Extech 407740 Discontinued Products

Name: Extech 407740 Discontinued Products
Brand: Extech
SKU: Extech407740
Price: 222.64 USD
Availability: InStock

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SOUND LEVEL METER, DIGITAL, 1.5DB ACCURACY

High accuracy to ±1.5 dB
Read both A and C frequency weightings, meets IEC 651 and ANSI Type 2 standards
3 measuring ranges for greater accuracy
Low (30 to 80dB), Medium (50 to 100dB), High (80 to 130dB)
Large 0.7" 3-1/2 digit LCD, 0.1dB resolution
Max Hold function stores highest reading
Fast (200ms) or slow (500ms) response time
Utilizes 0.52" (13.2)mm condenser microphone
AC and DC (10mV/dB) outputs are standard through a phone output terminal for connection to an analyzer or recorder plus tripod mount
Complete with 9V battery and carrying case

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List Price: $249.99

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General Specifications
Display	2000 count multi-function LCD
Input Signal Range	‘A’ Weighting: 30 to 130dB ‘C’ Weighting: 30 to 130dB
Response Time	Fast: Response = 125ms; Slow: Response = 1s
Resolution	0.1 dB
Standards Compliance	ANSI and IEC Type 2
Accuracy (at 23° ± 5°C)	±1.5dB at 1KHz (94dB)
Frequency	31.5 to 8,000Hz
Microphone	Electric condenser microphone, 0.5" (12.7mm)
Range Selector Switch	30 to 80dB, 50 to 100dB, 80 to 130dB
External Calibrator	Use Extech model 407744
Analog Output Signal AC	0.5Vrms (full scale of selected range)
DC	0.3 to 1.3VDC, 10mV/dB
Analog output impedance	600 ohms
Analog Output Terminal	3.5mm phone jack
Operating Temperature	32 °F to 122 °F (0 °C to 50 °C)
Operating Humidity	Max. 90% RH (0° to 35°C)
Power Supply	9V battery
Dimensions / Weight	10 x 2.8 x 1.1” (255 x 70 x 28mm) / 10 oz. (280 g)