Standard applied: ANSI S1.25:1992 Personal Noise Dosimeter
IEC 61252:2002 Personal Sound Exposure Meters
Microphone: 1/2 inch Electret Field Replaceable Threaded Microphone
Display: 128×64 pixel graphics LCD
Measurement Range: Dynamic Range: 70dB to 140dB
Peak Range: 103dB to 143dB
Frequency Weightings: A, C and Z, Type 2
Time Weightings: Fast, Slow and Impulse
Exchange rate: 3dB, 4dB, 5dB or 6dB
Threshold level: 70 – 90dB in 1dB steps
Criterion level: 70 – 90dB in 1dB steps
Alarm warning indicators: LED showing level noise exceedances during run
Clock: Real-time clock with calendar.
Memory: Results from 30 measurements can be stored for later viewing and downloading.
Measurement control: Measurement duration: May be set 10 to 55 minutes in 5 min steps or 1 to 24 hours in 1hr steps
Timers: Up to 99 timers (automatic start and stop) can be set (maximum up to one month ahead of the measurement time).
Timer controlled Started/Stop: Up to 16 timers can be set up from PC software or meter keypad.
Log storage (results): At least 100 hours at 4 profiles every minute with the unit showing the remaining memory recording time in hours when switched on.
Stored profile values: Lavg, LZpk, Leq, LCpk
Storage interval: 1, 5, 10, 30 minutes and 1 or 2 hours can be set
Setup: Ten built-in (predefined) default setups are included.
Nine additional user-defined setups can be stored.
Battery: Li Polymer (3.7V / 470mAh)
Charging unit/PC interface: Complete meter fits neatly into the charging unit (DS-01).
Quick battery recharge in less than 90 minutes from completely empty.
Communicate via charger (DS-01) and USB to PC.
Operating/storage temperature & humidity: 0 to 50°C (32 to 122 º F), 10 to 90% RH / -10 to 60 º C (14 to 140 º F), 10 to 75% RH
Dimensions: 84 (L) × 49 (W) × 55 (H) mm / 3.3 (L) × 1.9 (W) × 2.2 (H) inch (with windshield)
Weight: About 77g (2.7oz), less equipment to fit
Accessories: Instruction manual, Carrying case, Charger (DS-01), AC Adapter for DS-01 (up to 4 DS-01 linked), CD software, USB cable.