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 |