เครื่องวัดเสียง Sound Level Meter with 94dB sound calibrator รุ่น 407732-KIT

Description

เครื่องมือวิทยาศาสตร์ อุปกรณ์วิทยาศาสตร์ เครื่องวัดระดับความดังเสียง Sound Meter เครื่องวัดเสียง รุ่น 407732-KIT

Standard CE , IEC651 Type 2 , ANSI S1.4 Type 2

407732-KIT : Low/High Range Sound Level Meter Kit ยี่ห้อ Extech, USA

Digital sound level meter with 94dB sound calibrator and carrying case

This Type 2 Sound Level Meter Kit meets ANSI and IEC 651 Type 2 standards. Ideal for noise surveys in the workplace, installing fire alarms and speaker systems and enforcing noise ordinances. Measures from 35 to 130 dB in 2 ranges and has an accuracy of ±1.5 dB. Data hold and Max hold functions. Backlit display allows use in dimly lit areas. Includes plastic carrying case for meter and calibrator.

เครื่องวัดเสียง EXTECH 407732-KIT

Features:

High accuracy meets ANSI and IEC 651 Type 2 standards
High and Low measuring ranges: 35 to 100dB (low) and 65 to 130dB (high)
Data Hold and Max Hold functions
Backlit LCD display to view in dimly lit area
Includes 407722 – 1kHz 94dB sound calibrator (±5% accuracy)
Includes plastic carrying case for meter and calibrator

For complete specs please download the product datasheet (not available for some accessories)

407732 Specifications:

Display Counts	2000 count LCD
Range	Low: 35 to 100dB High: 65 to 130dB
Basic Accuracy	±1.5dB
Weighting (A & C)	Yes
Response Time (Fast/Slow)	Yes
Condenser Microphone	0.5″ (12.7mm)
Dimensions	8.2×2.1×1.25″(210x55x32mm)
Weight	8.1oz (230g)

407722 Specifications:

Unit	Range	Accuracy
Frequency	1000 Hz	±4%
Sound Pressure Level	94dB/114dB	±0.5dB (94dB), ±1dB (114dB)
Distortion	<2% Total Harmonic Distortion (THD)
Operating Temperature	32 to 122°F (0 to 50°C)
Power Supply	One alkaline 9V battery
Dimensions	4.7 x 2 x 1.7” (120 x 51 x 43mm)
Weight	4.5oz (130g)