20

Support Hotline (781) 890-7440

Tech support: Ext. 200; Email: support@extech.com

Repair/Returns: Ext. 210; Email: repair@extech.com

Website: www.extech.com

Fuse Replacement

1. Remove the four screws from the case bottom and stand using a

Philips head screwdriver.

2. Lift the end of the case bottom nearest the input jacks until it unsnaps

from the case top

3. Replace the battery or blown fuse(s)

4. Replace the case bottom, and ensure that all the gaskets are properly

seated and that the two snaps on the case top (near the display side)

are engaged

5. Re-fasten the screws.

Battery: one 9V standard battery (NEDA1604, JIS006P, IEC6F22) or

alkaline battery (NEDA1604A, JIS6AM6, IEC6LF22)

FS1 (for

µA/mA current input):

For MM560: 0.63A/500V F IR 200kA fast acting fuse.

For MM570: 1A/1000V F IR 10kA (acceptable alternative;

0.44A/1000V IR 10kA)

FS2 (for A current input):

For MM560: 12.5A/500V F IR 20kA fuse.

For MM570: 15A/1000V IR 10kA (acceptable alternative;

11A/1000V IR 20kA)

Fuse kits, Extech P/N FS880-4 & FS881-4 are available which contain

one each of the fuses for the meters.

UL Listed

The UL mark does not indicate that this product has been evaluated for

the accuracy of its readings.

REPAIR AND CALIBRATION SERVICES

Extech offers complete repair and calibration services for all of the

products we sell. For periodic calibration, NIST certification or repair of

any Extech product, call customer service for details on services

available. Extech recommends that calibration be performed on an annual

basis to insure calibration integrity.