Description : Measuring range 70 … 140 dB (A, C)
90 … 140 dB (Z)
Measuring range (peak value) 103 … 143 dB PEAK
Resolution 0.1 dB
Accuracy class 2
Frequency range 31.5 Hz … 8 kHz
Frequency weightings A, C and Z
Time weighting fast, slow, impulse
Adjustable level increase 3, 4, 5, 6 dB
Threshold adjustment range 70 … 90 dB
Threshold resolution 1 dB
Adjustment range of the criterion level 70 … 90 dB
Resolution of the criterion level 1 dB
Display if the ambient condition is too loud >115 dB
Memory 30 measurement runs with total
6101 measuring points
Timer 16 timers for an automatic
data logging and 99 timers
Warm-up time 10 seconds after power on
Microphone 1/2 inch electret condenser
Display 128 x 64 pixel LC display
For applications according to the standard
IEC 61252:2002, ANSI S1.25-1991
Number of virtual dosimeters 3
Dosimeter standards OSHA-80, OSHA-90, MSHA-80, MSHA-90, DOD,
ACGIH, ISO-85, ISO-90, NR-15, NHO-01
In addition, up to 9 individual
standards can be stored
Measurement parameters for all DOSE (Dose), PDOSE (Pdos), TWA (Twa),
virtual dosimeter PTWA (PTwa), LAVG (Lavg), LEPd (Lepd),
PLEPd (PLepd), Exceed time
(Las>105 or Las >115), LEQ
(Laeq, Lceq, Lzeq), SEL (LaE, LCE or LZE),
SEpa2h (Ea, Ec, Ez), PEAK (Pka, Pkc or Pkz),
LEX8H (Lex8h), PLEX8H (PLex8h),
EXPHrs (Exph), EXPsec (Exps), NEN
Additional measurement parameters MAX/MIN, L05, L10, L50,
for the first virtual dosimeter L90 and L95 at a 20 ms interval
and a difference of 0.1 dB,
LAEQ05, LAEQ10, LAEQ50, LAEQ90,
LAEQ95 at a 1 s interval
and a difference of 0.1 dB
Interface USB interface on the charging station
Power supply (battery) 3.7 V, 470 mAh, lithium polymer battery
Power supply (mains adapter) primary: 100 ... 240 V AC, 50 ... 60 Hz, 0.7 A
secondary: 9 V DC, 2 A
Operating time >15 hours at 23 °C / 73 °F
Operating conditions 0 … 50 °C (32 … 122 °F), 10 … 95 % RH,
non-condensing
Storage conditions -10 … +60 °C (14 … 140 °F), 10 … 75 % RH,
non-condensing
Dimensions 84 x 49 x 55 mm / 3.3 x 1.9 x 2.2 inch
Weight 77 g / 2.7 oz
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