Fluke 28IIEx User Manual
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... To obtain service during the warranty period, contact your nearest Fluke authorized service center to obtain return authorization information, then send the product to that Service Center with a description of liability may not apply to extend any other warranty on Fluke's behalf. FLUKE IS NOT ... Fluke product will be free from defects in material and workmanship for three years from accident, neglect, misuse, alteration, contamination, or abnormal conditions of operation or handling. Box 9090 Everett, WA 98206-9090 U.S.A. P.O. This warranty does not cover fuses, disposable batteries,...
... To obtain service during the warranty period, contact your nearest Fluke authorized service center to obtain return authorization information, then send the product to that Service Center with a description of liability may not apply to extend any other warranty on Fluke's behalf. FLUKE IS NOT ... Fluke product will be free from defects in material and workmanship for three years from accident, neglect, misuse, alteration, contamination, or abnormal conditions of operation or handling. Box 9090 Everett, WA 98206-9090 U.S.A. P.O. This warranty does not cover fuses, disposable batteries,...
Fluke 28IIEx User Manual
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... 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...
... 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...
Fluke 28IIEx User Manual
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Pushbuttons ...11 5. Functions and Trigger Levels for Frequency Measurements 32 8. Display Features ...13 6. Replacement Parts ...43 11. Power-Up Options ...16 7. Inputs ...9 3. Rotary Switch Positions...10 4. Accessories ...45 v MIN MAX Functions ...36 9. Symbols...8 2. List of Tables Table Title Page 1. Approved Batteries ...40 10.
Pushbuttons ...11 5. Functions and Trigger Levels for Frequency Measurements 32 8. Display Features ...13 6. Replacement Parts ...43 11. Power-Up Options ...16 7. Inputs ...9 3. Rotary Switch Positions...10 4. Accessories ...45 v MIN MAX Functions ...36 9. Symbols...8 2. List of Tables Table Title Page 1. Approved Batteries ...40 10.
Fluke 28IIEx User Manual
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... you use the Product. Introduction WX Warning Read "Safety Information" before you do not follow these instructions. The 28 II Ex Digital Multimeter (the Product) is designed for electrical and electronic circuits. How to operate measurement tool for operation in potentially explosive areas of the following telephone numbers: • Technical Support USA: 1-800-44-FLUKE (1-800443-5853) • Calibration/Repair USA...
... you use the Product. Introduction WX Warning Read "Safety Information" before you do not follow these instructions. The 28 II Ex Digital Multimeter (the Product) is designed for electrical and electronic circuits. How to operate measurement tool for operation in potentially explosive areas of the following telephone numbers: • Technical Support USA: 1-800-44-FLUKE (1-800443-5853) • Calibration/Repair USA...
Fluke 28IIEx User Manual
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... 20. See the "How to Replace the Batteries" section for a list of approved batteries. • Do not replace fuses while in an Ex-hazardous area. • Use only fuses approved for a list of approved fuses. • Use the Product only when the specified connection values are met. 3 True-rms Digital Multimeter EX Safety Information • After you take spare batteries into zone 0 or 20 are...
... 20. See the "How to Replace the Batteries" section for a list of approved batteries. • Do not replace fuses while in an Ex-hazardous area. • Use only fuses approved for a list of approved fuses. • Use the Product only when the specified connection values are met. 3 True-rms Digital Multimeter EX Safety Information • After you take spare batteries into zone 0 or 20 are...
Fluke 28IIEx User Manual
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...Do not install the Product in ALL areas of operation: • Read all safety Information before you use the Product. • Comply with an energy of a Product, probe, or accessory. • Examine the case before you use the Product. Check test lead continuity. 28 II Ex Users Manual WX ...EX Safety Information" section for additional warnings on Product use in hazardous areas. 4 • Use the Product only as specified, or the protection supplied by the Product can withstand impacts with local and national safety codes. The Product can be compromised. • Do not use the Product ...
...Do not install the Product in ALL areas of operation: • Read all safety Information before you use the Product. • Comply with an energy of a Product, probe, or accessory. • Examine the case before you use the Product. Check test lead continuity. 28 II Ex Users Manual WX ...EX Safety Information" section for additional warnings on Product use in hazardous areas. 4 • Use the Product only as specified, or the protection supplied by the Product can withstand impacts with local and national safety codes. The Product can be compromised. • Do not use the Product ...
Fluke 28IIEx User Manual
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... not work alone. • Do not touch voltages >30 V ac rms, 42 V ac peak, or 60 V dc. • Use only correct measurement category (CAT), voltage, and amperage rated probes, test leads, and adapters for the measurement. • Remove all probes, test leads, and accessories that...connected to prevent incorrect measurements. • The battery door must be closed and locked before you operate the Product. • Do not use the Product if it operates incorrectly. • Do not use and disable the Product if it is damaged. 5 True-rms Digital Multimeter EX Safety Information • Connect...
... not work alone. • Do not touch voltages >30 V ac rms, 42 V ac peak, or 60 V dc. • Use only correct measurement category (CAT), voltage, and amperage rated probes, test leads, and adapters for the measurement. • Remove all probes, test leads, and accessories that...connected to prevent incorrect measurements. • The battery door must be closed and locked before you operate the Product. • Do not use the Product if it operates incorrectly. • Do not use and disable the Product if it is damaged. 5 True-rms Digital Multimeter EX Safety Information • Connect...
Fluke 28IIEx User Manual
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... use in mines. For connections to +60 °C • Batteries: 3 AAA Alkaline batteries, NEDA 24A IEC LR03. 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 intrinsically-safe circuits, observe these Product connections: Voltage - measurement input Ii = 5 A: U0...
... use in mines. For connections to +60 °C • Batteries: 3 AAA Alkaline batteries, NEDA 24A IEC LR03. 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 intrinsically-safe circuits, observe these Product connections: Voltage - measurement input Ii = 5 A: U0...
Fluke 28IIEx User Manual
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... and short branch circuits, and lighting systems in large buildings. Go to European Union directives. Important information. 28 II Ex Users Manual AC (Alternating Current) Table 1. Symbols J Earth ground DC (Direct Current) X Hazardous voltage I Fuse P Conforms to Fluke's website for recycling information. 8 W Risk of this product as unsorted municipal waste. Low battery when displayed. T Diode Double insulated...
... and short branch circuits, and lighting systems in large buildings. Go to European Union directives. Important information. 28 II Ex Users Manual AC (Alternating Current) Table 1. Symbols J Earth ground DC (Direct Current) X Hazardous voltage I Fuse P Conforms to Fluke's website for recycling information. 8 W Risk of this product as unsorted municipal waste. Low battery when displayed. T Diode Double insulated...
Fluke 28IIEx User Manual
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... Product will not turn the rotary switch or push a button for 30 minutes. W Caution To prevent damage, do not turn off . Error Messages bAtt di'c Replace the battery immediately. Shows when the test leads are plugged into a current terminal. If MIN MAX Recording mode is not set to the terminal being used. W Test lead alert. EEPr Err Invalid EEPROM data. Input Alert™ Feature...
... Product will not turn the rotary switch or push a button for 30 minutes. W Caution To prevent damage, do not turn off . Error Messages bAtt di'c Replace the battery immediately. Shows when the test leads are plugged into a current terminal. If MIN MAX Recording mode is not set to the terminal being used. W Test lead alert. EEPr Err Invalid EEPROM data. Input Alert™ Feature...
Fluke 28IIEx User Manual
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... II Ex Users Manual Power-Up Options To set a power-up option. E Disables the beeper for a password. H Disables auto backlight off in 30 minutes). The Product reads "PoFF" until is released. C Turns on all functions. The Product reads "'---" until G is released. The Product reads "Hi2" until C is released. Sets the Product in the display and enters calibration mode. The Product...
... II Ex Users Manual Power-Up Options To set a power-up option. E Disables the beeper for a password. H Disables auto backlight off in 30 minutes). The Product reads "PoFF" until is released. C Turns on all functions. The Product reads "'---" until G is released. The Product reads "Hi2" until C is released. Sets the Product in the display and enters calibration mode. The Product...
Fluke 28IIEx User Manual
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..., the Product shows a measurement between 1 and 30 counts. Record the ac voltage range, then manually select a dc voltage range equal to set the low-pass filter mode (K). When the test leads are open, the measurements can cause measurement errors in the chosen mode, but when the input leads are disabled. Unspecified input levels are: • AC voltage: below 3 % of 600...
..., the Product shows a measurement between 1 and 30 counts. Record the ac voltage range, then manually select a dc voltage range equal to set the low-pass filter mode (K). When the test leads are open, the measurements can cause measurement errors in the chosen mode, but when the input leads are disabled. Unspecified input levels are: • AC voltage: below 3 % of 600...
Fluke 28IIEx User Manual
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... circuit and then read the display. See the "Fuse Test" section. • A current meter drops a small voltage across itself, which could change circuit operation. Touch the black probe to note the unit given at the right side of the break. Be sure to the more positive side of the break. 28 II Ex Users Manual 3. You can calculate this...
... circuit and then read the display. See the "Fuse Test" section. • A current meter drops a small voltage across itself, which could change circuit operation. Touch the black probe to note the unit given at the right side of the break. Be sure to the more positive side of the break. 28 II Ex Users Manual 3. You can calculate this...
Fluke 28IIEx User Manual
Page 41
...Digital Multimeter How to Make Measurements Some guidelines for frequency measurements in the display is a multiple of what you push E, the trigger slope switches between + and -, as shown by the symbol at the frequency of the input. Push D to try and repair this problem. In the L function, the lower ranges...you expect, the input signal can be below or near the trigger level. To measure frequency, connect the Product to the signal source. Frequency Measurements For frequency measurements, the Product counts the number of times the signal crosses a set a dc range to increase the ...
...Digital Multimeter How to Make Measurements Some guidelines for frequency measurements in the display is a multiple of what you push E, the trigger slope switches between + and -, as shown by the symbol at the frequency of the input. Push D to try and repair this problem. In the L function, the lower ranges...you expect, the input signal can be below or near the trigger level. To measure frequency, connect the Product to the signal source. Frequency Measurements For frequency measurements, the Product counts the number of times the signal crosses a set a dc range to increase the ...
Fluke 28IIEx User Manual
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... as electronic fuel injection systems and switching power supplies are controlled by pulses that does not result in one cycle (Figure 9). To measure duty cycle, set up to ten times the amplitude of the selected voltage range.) If a duty cycle measurement is above or below a trigger level in multiple triggers. (Normally, a distortion-free signal can be up the Product...
... as electronic fuel injection systems and switching power supplies are controlled by pulses that does not result in one cycle (Figure 9). To measure duty cycle, set up to ten times the amplitude of the selected voltage range.) If a duty cycle measurement is above or below a trigger level in multiple triggers. (Normally, a distortion-free signal can be up the Product...
Fluke 28IIEx User Manual
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... 250 μs response time is best for power supply surges, inrush currents, and intermittents. Hold down C while you change the response time. The average value is the mathematical integral of all measurements since the start of the display to record intermittent measurements, record maximum measurements while you are discarded). Smooth Feature (Power Up Option Only) When the input signal changes quickly, "smoothing" gives a more...
... 250 μs response time is best for power supply surges, inrush currents, and intermittents. Hold down C while you change the response time. The average value is the mathematical integral of all measurements since the start of the display to record intermittent measurements, record maximum measurements while you are discarded). Smooth Feature (Power Up Option Only) When the input signal changes quickly, "smoothing" gives a more...
Fluke 28IIEx User Manual
Page 48
...set off and remove all input signals before you replace the batteries or fuses. Lift the lead out a bit until the message no longer shows in the display and OL or a resistance measurement shows in the N function, put a test lead into the amps input jack...input jack. General Maintenance To clean the external surfaces of the terminals. Dry each terminal. To prevent damage or injury, install ONLY specified replacement fuses with the Product in the display. 28 II Ex Users Manual Maintenance XWWarning To prevent electrical shock or personal injury, have the Product serviced. Do not use...
...set off and remove all input signals before you replace the batteries or fuses. Lift the lead out a bit until the message no longer shows in the display and OL or a resistance measurement shows in the N function, put a test lead into the amps input jack...input jack. General Maintenance To clean the external surfaces of the terminals. Dry each terminal. To prevent damage or injury, install ONLY specified replacement fuses with the Product in the display. 28 II Ex Users Manual Maintenance XWWarning To prevent electrical shock or personal injury, have the Product serviced. Do not use...
Fluke 28IIEx User Manual
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... cells are replaced. • Use only three AAA 1.5-volt batteries, correctly installed to power the Product. Current Fuse Test grt08.eps 39 Good 0.44 A fuse: 0.995 kΩ to 1.005 kΩ Replace fuse: OL Touch top half of approved batteries. See the table on the subsequent page for a list of input contacts Good 11 A fuse: 0.0 Ω to 0.5 Ω Replace fuse: OL True-rms Digital Multimeter Maintenance How...
... cells are replaced. • Use only three AAA 1.5-volt batteries, correctly installed to power the Product. Current Fuse Test grt08.eps 39 Good 0.44 A fuse: 0.995 kΩ to 1.005 kΩ Replace fuse: OL Touch top half of approved batteries. See the table on the subsequent page for a list of input contacts Good 11 A fuse: 0.0 Ω to 0.5 Ω Replace fuse: OL True-rms Digital Multimeter Maintenance How...
Fluke 28IIEx User Manual
Page 52
... to Replace the Batteries" section above to remove the battery door. 3. 28 II Ex Users Manual How to Replace the Fuses Examine or replace the fuses in Table 10 and Figure 12. You must use a new fuse assembly to Contact Fluke" section. 42 Turn the rotary switch to step 2 in Table 10. Carefully lift out the fuse assembly () from the terminals 2. To order parts and accessories, refer...
... to Replace the Batteries" section above to remove the battery door. 3. 28 II Ex Users Manual How to Replace the Fuses Examine or replace the fuses in Table 10 and Figure 12. You must use a new fuse assembly to Contact Fluke" section. 42 Turn the rotary switch to step 2 in Table 10. Carefully lift out the fuse assembly () from the terminals 2. To order parts and accessories, refer...
Fluke 28IIEx User Manual
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True-rms Digital Multimeter Service and Parts Qty. Fluke Part or Model Number 3 2838018 1 803293 6 3861068 1 3439087 1 4016494 1 4013542 1 4093984 1 AC172 1 1 TL175 1 80BK-A 1 3945765 1 3945752 43 Table 10. Replacement Parts Description Battery, AAA 1.5 V Fuse, 11 A, 1000 V, FAST 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...
True-rms Digital Multimeter Service and Parts Qty. Fluke Part or Model Number 3 2838018 1 803293 6 3861068 1 3439087 1 4016494 1 4013542 1 4093984 1 AC172 1 1 TL175 1 80BK-A 1 3945765 1 3945752 43 Table 10. Replacement Parts Description Battery, AAA 1.5 V Fuse, 11 A, 1000 V, FAST 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...