Fluke 28 II Ex Safety Instructions

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2. Application
The 28 II EX Digital Multimeter (the Product) is a compact easy to operate measurement tool
for electrical and electronic circuits. The Product is designed for operation in potentially explosive
areas of Zone 1, 2 and M1, as specified in Directive 1999/92/EC and 2014/34/EU (ATEX). There
can be dangerous consequences if you do not follow these instructions.
Read the entire Safety Instructions before you use the Product.
3. Safety information
If there is a question (because of translation and/or printing errors), refer to the English Safety
Instructions. These instructions contain information and safety regulations that must be followed
to ensure safe, reliable operation of the Product in hazardous areas under the described con
-
ditions. Failure to follow the information and instructions can have dangerous consequences, or
may contravene applicable legislation. Please also read through the users manual before you start
to use the Product. To ensure safe operation of the Product, obey all instructions and warnings
contained in these instructions.
Warning
To prevent electric shock or personal injury while in Ex-HAZARDOUS areas,
follow these guidelines:
- Do not open the Product while in an Ex-hazardous area.
- Change the Product’s batteries only outside Ex-hazardous areas.
- Do not take spare batteries into Ex-hazardous areas.
- Use only type-approved batteries in the Product. See item 5.1 for a list of approved batteries.
- Different temperature ranges for Tamb are fixed by the type approved batteries - see item 5.1.
- Do not replace fuses while in an Ex-hazardous area.
- Use only fuses approved for Ex-hazardous areas in this Product.
See item 5.3: Table - Replacements Parts for a list of approved fuses.
- Use the Product only when the specified connection values are met.
- After you use the Product on a non-i.s. protected circuit, wait 3 minutes before you take the
Product into an Ex-hazardous area.
- The Product must be completely and securely fitted in the red holster while it is in an Ex-hazar-
dous area.
- Use only approved accessories with this Product in Ex-hazardous areas.
- Do not use the Product in aggressive acidic or alkaline solutions.
- For applications requiring Group I equipment, the permanent contact of the Fluke 28 II EX
with oils, hydraulic fluids or greases is to avoid. A fixed installation of the Fluke 28 II EX is not
permitted.
- Do not use the Product in Zone 0 or 20, 21 and 22. Measurements on intrinsically safe
connections that go into these zones are permitted, if the connection values are met.
To prevent personal injury in mining hazardous areas:
- Avoid extreme mechanical burdens. The Product can withstand impacts with an energy of seven
joules at -20°C.
- Do not allow the Product to come in permanent contact with oils, hydraulic fluid, or grease.
- Do not install the Product in a fixed installation.

Fluke 28 II Ex Specifications

General

Diode test	Yes
Product type	Digital multimeter
Product color	Black, Red
Frequency range	0.0005 - 199.99 kHz
DC current range	0.0000001 - 10 A
DC voltage range	0.0001 - 1000 V
Resistance range	0.1 - 50000000 Ω
Measuring category	CAT IV 600V
Placement supported	Handheld multimeter
Basic accuracy (frequency)	0.005%
Basic accuracy (DC current)	0.2%
Basic accuracy (DC voltage)	0.05%
Temperature measurement range	-200 - 1090 °C
Battery type	AAA
Power source	Battery
Battery technology	Alkaline
Number of batteries supported	3
Operating altitude	0 - 2000 m
Maximum storage altitude	10000 m
Operating relative humidity (H-H)	0 - 80 %

Weight and Dimensions

Depth	198.1 mm
Width	100 mm
Height	6.35 mm
Weight	698.5 g