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User Manual - Page 1
Specifications are trademarks of their respective companies. ®
27 II/28 II Digital Multimeters
Users Manual
September 2009 © 2009 Fluke Corporation. All rights reserved. All product names are subject to change without notice.
User Manual - Page 3
...
Introduction ...1 How to Contact Fluke ...1 Safety Information ...2 Features ...6
Automatic Power-Off 13 Input Alert™ Feature 13 Power-Up Options ...13 How to Make Measurements 15 AC and DC Voltage Measurements 15 Zero Input Behavior of True-rms Meters (28 II 16 Low-Pass Filter (28 II 16 Temperature Measurements (28 II 17 Continuity Tests...18 Resistance...
User Manual - Page 4
... Mode...36 Maintenance ...37 General Maintenance 37 Fuse Test...37 How to Replace the Batteries 38 How to Replace the Fuses 39 Service and Parts ...39 General Specifications 44 Detailed Specifications 46 27 II AC Voltage...46 28 II AC Voltage...47 DC Voltage, Conductance, and Resistance 48 Temperature (28 II Only 49 AC Current ...49 DC Current...50 Capacitance ...50...
User Manual - Page 11
... Meter"). Except where noted, the descriptions and instructions in this manual refer to both Series II Models 27 and 28 multimeters (hereafter referred to Contact Fluke
To contact Fluke, call one of the following telephone numbers:
Technical Support USA: 1-800-44-FLUKE (1-800443-5853) Calibration/Repair USA: 1-888-99-FLUKE (1-888993-5853) Canada: 1-800-36-FLUKE (1-800-363-5853) Europe: +31 402...
User Manual - Page 14
... the proper terminals, function, and range for all measurements.
• Before measuring current, check the Meter's fuses. (See "Fuse Test".)
4 27 II/28 II Users Manual
• When servicing the Meter, use only specified replacement parts.
• When using probes, keep fingers behind the finger guards on the probes.
• Do not use the Low-Pass Filter...
User Manual - Page 18
... for the selected function. Stops and starts the frequency counter.
8
When a new, stable reading is detected, the Meter beeps and displays the new reading. 27 II/28 II Users Manual
Button
A
(Yellow)
C
D
Switch Position
N
M
J
P
Q
Any switch position
M
Any switch position MIN MAX recording Frequency counter
Table 4.
User Manual - Page 19
Turns the button backlight and display backlight on positive or negative slope.
For Model 28 II, hold H down for one second. HiRes=19,999
Any switch Starts recording...
Turns the continuity beeper on and off Switches between Peak (250 μs) and Normal (100 ms) response times. (28 II only)
Toggles the meter to trigger on , makes them brighter, and turns them off.
Cancels MIN MAX (hold for...
User Manual - Page 20
... frequency measurements. Any switch position except diode test
Press G for subsequent readings. Starts the frequency counter. Press again to enter duty cycle mode.
10 27 II/28 II Users Manual
Button
F
(Relative mode)
G
Switch Position
Any switch position
Table 4. The display is zeroed, and the stored reading is subtracted from all subsequent readings.
User Manual - Page 21
...readings, In relative mode, this sign indicates that the present input is on.
See "Low-pass Filter (28 II)".
11 Display Features Table 5. Trig±
X W a
Positive or negative slope indicator for the analog
...Multimeters Features
Number
E
Feature
- Relative (REL) mode is 250 μs (28 II only).
Display Features
gaq101.eps
Feature
Indication
Y
Polarity indicator for Hz/duty ...
User Manual - Page 22
... best resolution
Manual range mode
The number of segments is on the left of the graph indicates the polarity of the selected range. ohm, megohm, kilohm
hertz, kilohertz
Diode test mode. XW Warning: To
avoid false readings, which
L
b
could lead to the full-scale value of the input. 27 II/28 II Users Manual
Table 5.
User Manual - Page 24
... after 2 minutes).
B
C D E
Enables the Meter's calibration mode and prompts for a password.
Enables the Meter's smoothing feature.
The Meter reads "Hi2" until H
is released. (28 II only)
14
27 II/28 II Users Manual
Table 6. Turns on all functions.
The Meter reads "2rEL" until A is used. See 27 II/28 II Calibration Information. The Meter reads "PoFF" until F is released...
User Manual - Page 51
...-A
1
3368139
1
3368142
41 Replacement Parts Description Battery, AA 1.5 V Fuse, 0.440 A, 1000 V, FAST Fuse, 11 A, 1000 V, FAST Fuse Access Door Screw Gasket, Battery Door Fuse Cap Holster Battery Door Alligator Clip, Black Alligator Clip, Red Test Lead Set Integrated DMM Temperature Probe (28 II Only) 27 II / 28 II Users Manual CD 27 II / 28 II Getting Started Manual
W To ensure safety, use...
Getting Started Guide - Page 1
27 II/28 II Digital Multimeters
Getting Started Manual
Specifications
PN 3368142 September 2009 © 2009 Fluke Corporation. Printed in USA. All product names are subject to change without notice. Specifications are trademarks of their respective companies. All rights reserved.
Getting Started Guide - Page 9
... Meter").
Except where noted, the descriptions and instructions in this manual refer to both Series II Models 27 and 28 multimeters (hereafter referred to Contact Fluke
To contact Fluke, call one of the following telephone numbers:
Technical Support USA: 1-800-44-FLUKE (1-800443-5853) Calibration/Repair USA: 1-888-99-FLUKE (1-888993-5853) Canada: 1-800-36-FLUKE (1-800-363-5853) Europe: +31 402...
Getting Started Guide - Page 21
... not set to ... serviced. F2_ Invalid model.... di'c
In the capacitance function, too much electrical charge is plugged into a current terminal. If MIN MAX Recording is detected.
Table 6 describes power-up option. Table 5. Display Features (cont.)
Number Feature
Indication
-bAtt
0L
Overload condition is enabled, the Meter will not power off.
Error Messages
Replace...
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