Extech Instruments HD600 Betriebsanweisung PDF herunterladen (Seite 9)

HD600 V1.2 8/07 9

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Support line (781) 890-7440

Technical support: Extension 200; E-mail: [email protected]m

Repair & Returns: Extension 210; E-mail: [email protected]

Product specifications subject to change without notice

For the latest version of this User’s Guide, Software updates, and other

up-to-the-minute product information, visit our website: www.extech.com

Typical A-Weighted Sound Levels

50HP Siren (100')

130

120

110

100

140

Jet takeoff (200')

dBA

Riveting machine

Chain saw

Subway (20')

Boiler room

Pneumatic drill (50')

Freight train (100')

Vacuum cleaner (10')

Speech (1')

Large store

Large Office

Small office

Residence

Night residential area

Whisper (5'0)

Sound studio

Threshold of hearing

Calibration and Repair Services

Extech offers repair and calibration services for the products we sell. Extech also

provides NIST certification for most products. Call the Customer Service Department for

information on calibration services available for this product. Extech recommends that

annual calibrations be performed to verify meter performance and accuracy.

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Extech Instruments HD600 Betriebsanweisung Seite 9