LANDTEK SL5868P Digital Sound Level Meter Reader Noise Meter 30~130dB decibel meter with Professional Digital Sound Level Meter Decibel Logger LCD Display Bluetooth ，Blue

Feature :
This instrument is compatible with several standards of GB/T 3785, IEC 651 Type 2, ANSIS 1.4 Type 2.
Specification :
It is widely used to test the sound level of environment, mechanic, vehicle, ship and other noise.Fit for industry environment protecting, working, sanitation, teaching search and other departments.
Display: 10 mm (0. 4") LCD (Liquid Crystal Display)
Function: LP, Leq, LN
Frequency range: 31.5Hz - 8KHz
Measurement range:
LP: 30~130dB (A)
35~130dB (C)
35~130 dB (F)
Leq: 30-130dB
LN. : 0-100%
Resolution: 0. 1dB
Accuracy: 1dB
Memory: Maximum value 30 groups
Detection characteristics: Fast / Slow
Built-in calibration signal: 94dB
Max. Hold function
Alarm setting: 30-130
Connector: RS232C
Auto power off
Indicator: Low battery indicator
Power supply: 4x1.5V AAA (UM-4) battery
Size: 236x63x26mm (9.3x2.5x1.03 inch)
Weight: 170g / 0.375lb (including battery)
Standard delivery:
1. Main Unit: 1pc
2. Carrying Case: 1pc
3. Operation Manual: 1pc
Optional Accessories:
1. ND9-B sound level meter calibrator
2. Rs-232 and software
3. External relay