Uni-Trend UT15B multimeter
Contents
1. UT15A UT15B UT15C Instruction Manual Contents 1 Introduction 2 Safety notices 3 Instrument layout Carrying out Measurements 4 Voltage test AC DC 5 Single pole voltage indication 6 Continuity test 7 Phase rotation test 8 Maintenance 9 Specification 1 Introduction Notice please open battery cover and remove anti leakage piece before using Refer to content 3 instrument layout 13 Thank you for purchasing a voltage tester This tester has been designed in accordance with the latest international safety standards The combivolt testers are fully automatic voltage indicators capable of measuring AC DC voltage up to 690 V Both units have visual and acoustic continuity indication Constructed in accordance with IEC 61010 and IEC 61243 3 e Single pole phase indication e 2 pole phase rotation indication e LED amp LCD display UT15C 2 Safety notices This manual contains information that must be followed for operating the meter safely and maintaining the meter in a safe operating condition If this meter is not used in the manner specified the protection provided may be impaired DiLog Instructions gia aa 6 3 07 11 24 Page a A Warning Warns of potential danger refer to the instruction manual to avoid personal injury or damage to the meter A Caution Dangerous voltage Danger of electrical shock E Continuous double or reinforced insulation complies with I2. 690 V AC Frequency range 50 400 Hz 50 400 Hz Continuity Measuring range 0 400 Kohm 0 400 Kohm Phase rotation test Voltage range 100 690 V 100 690 V Frequency 45 65 Hz 45 65 Hz Over voltage 690 V AC DC 690 V AC DC protection Power supply 2 x 1 5 LROS battery 2x 1 5 LROS battery Dimensions 255 x 70 x 28 mm 255 x 70 x 28 mm Weight 200g 200g Manufacturer Uni Trend Technology Dongguan Limited Dong Fang Da Dao Bei Shan Dong Fang Industrial Development District Hu Men Town Dongguan City Guang Dong Province China Postal Code 523 925 Headquarters Uni Trend Group Limited Rm901 9 F Nanyang Plaza 57 Hung To Road Kwun Tong Kowloon Hong Kong Tel 852 2950 9168 Fax 852 2950 9303 Email info uni trend com http www uni trend com xy Page
3. will illuminate and the buzzer will sound The unit will indicate continuity below 400 Kohm P DiLog Instructions Inper8pp 6 3 07 11 25 Page ae LED On O LED Off Continuity UTISA UTISB Note The continuity test is only possible when batteries are installed and in good condition 7 Phase rotation test Perform a function test prior to this test This unit can determine the phase rotation within a three phase supply Connect test probe L2 to the supposed phase 2 and the test probe L1 to the supposed phase 1 If the R LED illuminates the phases are in the correct sequence 1 to 2 Phase Rotation Test Rotary Phase of Three Phase Mains LED On O LED Off Correct Phase Sequence DiLog Instructions Inmper8pp 6 3 07 11 25 Page LED On O LED Off Incorrect Phase Sequence Connect test probe L2 to the supposed phase 3 and test probe L1 to the supposed phase 2 If the R LED illuminates the phases are in the correct sequence 2 to 3 Connect test probe L2 to the supposed phase 1 and the test probe L1 to the supposed phase 3 If the R LED illuminates the phases are in the correct sequence 3 to 1 During phase rotation test touch the contact electrode If the L LED illuminates then the phase sequence is anti clockwise 8 Maintenance Do not attempt to repair this unit There are no user serviceable items in this unit Never attempt to open the casing apart from the
4. EC536 class 11 CE Symbol of conformity confirms conformity with relevant EU directives The meter complies with EMC directives 89 336 EEC Specifically standards EN 50081 1 and EN 50082 1 as well as the Low Voltage Directive 73 23 EEC described in the standard EN 61010 1 The meter has been designed in accordance with the safety regulations for electronic measuring instruments EN 61010 1 IEC 61010 Voltages above 75V DC or 50V AC may constitute a serious shock hazard Before using the meter check for physical damage to the casing in particular around the connectors If the case is damaged do not use the meter Check the test probes for damaged insulation or exposed metal Check the leads for continuity Do not apply more than the rated voltage as marked on the meter between the terminals or between any terminal and ground Do not use or store the meter in an environment of high temperature humidity fumes vapour gaseous inflammable and strong magnetic field The performance and safety of the instrument and the user may be compromised in such circumstances Disconnect circuit power and discharge all high voltage capacitors before testing resistance continuity and diodes Remove the batteries if the meter is not in use for a long period Constantly check the battery as it may have leaked A leaking battery will damage the meter The meter may only be opened by a qualified service technician for calibration a
5. battery cover Do not use the instrument if there is any physical damage to the case or test leads The outside of the unit can be cleaned with a soft damp cloth only Do not use abrasive or chemical cleaning agents Changing batteries Turn the battery cover by 90 degrees anti clockwise Remove the cover and take out spent batteries Replace with 2 off 1 5 V AAA LRO3 batteries checking the correct polarity Replace the battery cover and turn by 90 clockwise Spent batteries should be disposed of responsibly and with compliance with current recycling and disposal regulations Calibration The recommended calibration interval for the UT15A UT15B UT15C is 12 months DiLog Instructions Im a 9 Specifications pi 6 3707 11 22 Voltage UT15A UT15B UT15C Voltage display 12 690 V AC DC 12 690 V AC DC LED Resolution 12 24 50 120 230 12 24 50 120 230 400 690 400 690 LCD Resolution 3 8 digits 24 690 V Voltage detection automatic automatic Acoustic signal AC voltage DC AC voltage DC voltage voltage Polarity detection Full range Full range Response time LED lt 0 1s LED lt 0 1s LCD lt 25 Frequency range 0 400 Hz 0 400 Hz Peak Current Is lt 0 3A Is after 5s Is lt 0 3A Is after 5s lt 3 5 mA lt 3 5 mA Operation time 30s 30s Recovery time 10 min 10 min Auto power on lt 12 V AC DC lt 12 V AC DC Single pole voltage indication Voltage range 100 690 V AC 100
6. nd repair DiLog Instructions aia a 6 3 07 11 26 Page a 3 Instrument Layout UNI T 07 Combivolt 2 Test Probe L1 2 Test Probe L2 3 LED s for voltage indication 4 LED for single pole test 5 Right amp Left LED phase rotation indication 6 LED for continuity 7 LCD for voltage display only UT15C 8 Contact electrode for double pole test of phase rotation and single pole test 9 Torch button on the back 10 Positive LED 11 Negative LED 12 Battery Compartment 13 Anti leakage piece Carrying out measurements Perform a self test of the unit Connect the two test probes L1 and L2 The continuity LED 6 will be lit and an audible tone should be heard Before any test check the unit on a known voltage source If the unit is defective it should be put out of service and returned to uni trend for repair 3 DiLog Instructions aia aa 6 3 07 11 26 Page a 4 Voltage test AC Voltage LED On O LED Off UT1SA UT15B Always hold the test probes by the handles behind the finger guards Observe the safety notices at all times An audible tone is present when an AC voltage and a negative DC voltage are indicated The maximum switch on time is 30 s When this time has elapsed you must wait 10 minutes before retesting Connect probes to voltage source observing polarity of the test probes L2 is positive probe L1 is the negative probe Fo
7. r AC voltage the value is indicated on the LEDs 3 and on the LCD display UT15C only The and LEDs are illuminated and buzzer is audible For DC voltage connect probe L2 to the positive terminal and L1 to the negative terminal The voltage is displayed on the LEDs and the LCD display UT15C only The positive LED 10 is illuminated If the polarity is reversed the buzzer will sound The negative LED 11 will be illuminated DC Voltage UTISA UTI5B DiLog Instructions Inner8pp 6 3 07 11 27 Page ae 5 Single pole voltage detection Single pole Voltage Detection Test LED On O LED Off Perform a function test prior to this test This unit can be used as a single pole voltage detector when batteries are inserted The single pole test is intended only as a quick check The circuit must be checked again for the presence of voltage using the two pole method Connect test probe L2 to the voltage source and keep finger on the contact electrode 8 If an AC voltage above 100 V is present the LED 4 is illuminated and the buzzer sounds The single pole test can be negatively affected by unfavourable conditions such as electrostatic field good insulation etc 6 Continuity test The continuity test is only possible when batteries are inserted and in good condition Ensure the circuit under test is not live Connect test probes L1 and L2 to the circuit The continuity LED 6
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