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Popular Fluke 28IIEX Manual Pages
Fluke 28IIEx User Manual - Page 4
28 II Ex Users Manual
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...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...
Fluke 28IIEx User Manual - Page 12
...(see the EX safety instructions & regulations section)
In this manual, a Warning identifies conditions and actions that can be followed for this product. 28 II Ex Users Manual
Safety Information
...errors), refer to www.ecom-ex.com or www.fluke.com download the EC declaration of the Product, obey all instructions and warnings contained in this manual are explained in this manual. This manual...
Fluke 28IIEx User Manual - Page 18
... from the primary supply level, such as an electricity Product or an overhead or underground utility service.
Conforms to relevant Australian standards.
®
Inspected and licensed by TÜV Product Services.
Æ
Conforms to ATEX directive. 28 II Ex Users Manual
AC (Alternating Current)
Table 1.
Low battery when displayed.
T
Diode Double insulated...
Fluke 28IIEx User Manual - Page 20
...
When the Product is turned on, the Product model number briefly shows on the display.
e Resistance measurement
Push (yellow) for dc current measurements, from 0 mA to 10.00 A. AC current measurements from 0 μA to 6000 μA
Push (yellow) for continuity test. 28 II Ex Users Manual
Switch Position Any Position
J L
M
N
O
P Q
Table 3. AC voltage...
Fluke 28IIEx User Manual - Page 22
28 II Ex Users Manual
Button
E H
Switch Position
Continuity N MIN MAX recording Hz, Duty Cycle
Any position
F (Relative mode)
G
Any position Any position
Any position except diode test
Table 4. ...
Fluke 28IIEx User Manual - Page 24
28 II Ex Users Manual
Table 5. XW Warning: To
avoid false readings, which
could lead to possible electric shock or personal injury,
replace the battery as soon as
the battery indicator appears. Display Features (cont.)
Number Feature
Indication
Low battery. Automatically
Auto
selects the range with the best
resolution. Manual
Manual range mode
...
Fluke 28IIEx User Manual - Page 26
... when the mV dc function is released.
Sets the Product in the display and enters calibration mode. Table 6 shows the power-up option, push a button down while you energize the Product. The Product shows "CAL" in calibration mode and prompts for all LCD segments. 28 II Ex Users Manual
Power-Up Options
To set a power-up option.
Fluke 28IIEx User Manual - Page 28
28 II Ex Users Manual
When you measure ac voltage or ac frequency, push to set the low-pass filter mode (K). For better accuracy when you better measurement performance on inverters and variable-frequency motor drives.
These offset measurements are shorted together in high-impedance circuits. Record the ac voltage range, then manually select a dc voltage...
Fluke 28IIEx User Manual - Page 30
...power and discharge all high-voltage capacitors before you do a continuity test. You can do a continuity test, set up the Product as 1 ms. A brief short causes the Product to look at the display. The continuity ... opens and shorts that sounds when a circuit is complete. 28 II Ex Users Manual Continuity Tests
WCaution To prevent damage to the Product or to turn the continuity beeper on or off...
Fluke 28IIEx User Manual - Page 32
...test leads can add 0.1 Ω to 0.2 Ω of error to resistance measurements.
If this current flows through the circuit to ...resistance. Connect the Product to the circuit as shown in the specifications section for resistance measurements are 600.0 Ω, 6.000 kΩ...and read the resistance of the leads. 28 II Ex Users Manual
Resistance Measurements
WCaution
To prevent damage to ...
Fluke 28IIEx User Manual - Page 34
... shows in the display.
To measure conductance, set up the Product for conductance measurements are:
• High-resistance measurements are equal to very high resistance, the nS range lets you make accurate measurements, use the relative (REL) mode to subtract this open . 28 II Ex Users Manual
How to Use Conductance for High Resistance or...
Fluke 28IIEx User Manual - Page 48
...set off and remove all input signals before you replace the batteries or fuses. To prevent damage or injury, install ONLY specified replacement fuses with a damp cloth and mild detergent. 28 II Ex Users Manual
Maintenance
XWWarning To prevent electrical shock or personal injury, have the Product serviced...than those shown, have the Product repaired by Fluke in the terminals.
3. The ...
Fluke 28IIEx User Manual - Page 52
...;).
5. Service and Parts
If the Product fails, examine the batteries and fuses. Replacement parts and accessories are shown in Table 10. Turn the rotary switch to OFF and remove the test leads from the fuse compartment.
4. Refer to this manual to make sure the Product is attached to the fuse
assembly. 28 II Ex Users Manual
How to Replace the...
Fluke 28IIEx User Manual - Page 53
... Screw Gasket, Battery Door 28 II Ex Fuse Assembly 28 II Ex Holster 28 II Ex Battery Door Assembly Alligator Clip, Black Alligator Clip, Red Test Lead Set Integrated DMM Temperature Probe 28 II Ex Users Manual CD 28 II Ex Getting Started Manual
W To ensure safety, use exact replacement only. Table 10.
True-rms Digital Multimeter Service and Parts
Qty. Fluke Part or Model Number
3
2838018...
Fluke 28IIEx User Manual - Page 58
... Specification increases from 3 % to 100 % of 18 °C to 28 °C, with relative humidity at 0 % to -6 % at 440 Hz when filter is specified for 2 years after calibration...±(2 % + 20) [1]
Unspecified Unspecified Unspecified
Unspecified
48
28 II Ex Users Manual
Detailed Specifications
For all detailed specifications:
Accuracy is used. AC Voltage
AC conversions are ac-coupled ...
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