs (< 100 μs)

FREQUENCY WEIGHTINGS

RMS: A or C

Peak: C

MICROPHONE

Type 4188 Prepolarized Free-field 1/2″ Condenser Microphone

Sensitivity: –30 dB re 1V/Pa }2dB

Frequency Range: 8Hz to 16 kHz }2dB

Capacitance: 12 pF

TIME WEIGHTINGS

F, S, I (Fast, Slow, and Impulse)

PARAMETERS

Types: Leq, MaxP, MaxL, MinL, Peak, SPL, Inst.

Resolution: 0.1 dB

Updated: Once per second

EXCHANGE RATE

3dB

MEMORY

40 Records of Measurement Results

CLOCK

Real-time (calendar) and measurement duration

VIBRATION SENSITIVITY

<80dB at 1m/s2 horizontally

<85dB at 1m/s2 vertically

AC OUTPUT

Short-circuit protected LEMO series 00 socket

Max. Output: 0.5 V RMS

Output Resistance: 100Ω

Output: Linear

DISPLAY

4 line back-lit LCD showing:

• Input signal level – indicated with a quasi-analog bar (updated 15

times per second)

• Selected parameter with level

• Warnings for overload and low battery power

• Measuring range

• Time and frequency weighting

• Elapsed measurement time

• Menus for displaying and editing settings

• Stored measurement results can be recalled

BATTERIES

Four 1.5V LR6/AA size alkaline cells

Lifetime (at room temperature): Typically >12 h

EFFECT OF MAGNETIC FIELD

80A/m (1Ørsted) at 50 Hz gives < 34 dB

SERIAL INTERFACE

Compatible with:

• EIA–574

• EIA–232–E with 25-pole adaptor

Baud Rate: 9600

Data Bits: 8

Stop Bit: 1

Parity: None

Handshake: XON/XOFF

ENVIRONMENTAL EFFECTS

Storage Temp.: –25 to +60°C (–13 to +140°F)

Operating Temp.: –10 to +50°C (14 to 122°F)

Temperature Effect: <0.5dB (–10 to +50°C)

Humidity Effect: <0.5dB for 30%<RH<90% (at 40°C, 1 kHz)

PHYSICAL CHARACTERISTICS

Size: 257×97×41 mm (10.1″×3.8″×1.6″)

Weight: 460 g (1.01 lb)(including batteries)