Fluke 28 II Ex User Manual

28 II Ex
Users Manual
ii
Continuity Tests ........................................................................................................ 20
Resistance Measurements ....................................................................................... 22
How to Use Conductance for High Resistance or Leakage Tests ............................ 24
Capacitance Measurements ..................................................................................... 25
Diode Tests ............................................................................................................... 26
AC or DC Current Measurements ............................................................................. 28
Frequency Measurements ........................................................................................ 31
Duty Cycle Measurements ........................................................................................ 33
How to Determine Pulse Width ................................................................................. 34
HiRes Mode ................................................................................................................... 34
MIN MAX Recording Mode ............................................................................................ 35
Smooth Feature (Power Up Option Only) ...................................................................... 35
AutoHOLD Mode ........................................................................................................... 37
Relative Mode ................................................................................................................ 37
Maintenance .................................................................................................................. 38
General Maintenance ................................................................................................ 38
Fuse Test .................................................................................................................. 38
How to Replace the Batteries.................................................................................... 39
How to Replace the Fuses ........................................................................................ 42
Service and Parts .......................................................................................................... 42
General Specifications ................................................................................................... 46
Detailed Specifications .................................................................................................. 48
AC Voltage ................................................................................................................ 48
DC Voltage, Conductance, and Resistance .............................................................. 49
Temperature ............................................................................................................. 50
AC Current ................................................................................................................ 50
DC Current ................................................................................................................ 51
Capacitance .............................................................................................................. 51
Diode ........................................................................................................................ 52

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