P\N:110401102778 - PinSonne Elektronik
Contents
1. 6 Capacitance 4 Range Resolution Accuracy Overload protection 4nF 0 001nF 40nF 0 01nF 400nF 0 1nF 4 0 4uF 0 001uF 4 0 3 600Vp 40uF 0 01uF 100yF 0 1uF 5 0 10 To measure under RELATIVE measurement mode 7 Frequency Hz Range Resolution Accuracy Overload protection 10Hz 0 001Hz 100Hz 0 01Hz 1kHz 0 1Hz 10kHz 1Hz 100kHz 10Hz 1MHz 100Hz 10MHz 1kHz Reading is only for reference Sensitivity 2300mV rms if lt 100kHz 600mV rms if gt 100kHz 800mV rms if gt 1MHz 0 5 3 600Vp 8 Temperature C Range Accuracy Overload protection 40 C 40 C 0 C 8 5 a i TANN 9 Bo ug in resistance 1 0000 2C 400 C _ 2 5 3 afiko 400 C 1 000 C 3 0 3 Note 1 There is no voltage protection for temperature gear It is not allowed to insert electrified conductor into jack to avoid burnout of 1K 9 resistance 20 UT204A OPERATING MANUAL 2 Spot K type thermocouple Ni Cr Ni Si is only suitable to temperature measurement of less than 230 C Rod type temperature sensor shall be used for temperature measurement of more than 230 C 9 DC current 4 Range Resolution Accuracy Overload protection 40 00A 0 01A 600A 1A 2 5 600A DC AC Note Current measurement function must be between 0 C and 40 C Current direction2. P N 110401102778 UT204A OPERATING MANUAL Introduction 1 Il Unpacking Inspection 1 lll Rules for Safe Operation 2 IV Electrical Symbols 3 V Appearance Structure 4 VI Display Symbols 5 VII Key Functions and Automatic Shutdown 6 VIII Measurement Instructions 7 1 DC Voltage Measurement 7 2 AC Voltage Measurement 8 3 Resistance Measurement 9 4 Diode Measurement 10 5 Conductance Detection 11 6 Capacitance Measurement 12 7 Frequency Measurement 13 8 Temperature Measurement 14 9 DC Current Measurement 15 10 AC Current Measurement 16 IX Technical Indicators 17 X Maintenance 22 UT204A OPERATING MANUAL INTRODUCTION UT204A is a 3 3 4 bit AC DC digital clamp meter hereinafter referred to as clamp meter with stable performance safety and reliability As a special electrician s instrument with excellent performance machine circuit is designed on the basis of large scale int
3. 1 Please inspect clamp meter and probe before use to avoid damage or abnormal use Please do not use the clamp meter again if probe or shell insulation is damaged obviously with LCD display failure or clamp meter cannot operate normally 2 It is strictly prohibited to use clamp meter before covering rear cover and battery cell to avoid electric shock 3 Fingers cannot exceed probe forehand during measurement Do not touch nude electric wires connector unused input end or circuits during measurement to avoid electric shock 4 Function switch must be in correct position before measurement It is strictly prohibited to change gears during measurement to avoid damage of clamp meter 5 Do not exert at least 600V between terminal of clamp meter and grounding to avoid electric 2 UT204A OPERATING MANUAL Shock or damage of clamp meter 6 To operate the instrument carefully under DC 60V or AC 30V to avoid electric shock 7 Do not measure voltage or current which is more than permissible input value Be sure to place function range switch to the maximum range position if scope of measured value cannot be determined Be sure to cut off circuit power and discharge all capacitors before ON OFF measurement of online resistance diode or circuit To disconnect probe and measured circuit then remove probe from input end of clamp meter and cut off power after measurement 8 To replace battery in a timely manner during display of LC
4. Resistance measurement shown in Figure 5 Warning Be sure to cut off circuit power and discharge residual charge of all capacitors before load connection To set knob Please place function knob to Q p nj 4b measurement gear To select key functions To set measured DC voltage to initially set value Initially set automatic range can be set to relative range by pressing RELA key To connect load 9 UT204A OPERATING MANUAL X _ SA A M mN Figure 5 To gain excellent measured result by separating element from circuit To disconnect probe and measured circuit then remove probe from input end after all measurement operations 4 Diode measurement gt shown in Figure 6 A Warning Be sure to cut off circuit power and discharge residual charge of all capacitors before load connection To set knob Please place function knob to Q 1 44 measurement gear To select functions To select diode detection by pressing SELECT key To connect load 10 UT204A OPERATING MANUAL UT204A OPERATING MANUAL t EIS RQA Figure 6 To gain excellent measured result by separating element from circuit To disconnect probe and measured circuit then remove probe from input end after all measurement operations 5 Conductance detection shown in Figure 7 A Warning Be sure to cut off circuit power and d
5. C voltage Y Range Resolution Accuracy Overload protection 400 0mV 0 1mV 0 8 3 4 000V 1mV 40 00V 10mV 0 8 1 600V DC AC 400 0V 100mV 600V 1V 1 3 Input impedance 10M 18 UT204A OPERATING MANUAL 2 AC voltage y Range Resolution Accuracy Overload protection 4 000V 1mV 40 00V 10mV 1 5 400 0V 100mV 600V DC AC 6oov 1v E 1 2 5 Input impedance 10M not less than 100pF Frequency response 40Hz 400Hz AC conversion type AC conversion is to guarantee consistence with valid value by sine wave input and correction reading by way of response mode of average value 3 Resistance 2 Range Resolution Accuracy Overload protection 400 0 2 100m 2 1 2 2 4 000K Q 12 o 40 00K Q 10 Q 1 2 600Vp 400 0K Q 100 Q 4 000MQ2 1KQ 1 2 2 40 00MQ 10K2 1 5 2 4 Diode test gt Range Resolution Accuracy Overload protection To display approximate positive pressure drop Imv Open circuit voltage is 600Vp about 1 48V 5 Conductance test Range Resolution Accuracy Overload protection Buzzer will ring if it is less than or equal to 0 12 102 Open circuit 600Vp voltage is about 0 45V Note Buzzer will ring or not ring if measured resistance exceeds 109 during conductance test 19 UT204A OPERATING MANUAL
6. D display to guarantee high measurement precision To take battery out if clamp meter has not been used for a long time 9 Please do not alter internal wiring of clamp meter randomly to avoid instrument damage and safety danger 10 Do not store or use clamp meter in environment in high temperature high humidity combustible explosive and strong current magnetic environment 11 Please clean the instrument shell by soft cloth and neutral detergent during maintenance Do not use abrasive or solvent to avoid shell corrosion which may cause instrument damage and safety danger IV ELECTRIC SYMBOLS al Duplex insulation Grounding AC DC gt t Diode Deficient battery A Warning prompt Buzzing ON OFF AC or DC ce To meet European Union standard 3 UT204A OPERATING MANUAL V Appearance Structure shown in Figure 1 1 Input end LCD digit display Function key To select basic functions Measurement function knob White mark is initially set value Blue mark is validated after selecting blue key 5 Clamp head trigger To press the trigger to loosen clamp head Clamp head will be tightened again locally if loosening the trigger 6 Hand protection It is designed to guarantee safety when hand of users touching dangerous zone 7 Clamp head It is a device to measure AC DC current to convert current to voltage Single conductor of measured current mu
7. a sensitive device Hall element will be sensitive to heat and mechanical stress to different extents except magnetic sensitivity Collision will cause short term reading variation AC conversion type AC conversion is to guarantee consistence with valid value by sine wave input and correction reading by way of response mode of average value X Maintenance shown in Figure 13 A Warning Please remove testing rod before opening bottom cover to avoid electric shock 1 General maintenance A The clamp meter must be repaired and served by qualified professional repair personnel or designated repair department B To clean the shell periodically by dry cloth However it is not allowed to use detergent with abrasive or solvent components 22 UT204A OPERATING MANUAL UT204A OPERATING MANUAL Figure 13 2 Battery installation or replacement 1 6F22 9V battery shall be supplied for the product Please install or replace the battery by following sequence a Please remove testing rod in the input end during shutdown b To let panel face downwardly loosen screws on the cell box extract cell cover then remove cell box c To remove old battery from cell box for installation of new battery according to polarity instructions d Please use the same model of battery Please do not install improper battery e To install cell cover and lock screws after installation of new battery 23 Copyright 2011 Uni Trend Group L
8. ally until exiting measurement function of relative value by pressing the key again relative range can be switched over by pressing the key in v and Q measurement gears 3 SELECT It is a function selection key for switchover of 4x 2 4 and measurement gears by triggering Note Automatic shutdown function will be cancelled if pressing SELECT key for bootstrap after automatic shutdown 4 Automatic Shutdown Clamp meter will power off automatically under sleeping status to save electric energy if function key and knob switch fail to operate within 15 minutes during measurement Automatic shutdown function can be cancelled by pressing SELECT key for bootstrap Clamp meter will start up automatically under working status by rotating function key under automatic shutdown status Please refer to Clause 6 for effective key operation 6 UT204A OPERATING MANUAL Note Automatic shutdown function will be cancelled by pressing SELECT key for wake up under sleeping status 5 Buzzer Buzzer will beep if pressing any effective function key under any measurement gear It will not ring if the key is invalid Buzzer will issue 5 warning voices continuously about 1 minute before automatic shutdown It also will issue a long term voice before shutdown 6 Key validity Note all key operations are valid for any gear As shown in following form corresponding operation functions cannot be selected or instruments und
9. egrated circuit double integer A D converter with full range overload protection circuit and specific appearance design Clamp meter can be used to measure AC DC voltage current resistance diode circuit ON OFF capacitance frequency and temperature etc The usage manual includes related safety information and warning prompt etc Please read content carefully and abide by all warnings and notices strictly A Warning Please read Rules for Safe Operation carefully before usage of clamp meter ll UNPACKING INSPECTION Please open the package box and take instrument out Please check if following items are deficient or damaged or not 1 Usage manual 1 book 2 Probe 1 pair 3 Temperature probe 1 probe 4 Guarantee certificate 1 sheet Please contact your supplier instantly if any item is deficient or damaged UT204A OPERATING MANUAL lil RULES FOR SAFE OPERATION Please pay attention to Warning Sign A and Cautionary Words Warning refers to possible danger to user instrument or measured equipment The instrument shall be designed and produced according to GB4793 Safety Requirements of Electronic Measuring Instrument IEC 61010 1 and IEC 1010 2 032 Safety Standard to meet safety standards of duplex insulation over voltage CAT II 600V CAT III 300V and pollution level Protection ability may be weakened or lost if failing to use clamp meter according to related operation instructions
10. er sleeping status cannot be wakened up until effective key operation Key SELECT REL HOLD Vw e e ad 2H e e e Hz N A N A e 1c N A e e 40AxN e e 600AN e e Vill MEASUREMENT INSTRUCTIONS 1 DC voltage measurement v Shown in Figure 3 A Warning Clamp meter cannot be used for conductive article of which voltage exceeds AC DC 600V UT204A OPERATING MANUAL To set knob Please place function knob to measurement gear To select key functions To set measured DC voltage to initially set value Initially set automatic range can be set to relative range by pressing RELA key To connect load J __ gt A my Figure 3 To disconnect probe and measured circuit then remove probe from input end after all measurement operations 2 AC voltage measurement V shown in Figure 4 A Warning Clamp meter cannot be used for conductive article of which voltage exceeds AC DC 600V To set knob Please place function knob to v measurement gear 8 UT204A OPERATING MANUAL To select key functions To set measured DC voltage to initially set value Initially set automatic range can be set to relavite range by pressing RELA key To connect load m te ikl SQV MRS Figure 4 To disconnect probe and measured circuit then remove probe from input end after all measurement operations 3
11. ger slowly until it is closed completely Please check if measured conductor is in the middle of clamp head or not Additional error may be caused if failing to place it in the middle of clamp head Clamp meter can measure a current conductor once and measurement reading error may be caused if measuring two or more current conductors at the same time 10 AC current measurement 4 Shown in Figure 12 To set knob To place function knob to 40A or 600A measurement gear To select functions To press SELECT key for AC current measurement To connect load An Figure 12 16 UT204A OPERATING MANUAL Please do not loosen trigger suddenly As a sensitive device Hall element will be sensitive to heat and mechanical stress to different extents except magnetic sensitivity Collision will cause short term reading variation Please open the clamp head by pressing trigger then fetch measured conductor by clamp head and loosen trigger slowly until it is closed completely Please check if measured conductor is in the middle of clamp head or not Additional error may be caused if failing to place it in the middle of clamp head Clamp meter can measure a current conductor once and measurement reading error may be caused if measuring two or more current conductors at the same time IX TECHNICAL INDICATORS 1 General specification LCD display 3 3 4 bit LCD display with the maximum display to 3 999 Polar
12. imited All rights reserved Manufacturer Uni Trend Technology CHINA 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 Awww uni trend com 24
13. is from bottom to top for positive reading during DC current measurement As shown in Figure 11 panel is on the top and bottom cover is on the bottom Please do not loosen the trigger suddenly after pressing As a sensitive device Hall element will be sensitive to heat and mechanical stress to different extents except magnetic sensitivity Collision will cause short term reading variation More correct A measurement can be guaranteed by following operation methods Press the trigger and open clamp head to fetch measured conductor by clamp head then loosen trigger slowly until clamp head is closed completely Please check if measured conductor is in the middle of clamp head or not Additional reading error of 1 0 may be caused if failing to place it in the middle of clamp head To remove clamp head on the current conductor To press RELA key for display resetting To repeat step O To gain more correct reading by above measurement steps 21 UT204A OPERATING MANUAL 9 AC current AN Range Resolution Accuracy Fregueney Overload 40 00A 0 01A 2 5 8 600A MA E 2 5 5 50Hz 60Hz 600A DC AC Note Current measurement function must be fulfilled between 0 C and 40 C Frequency response 50Hz 60Hz Instable or incorrect inductive reading with less than 10 words may be displayed in AC current gear and it will not influence measurement result Please do not loosen trigger suddenly As
14. ischarge residual charge of all capacitors before load connection To set knob Please place function knob to Q gt 1 4 measurement gear To select functions To select conductance detection by pressing SELECT key To connect load 11 nE Figure 7 Buzzer will ring if measured resistance during conductance test is less than 102 It can ring or not ring if measured resistance exceeds 10 2 To disconnect probe and measured circuit then remove probe from input end after all measurement operations 6 Capacitance measurement 4 shown in Figure 8 A Warning Be sure to cut off circuit power and discharge residual charge of all capacitors before load connection To set knob Please place function knob to s measurement gear To select functions To select capacitance detection by pressing SELECT key To connect load 12 B MESSI Figure 8 Measurement notice 1 Be sure to reset by pressing REL key before measurement 2 Instrument reading will delay for about 30 seconds normally when measuring large capacitance To disconnect probe and measured circuit then remove probe from input end after all measurement operations 7 Frequency measurement Hz shown in Figure 9 A Warning Clamp meter cannot be used for conductive article of which voltage exceeds AC DC 600V To set knob Please place function knob to Hz measurement gear To
15. ity display Automatic positive negative polarity display Overload display To display OL or OL Under voltage display symbol can show that battery voltage is less than working voltage for battery replacement reference Sampling rate 3 times second Sensor category Hall affect sensor for DC AC measurement Error of testing position 1 0 of additional reading error may be caused if failing to place measured source to center of clamp head during current measurement 17 UT204A OPERATING MANUAL Collision resistance strength To bear falling off collision for 1m The maximum opening dimension of clamp head Diameter of 28mm The maximum forecast dimension of current conduits Diameter of 26mm Influence of electromagnetic field Device used near electromagnetic field may display unstable or incorrect reading 2 Environment limitation Indoor use The altitude height 2 000m Safety rules ICE 1010 1 CAT II 600V CAT III300V Hazard level 2 Operation temperature amp humidity 0 C to 30 C not more than 80 R H 30 C to 40 C not more than 75 R H 40 C to 50 C not more than 45 R H Storage temperature amp humidity 20 C to 60 C not more than 80 R H 3 Electrical specification Accuracy amp of reading and bit quantity Correction period is 1 year Ambient temperature 23 C 5 C Ambient humidity Not more than 80 R H Temperature coefficient 0 1 precision 1 C 1 D
16. select key functions To connect load 13 UT204A OPERATING MANUAL Hz OSS Scr Figure 9 To disconnect probe and measured circuit then remove probe from input end after all measurement operations 8 Temperature measurement C shown in Figure 10 To set knob To place function knob to C measurement gear To select functions To connec Gao Figure 10 14 UT204A OPERATING MANUAL 1 LCD will display OL if failing to insert temperature sensor into temperature gear Clamp meter will display current indoor temperature after user inserting temperature sensor 2 Temperature protection gear of the machine is plug in resistance R59 of 1K Q Electrified conductor cannot be inserted into input jack during temperature measurement to avoid resistance burnout 9 DC current measurement A shown in Figure 11 To set knob To place function knob to 40A or 600A measurement gear To select functions To set DC current measurement to initially set value To connect load Figure 11 15 UT204A OPERATING MANUAL Please do not loosen trigger suddenly As a sensitive device Hall element will be sensitive to heat and mechanical stress to different extents except magnetic sensitivity Collision will cause short term reading variation Please open the clamp head by pressing trigger then fetch measured conductor by clamp head and loosen trig
17. st pass through center of clamp head perpendicularly AON Figure 1 4 O Go N O21 ONO a ao NAO UT204A OPERATING MANUAL VI DISPLAY SYMBOLS SHOWN IN FIGURE 2 5 6 78910 11 12 Trus EX gt A a am a DCJ ug UU UJ Uma 13 halat ah US i T 46 Figure 2 AC signal measurement instructions Negative polarity instructions DC signal measurement instructions Instructions of deficient battery charge Automatic range instructions Diode testing instructions ON OFF detection instructions Measurement instructions of duty cycle Data maintenance instructions Measurement instructions of relative value Temperature measurement unit C Resistance measurement unit ohm kilo ohm and mega ohm Frequency measurement unit Hz Capacitance measurement unit nF and pF Current measurement unit A Voltage measurement unit mV and V UT204A OPERATING MANUAL Vil KEY FUNCTIONS AND AUTOMATIC SHUTDOWN 1 HOLD As reading maintenance key it is to maintain displayed reading by triggering Displayed value will be locked for constant display by pressing the key once It can be pressed again to release locking status and return to common measurement status 2 RELA Current display value of clamp meter will be used as reference value after pressing the key Display will be reset to 0 to minus reference value from measurement result automatic
Download Pdf Manuals
Related Search