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