Fluke 28 II Ex - Ex-Certification Data

True-rms Digital Multimeter
EX Safety Information
7
Ex-Certification Data
• Ex-Type certificate no:
• Ex-Designation:
• Power Supply:
• CE: CE0102
• Operating Temperature: -15 °C to 50 °C
• Storage Temperature: -55 °C to +60 °C
• Batteries: 3 AAA Alkaline batteries, NEDA 24A IEC
LR03. Table 7 shows the approved batteries for this
Product.
For connections to intrinsically-safe circuits, observe
these Product connections:
Voltage – measurement input U
i
= 65 V:
U
0
= 9.54 V U
i
= 65 V
C
0
= 3.6 μF C
i
= negligible
I
0
= 3.7 mA I
i
= negligible
L
0
= 1000 mH L
i
= negligible
P
0
= 3.4 mW
Current – measurement input I
i
= 5 A:
U
0
= 0 V U
i
= 65 V
C
0
= 1000 μF C
i
= negligible
I
0
= 9.7 μA I
i
= 5 A
L
0
= 1000 mH L
i
= negligible
P
0
= 0 mWH
mA/μA Jack
U
0
= 1.94 V U
i
= 65 V
C
0
= 1000 μF C
i
= negligible
I
0
= 9.7 μA I
i
= Internally limited by a 440 mA fuse
L
0
= 1000 mH L
i
= negligible
P
0
= negligible
For measurements on protected electric circuits:
• Approved for Zones 2 and 1, device group II,
explosion group IIC (explosive gases, vapors and
mist), temperature class T4.
• Approved for Zones 21 and 22, device group II,
explosion group IIIC, conducting and non-conducting
dust, fibers, and flyings.
• Approved for use in mines. Device group I, explosion
group I, methane, and coal dust.
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