Performance
Standards
ANSI S1.25-1991 (R2017), IEC 61252 Ed. 1.2
Linear Operating Range
52 – 140 dB rms A-weighted
Dynamic Range
94 dB
Peak Range
78 – 143 dB Peak, C-weighted
Peak Weightings
A, C, Z
RMS Weightings
Time Weightings
slow, fast, impulse
Frequency Range
20 Hz to 10 kHz
Data Logging
1 second samples
Logged Data
LAeq, LCeq, LCpeak, LZpeak, LASmax, LAFmax, TWA3, TWA5, Motion
Memory
8 GB internal
Communications
Bluetooth low energy 4.1 USB 2.0 (Micro-B connector)
Battery
Rechargeable lithium ion
Run Time
40 hours, typical
Charge Time
3 hours from full discharge
Charger
Qi-compliant wireless or USB
Compliance
CE, ROHS, WEEE
Motion
Overall motion percentage and bump
Languages
English, Spanish, Italian, French, Portuguese, German
Virtual Dosimeter
Virtual Dosimeters
4 independent with configurable LED indication
Exchange Rate
3, 4, 5, 6
Criterion Level
70.0 to 100.0 dB
Threshold
Shift Time
1 to 24 hours
Alarms
2 independent with configurable indication
Measurement Results
Dose; ProjDose; LAVG; TWA(8); Proj TWA(8); Lex,8h; Lep,d; Proj Lep,d
Mechanical
Display
Color LCD 176 x 176 pixels, always on with low light sensor and front light
Ingress Protection
IP65
Keys
Four buttons
Weight
112 g (4.2 oz.) including clips and windscreen
Dimensions
85 x 54 x 39 mm (3.35 x 2.13 x 1.54 in.) dosimeter only
Microphone
¼-inch Model 375A03
Operating Temperature
–10 to +50 ℃ (14 to 122 ℉)
Operating Humidity
Up to 90% RH, non-condensing
Event Audio Recording (optional)
Format
16-bit .wav
Sample Rate
8 kHz
Recording Time
Fixed: 2 s pre-trigger and 10 s post-trigger
Trigger Source
LAS, LAF, LCS, LCF, LAeq,1s, LCeq,1s
Trigger Level
40 – 140 dB, selectable