คำอธิบาย
คุณสมบัติของเครื่องวัดเสียง Data Logging Noise Dose Meter LANDTEK SL-1256DOS
ยี่ห้อสินค้า LANDTEK รุ่น SL-1256DOS
Simple operation, including direct read–out of results.
Eight built–in standard dose measurement setups : OSHA80, OSHA90, MSHA-80, MSHA-90, DOD, ACGIH, ISO85 and ISO90.
Nine user – defined measurement setups.
A single sound level meter (SLM) setup.
A single sound level meter (SLM) setup.
50 dose (DATA) result stores.
Download of setups from PC to the meter.
Keypad lock protects meter against accidental operation.
Timers support pre–selection of measurement time and duration.
Use USB data output to connect with PC.
ข้อมูลทางเทคนิค
ตรงตามมาตรฐาน IEC61252, ANSI S1.25 – 1992 for dose meter and sound exposure meters. IEC 61672-1-2013 Class 2
Microphone 1/2-inch electret condenser microphone with 31-inch integral cable
Display Liquid Crystal Display
Measurement Ranges
(Linearity and Indicator ranges at 4KHz)
60 – 130 : 60 – 130dB (A and C)
70 – 140 : 70 – 140dB (A and C)
Peak Ranges
(C–weighted or Linear Peak over the top 40dB of each measurement range)
60 – 130 : 93 – 133dB Peak
70 – 140 : 103 – 143dB Peak
Frequency Weightings
RMS Detector: A or C
Peak Detector: C or Z (Linear)
Time Weightings Fast and Slow (RMS detector)
Exchange Rate 3, 4, 5 or 6dB
Stabilization Time 10 seconds from power on
Threshold and Criterion Levels (From the setup, predefined in the built – in setup according to applicable standards)
User–defined setups in the following ranges :
Threshold Level : 70 – 90dB in 1dB steps
Criterion Level : 80, 84, 85 or 90dB
Criterion Level : 80, 84, 85 or 90dB At 0.1dB above the top of the selected measurement range
At 0.1dB above the top of the selected measurement range Under–Range Indications
High Level Detector 115dB
Keypad Lock Lock and unlock by pressing key combinations: Up and right arrows to lock; left and down arrows to unlock
Clock Real–time clock with calendar
Memory Results from 50 measurements can be stored for later viewing and download
Measurement Control Measurement Duration : May be set to 5, 10, 15, or 30 minutes or 1, 2, 4, 8, 10, 12, or 24 hours
Timers Up to 16 timers(automatic start and stop)can be set(maximum up to one month ahead of measurement time)
Timer Controlled Started / Stop Set up from the PC software or meter keypad
Logging All measurement parameters values can be logged
Logging Period (LP) 1s, 2s, 5s, 10s, 15s, 20s, 30s, 1min, 2min, 5min, 10min, 15min, 20min, 30min or 60min
Logging Capacity 120000 values can be stored at any one time
Setup Eight built–in (predefined) default setups are included. Nine additional user–defined setups can be stored
Output USB interface
Power Supply 4×1.5V AAA Size (UM-4)Battery
Battery Indicator Symbol indication battery voltage level in 4 steps. Indicator flashes when voltage is insufficient for operation
Operating Temperature & Humidity 0 – 50ºC (32 to 122ºF) ,10 – 90%RH
Storage Temperature & Humidity -10 – 60ºC(14 to 140ºF) ,10 – 75%RH
ขนาดเครื่อง 140x72x34mm
น้ำหนัก Approx. 350g (including batteries)
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