Sound Level Meter DB8850 has been designed to meet the measurement requirements of safety Engineers, Health, Industrial safety offices and sound quality control in various environments. This unit conforms to the IEC651 type 2 ANSI S1.4 type 2 for Sound Level Meter. This meter allows accurate sound level measurements from 35b dB to 130 dB with a resolution of 0.1 dB and an accuracy of 1.5 dB. This is an ideal instrument for noise monitoring in factory, school, business and traffic areas.

FEATURES

• Large LCD display
• Auto ranging 30 to 130dB
• Manual ranges 30~80dB; 50~100dB; 80~130dB
• Resolution 0.1dB
• Accuracy ±1.5dB
• User selectable ‘A’ & ‘C’ frequency weighting
• Fast or slow response
• Max & Hold measurements
• Over range range indication
• Low battery indication
• Auto power off after 15 mins of no activity
• Conforms to the IEC651 type 2 for Sound Level Meter
• Analog AC/DC outputs
• User calibration via a potentiometer using a standard sound level calibrator

SPECIFICATIONS

Description	Sound Level Meter
Model	DB8850
Level ranges	30dB ~ 130 dB LO：30dB~100dB Hi：80dB~130dB
Frequency range	31.5HZ ~ 8KHZ
Accuracy	±1.5dB
Resolution	0,1dB
Dynamic range	65dB
Frequency weighting	A/C
Time weighting	FAST -125ms / SLOW -1s
Microphone	1/2 inch electret condenser microphone
Display	4 digits LCD display with a resolution of 0.1dB
Display Update	2 times/sec
Alarm function	OVER - when input is more than upper limit of range
1dB/3minutes.AC output	0.65 Vrms at FS(full scale), Output impedance: Approx.600Ω (FS: means the upper limit of each level range.)
DC output	10mV/dB, output impedance approx. 100Ω
Power type	9V alkaline battery (included) type NEDA 1604A; 6LR61 or 6F22
Automatic Power off	Auto shut off after 15 minutes to preserve battery life
Product weight	0.255kg (including battery)
Product dimensions (LxWxD)	245X64X31mm
Operating temp.	0° to 40°C
Humidity range	10% to 90% relative humidity (RH)
Standard applied	IEC651 type 2
Accessories	battery, carrying case, instruction manual