Extech 407764 Sound Level Meter

Extech 407764 Sound Level Meter

Features

• Meets ANSI and IEC 651 Type 2 standards
• 30 to 130dB measurement range with ±1.5dB accuracy
• Large LCD with Fast 50 segment bargraph display
• Stored data can be transferred to a PC via RS-232 interface
• Real time and Date are logged with data; Max Hold function
• Tripod mount ideal for field use

Description

The Extech 407764 sound level meter features a 128,000 point datalogging capability and PC interface for data interpretation. The Extech 407764 sound level meter has a high accuracy of ± 1.5dB, which meets Type 2 standards (ANSI S1.4-1983, IEC 60651, and EN 60651). Other features of the Extech 407764 sound level meter include a large LCD with bargraph display, real time, and date logged with data and a max hold function.
The Extech 407764 sound level meter comes complete with microphone wind cover, Windows ® compatible software, Serial cable, 4 AA batteries, and convenient carrying case.

Specifications

Accuracy	± 1.5dB
Range	30 to 130dB
Resolution	0.1dB
Display	4  digit LCD
Analog Output	AC : 0.707 Vrms at Full Scale DC : 10mV/dB
Microphone	0.5” Electret condenser
Data Logging	1 to 86,400 seconds per record
Frequency Range	31.5Hz to 8KHz
Sampling Rate	50mS
Dimensions	10.4 x 2.8 x 1.4” (265 x 72 x 35mm)
Weight	Approx. 11.5 oz. (358g) including battery
Weighting	A and C
Response Time	FAST : 125mS SLOW : 1s
Power Supply	Four 1.5V ‘AA’ batteries
Interface	RS-232
Approvals/Warranty	CE
Battery Life	Approx. 30 hrs continuous operation
Event Storage	128.000 records/255 sets (non-volatile memory)
Standards	IEC651 Type 2, ANSI S1.4 Type 2