Table of Contents
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Introduction ..................................................................... 3
1.
Safety ................................................................................. 3
2.
Input Limits ................................................................. 5
2.2.
International Safety Symbols ................................. 5
1.1.
Safety Category Ratings .......................................... 6
1.2.
Description ....................................................................... 8
2.
Meter Description ...................................................... 8
2.1.
Symbols Used on LCD Display .............................. 9
2.2.
Button Function ............................................................ 10
3.
MODE and VFD Button ........................................... 10
3.1.
RANGE Button .......................................................... 10
3.2.
Hz/% Button .............................................................. 11
3.3.
HOLD/ Flashlight Button ........................................ 11
3.4.
Auto Power Off ......................................................... 11
3.5.
Low Battery Indication ........................................... 11
3.6.
Operating Instruction .................................................. 12
4.
4.1.
Measurements ........................................................................ 12
1
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Summary of Contents for Uniks M37
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Page 1: Table Of Contents
Introduction ..............3 Safety ................. 3 Input Limits ..............5 2.2. International Safety Symbols ......... 5 1.1. Safety Category Ratings .......... 6 1.2. Description ............... 8 Meter Description ............8 2.1. Symbols Used on LCD Display ......9 2.2. Button Function ............10 MODE and VFD Button ........... - Page 2 4.2. MV Voltage(Frequency, Duty Cycle) Measurements ................ 14 4.3. Frequency/Duty Cycle Measurements (Electronic) ................15 4.4. AC(Frequency, Duty Cycle) Current Measurements ................ 16 DC Current Measurements ........18 4.5. Resistance Measurements ........19 4.6. Diode Test ..............21 4.7. Continuity Test ............22 4.8.
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Page 3: Introduction
Introduction The meter measures AC/DC Voltage, AC/DC Current , Resistance,Diode Test, Continuity Capacitance, Frequency,Duty Cycle and Temperature .True RMS readings provide accurate AC measurements and a Lo Z setting eliminates errors caused by “ghost” voltages. It features a waterproof ，rugged design for heavy duty use.and it also offers added convenience... - Page 4 • Before changing functions using the selector switch, always disconnect the test leads from the circuit under test. • Comply with all applicable safety codes. Use approved personal protective equipment when working near live electrical circuits - particularly with regard to arc-flash potential.
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Page 5: Input Limits
1.2. Input Limits Function Maximum Input Voltage AC or DC 600V AC /DC Lo Z 600V AC/DC Frequency,Resistance,Capa 600V AC/DC citance,Continuity, Diode Test,Temperature 10A Current AC or DC 10A/600V fast acting Fuse 1.1. International Safety Symbols This symbol adjacent to another symbol, terminal or operating device indicates that the operator must refer to an explanation in the Operating Instructions to avoid personal injury or damage to... -
Page 6: Safety Category Ratings
This WARNING symbol indicates a WARNING potentially hazardous situation, which if not avoided, could result in death or serious injury. This CAUTION symbol indicates a potentially hazardous situation, which if CAUTION not avoided, may result damage to the product. 1.2. Safety Category Ratings Category Brief Typical Applications... - Page 7 • Lighting circuits in commercial buildings • Feeder lines in industrial plants • Any device or branch circuit that is close to a Cat III source The measurement category (CAT) rating and voltage rating is determined by a combination of the meter, test probes and any accessories connected to the meter and test probes.
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Page 8: Description
2. Description 2.1. Meter Description 1. LCD display Positive input jack RANGE button 8.HOLD and Flashlight 3. MODE and VFD button button 4. Rotary function switch 9.Hz% button 5. 10A input jack 10.Flashlight 6. COM input jack... -
Page 9: Symbols Used On Lcd Display
2.2. Symbols Used on LCD Display Volt kilo (10 Ampere Overload Farad Low battery (Capacitance) Alternating AUTO Auto ranging current Direct current HOLD Display Hold Minus Sign Hertz (frequency) Ω Duty Cycle continuity °C Degrees Celsius Diode Test °F Degrees Fahrenheit nano (10 Auto Power OFF... -
Page 10: Button Function
3. Button Function 3.1. MODE and VFD Button Press the MODE key to select AC/DC Voltage ,AC/DC Current,Ohms, Diode Test, Continuity or Capacitance, Temperature. When the AC voltages,press the MODE key for >2 second to turn on or off the VFD function . 3.2. -
Page 11: Hz/% Button
3.3. Hz/% Button Used to select Frequency or Duty Cycle when the meter is set to AC voltage、Frequency or AC Current. 3.4. HOLD/ Flashlight Button Press the HOLD key to turn on or off the HOLD function . Press the Flashlight key for >2 second to turn on or off the Flashlight function . -
Page 12: Operating Instruction
4. Operating Instruction 4.1. AC/DC Voltage (Frequency, Duty Cycle,VFD) Measurements WARNING : Observe all safety precautions when working on live voltages. CAUTION: Do not measure voltages if a motor on the circuit is being switched ON or OFF. Large voltage surges may occur that can damage the meter. - Page 13 positive side of the circuit and the black test lead to the negative side of the circuit. Read the voltage on the LCD display. When the AC voltages ,Press the Hz/% button to indicate “Hz”. Read the frequency in the display. Press the Hz/% button again to indicate “%”.
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Page 14: Mv Voltage(Frequency, Duty Cycle) Measurements
4.2. MV Voltage(Frequency, Duty Cycle) Measurements CAUTION: Do not measure mV voltages if a motor on the circuit is being switched ON or OFF. Large voltage surges may occur that can damage the meter. 1.Set the function switch to the mV position. 2.Press the MODE button to indicate DC or AC . -
Page 15: Frequency/Duty Cycle Measurements (Electronic)
4.Touch the black test probe tip to the negative side of the circuit. Touch the red test probe tip to the positive side of the circuit. 5.Read the mV voltage in the display. 6.When the AC voltages ,press the Hz/% button to indicate “Hz”. -
Page 16: Ac(Frequency, Duty Cycle) Current Measurements
2. Insert the black lead banana plug into the negative COM jack and the red test lead banana plug into the Positive input jack. 3. Touch the test probe tips to the circuit under test. 4.Read the frequency on the display. button again to indicate “%”... - Page 17 2. Insert the black test lead into the COM input jack Insert the red test lead into the 10A input jack 3. Remove power from the circuit under test, then open up the circuit at the point where you wish to measure current. 4.
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Page 18: Dc Current Measurements
4.5. DC Current Measurements WARNINGS: Observe all safety precautions when working on live circuits. Measurements in the 10A range should be limited to 30 seconds maximum every 15 minutes. 1. For current measurements up to 10A DC, set the rotary function switch to the 10A position. -
Page 19: Resistance Measurements
2.Insert the black test lead into the COM input jack Insert the red test lead into the 10A input jack 3.Remove power from the circuit under test, then open up the circuit at the point where you wish to measure current. 4.Touch the black test probe tip to the neutral side of the circuit. - Page 20 4.Touch the test lead probes to the component under test. If the component is installed in a circuit, it is best to disconnect one side before testing to eliminate interference with other devices. 5.Read the resistance in on the LCD display.
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Page 21: Diode Test
4.7. Diode Test WARNING: Never test diodes in a live circuit. Set the rotary function switch to the / position. 2.Press the MODE button until the “ “ symbol appears on the LCD display. 3.Insert the black test lead into the COM input jack and the red test lead into the Positive input jack. -
Page 22: Continuity Test
4.8. Continuity Test WARNING: Never test continuity on a live circuit. Set the rotary function switch to the / position. 2.Press the MODE button until the “ ” symbol appears on the LCD display. -
Page 23: Capacitance Measurements
3.Insert the black test lead into the COM input jack and the red test lead into the Positive input jack. 4.Touch the test lead probes to the device or wire under test. 5.A beeper will sound if the resistance is approx.50 ohms or less and the resistance reading will be shown on the LCD display 4.9. - Page 24 2.Press the MODE button until the “nF” symbol appears on the LCD display. 3. Insert the black test lead banana plug into the negative COM jack. Insert the red test lead banana plug into the positive Positive jack. 4.Touch the test leads to the capacitor to be tested.Wait until the readings settle before ending the test.
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Page 25: Temperature Measurements
4.10. Temperature Measurements WARNING: Do not touch the temperature probe to live circuits. Set the rotary function switch to the Temp °C °F position. Press the MODE button to select readings in °F or °C. -
Page 26: Lo Z Ac/Dc Voltage Measurements
Connect the Temperature Probe to the Banana Plug Adapter. Note the – and + markings on the adapter. Connect the adapter to the meter, making sure the – side goes into the COM input jack and the + side goes into the Positive input jack. - Page 27 source of voltage. The Lo Z setting places a load on the circuit, which greatly reduces the voltage reading when connected to ghost voltage. 1. Set the rotary function switch to the V Lo Z position. 2. To select AC or DC voltage, press the MODE button until the AC “~”...
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Page 28: Maintenance And Cleaning
5. Maintenance and Cleaning This MultiMeter is designed to provide years of dependable service, if the following care instructions are performed: 1. KEEP THE METER DRY. If it gets wet, wipe it off. 2. USE AND STORE THE METER IN NORMAL TEMPERATURES. -
Page 29: Battery Replacement
6. Battery Replacement WARNING: To avoid electric shock, remove the test leads from the meter before removing the battery/fuse cover. 1. Lift up the tilt stand. 2. Loosen the two Phillips screws on the battery/fuse cover. 3. Remove the battery/fuse cover. 4. - Page 30 WARNING: To avoid electric shock, do not operate meter until the battery/fuse cover is securely fastened to the meter.
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Page 31: Fuse Replacement
7. Fuse Replacement WARNING: To avoid electric shock, remove the test leads from the meter before removing the battery/fuse cover. 1. Lift up the tilt stand. 2. Loosen the two Phillips screws on the battery/fuse cover. 3. Remove the battery/fuse cover. 4. -
Page 32: Specifications
WARNING: To avoid electric shock, do not operate meter until the battery/fuse cover is securely fastened to the meter. 8. Specifications 8.1. Specifications Function Range Resolution Accuracy DC Voltage 60.00mV 0.01mV 600.0mV 0.1mV (0.5% reading + 8digits) 6.000V 0.001V 60.00V 0.01V 600.0V 0.1V... - Page 33 Function Range Resolution Accuracy Resistance 600.0 0.1 6.000k 0.001k (1.5% reading + 5 digits) 60.00k 0.01k 600.0k 0.1k 6.000M 0.001M (2.5% reading + 5 digits) 60.00M 0.01M Capacitance 60.00nF 0.01nF (2.5% reading + 10 digits) 600.0nF 0.1nF` 6.000F 0.001F (2.5% reading + 5 digits) 60.00F 0.01F 600.0F...
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Page 34: General Specifications
• (+ digits) – This is the accuracy of the analog to digital converter. 8.2. General Specifications Insulation Class 2, Double Insulation Enclosure Double Molded, IP67 waterproof and dust- proof Diode Test Test current 1mA max., open circuit voltage 3V typical Continuity Audible signal if the resistance is approx. - Page 35 AC Voltage 45Hz to 1kHz Bandwidth AC Current 45Hz to 400Hz Bandwidth Three “AAA” 1.5V batteries Batteries Fuse 10A/600V (5 x 20mm) fast acting Fuse Operating F to 104 F (5 C to 40 Environme Storage F to 122 F (-10 C to 50 Environme Operating...
- Page 36 9. ASSISTANCE 9.1. WARRANTY CONDITIONS This instrument is warranted against defects in materials and workmanship, in accordance with the general terms and conditions. During the warranty period, defective parts can be replaced, but the manufacturer reserves the right to repair or replace the product. If the instrument is to be returned to the after - sales service or to a dealer transportation is borne by the customer.
- Page 37 The content of this manual may not be reproduced in any form without the permission of the manufacturer. Our products are patented and their trademarks. The manufacturer reserves the right to change specifications and prices if this is due to technological improvements. 9.2.
- Page 39 Uniks Srl Via Vittori 57 48018 Faenza (RA), Italy 0546.623002 0546.623691 Rev. U052019...
- Page 40 MANUALE Uniks M37...