Fluke 789 Original instructions

PN 4276668

August 2012

All product names are trademarks of their respective companies.

789

ProcessMeter

Safety Information

Go to www.fluke.com to register your product and find more

information.

A Warning identifies conditions and procedures that are dangerous to

the user.

 Warning

To prevent possible electrical shock, fire, or personal injury:

•Read “Safety Information” before using the meter.

•Do not use the meter if it is damaged. Before using the

meter, inspect the case. Look for cracks or missing

plastic. Pay particular attention to the insulation

surrounding the connectors.

•Make sure the battery door is closed and latched

before operating the meter.

•Remove test leads from the meter before opening the

battery door.

•Inspect the test leads for damaged insulation or

exposed metal. Check test lead continuity. Replace

damaged test leads before using the meter.

•Do not use the meter if it operates abnormally.

Protection may be impaired. When in doubt, have the

meter serviced.

•Do not operate the meter around explosive gas, vapor,

or dust.

•Do not use in a damp or wet environment.

•Use only type AA batteries, properly installed in the

meter case, to power the meter.

•When servicing the meter, use only specified

replacement parts.

•Use caution when working above 30 V ac rms, 42 V ac

pk, or 60 V dc. Such voltages pose a shock hazard.

•When using the probes, keep fingers behind the finger

guards on the probes.

•Connect the common test lead before connecting the

live test lead. When disconnecting test leads,

disconnect the live test lead first.

•Do not use AutoHold to determine if dangerous voltage

is present. AutoHold will not capture unstable or noisy

readings.

•To avoid false readings, which could lead to possible

electric shock or personal injury, replace the battery as

soon as the battery indicator () appears.

•Remove test leads from the meter before opening the

battery door.

•Close and latch the battery door before using the

meter.

•To avoid personal injury or damage to the meter, use

only the specified replacement fuse, 440 mA 1000 V

fast-blow, Fluke PN 943121.

•When the TL175 is used with instruments or other

accessories, the lowest category rating of the

combination applies. One exception is when the probe

is used with the AC172 or AC175.

Safety Specifications

Battery Type: 1.5 V, 0-15 mA, AA, Alkaline

Temperature:

Operating temperature: -20 °C to 55 °C

Storage temperature: -40 °C to 60 °C

Altitude: Operating altitude: 2000 meters maximum

Frequency Overload Protection: 106V Hz max

Symbols

Symbol Description



Risk of Danger. Important information. See Manual.



Conforms to European Union directives



Conforms to relevant North American Safety

Standards



Battery



Hazardous voltage



Conforms to relevant Australian EMC requirements



Fuse

CAT III

Measurement Category III is applicable to test and

measuring circuits connected to the distribution part

of the building’s low-voltage MAINS installation.

CAT IV Measurement Category IV is applicable to test and

measuring circuits connected at the source of the

building’s low-voltage MAINS installation.



Double Insulation



Alternating current



Direct current



To 610101

2nd Edition

Meets Underwriters’ Laboratories safety

requirements



Earth ground



Inspected and licensed by TÜV Product

Services



This product complies with the WEEE Directive

(2002/96/EC) marking requirements. The affixed

label indicates that you must not discard this

electrical/electronic product in domestic household

waste. Product Category: With reference to the

equipment types in the WEEE Directive Annex I, this

product is classed as category 9 "Monitoring and

Control Instrumentation" product. Do not dispose of

this product as unsorted municipal waste. Go to

Fluke’s website for recycling information.

LIMITED WARRANTY &

LIMITATION OF LIABILITY

This Fluke product will be free from defects in material and

workmanship for three years from the date of purchase. This warranty

does not cover disposable batteries or damage from accident,

neglect, misuse or abnormal conditions of operation or handling.

Resellers are not authorized to extend any other warranty on Fluke’s

behalf. To obtain service during the warranty period, send your

defective meter to the nearest Fluke Authorized Service Center with a

description of the problem.

THIS WARRANTY IS YOUR ONLY REMEDY. NO OTHER

WARRANTIES, SUCH AS FITNESS FOR A PARTICULAR

PURPOSE, ARE EXPRESSED OR IMPLIED. FLUKE IS NOT LIABLE

FOR ANY SPECIAL, INDIRECT, INCIDENTAL OR

CONSEQUENTIAL DAMAGES OR LOSSES, ARISING FROM ANY

CAUSE OR THEORY.

Since some states or countries do not allow the exclusion or limitation

of an implied warranty or of incidental or consequential damages, this

limitation of liability may not apply to you.

Fluke Corporation

P.O. Box 9090

Everett, WA

98206-9090 U.S.A.

Fluke Europe B.V.

P.O. Box 1186

5602 BD Eindhoven

The Netherlands

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