User`s Manual (PDF 370K)
Contents
1. y A 457 G4 General Technologies Corp 1 SAFETY RULES e This meter is designed for indoor use at temperatures between 0 C to 40 C and altitudes up to 2 000m e To ensure that the meter is used safely follow all safety and operating instructions in this operation manual If the meter is not used as described in this operation manual the safety features of this meter might be impaired e Do not use the meter if the meter or test leads look damaged or if you suspect that the meter is not operating properly e When using the instrument keep your fingers behind the finger guards on the plastic casing and probes e Disconnect the live test lead before disconnecting the common test lead e Make sure power is off before cutting desoldering or breaking the circuit wires Small amounts of current can be dangerous e Do not apply more than 600 VDC or 600V AC rms between a terminal and ground e To avoid electrical shock use CAUTION when working above 60V DC or 25V AC rms Such voltages pose a shock hazard e Never make measurements with the battery cover off e To avoid electrical shock or damage to the meter do not exceed the input limits 2 INTERNATIONAL SYMBOLS Important information Dangerous Voltages see manual Continuity AC Ground DC E Double Insulation 3 TECHNICAL SPECIFICATIONS 3 1 General Specifications Display 3 3 4 digit LCD with decimal point and 33 segments bargraph display Polarity Automati2. 3 Display Hold The Hold Button is used to hold display readings during measurements e Pressing the button holds the display reading and H appears on the display e Pressing the button again resumes normal operation 5 MAINTENANCE CAUTION Before attempting battery removal or replacement disconnect test leads and remove the instrument from any energized circuit to avoid shock hazard 5 1 Battery Replacement e To replace the battery remove the screw of the back Battery Cover back of the case and remove the batteries e Replace with new 1 5 V alkaline battery type AA UMS or equivalent observing the proper polarity from the diagram on the label inside the battery compartment e Reinstall the battery cover and tighten the securing screw 5 2 Fuse replacement e Remove the screw of the back Battery Cover back of the case and remove the batteries e Remove the four screws at the bottom of the case and of the bat tery compartment e Replace new fuses only with the identical type and rating F1 200mA Type IEC60127 2 or UL248 14 5 x 20mm fast acting fuse rated at 400mA 250V Type IEC60127 2 orUL248 14 6 3x25 4mm fast acting fuse rated at 10A 250V e Reinstall the back cover and replace the four screws F2 10A e Reinstall the battery observing the polarity on the battery compartment label the battery cover and tighten the securing screw 5 3 Cleaning Periodically wipe the case with a soft dam
3. Set the FUNCTION SWITCH switch to the Q function e Connect the test leads across the componet or circuit under measurement e The range will adjust automatically for optimal readout and the measurement will be shown the LCD Display when the probe are connected 4 4 Other Functions CAUTION Maximum Input Voltage for this function is 250 Vrms for less than 10 Sec do not exceed this rating to avoid personal injuries or damage to the instrument Also ensure there is no power applied to the diode 4 4 1 Diode test e Connect the black test lead to the COM socket and red test lead to the V Q mA socket e Set the FUNCTION RANGE switch to the Q gt function e Press the AC DC Beeper Diode button until the diode test enable symbol appears on the display e Proceed to connect the test leads across the diode observing the polarity red probe to the anode of the diode and black test lead to the cathode e The measurement will be shown on the LCD Display when the diode is connected 4 4 2 Continuity Test e Connect the black test lead to the COM socket and red test lead to the V Q mA socket e Set the FUNCTION RANGE switch to the Q gt function e Press the AC DC Beeper Diode button until the beeper enable symbol appears on the display e Proceed to connect the test leads across the circuit or component to test e Buzzer will sound if the circuit resistance is below 18Q 4 4
4. age Resistance lt 15V 1 Case 1 2 Display S MAN 3 Hold button 1 a g g H m 4 Function switch 2 AUNIOAAUATAAARNAATEUENCNLT ATLAN gt 5 Input and common connectors 6 Alterate function button 7 Range button AUTO QI SELECTION AUTO OFF max 10A wax dov z fused _ Sie 10A COM VQmA 4 2 LCD Display Description Beeper enable Digital Readout Manual range enable Measurement units DC Data Hold o ap aD aD H ool LOLI Mk E E A E A E AC Low battery EEE Diode test enable Analog bar graph 4 3 Measurement Procedures A CAUTION Maximum Input Voltage is 6 00Vrms do not exceed this rating to avoid personal injuries or damage to the instrument The range FUNCTION RANGE switch should be set to the range you want to test before the operation CAUTION Always ensure that the correct terminals are used for the type of measurement to be made Avoid making connections to live circuits whenever possible When making current measurements en sure that the circuit is not live before opening it in order to connect the test leads 4 3 1 AC DC Voltage measurement e Connect the black test lead to the COM socket and red test lead to the V Q mA socket e Set the FUNCTION SWITCH to the desired range V function for Manual range V function for Auto range e If MANUAL MODE is selected and the voltage range is not known
5. beforehand using the RANGE BUTTON to set the range to the highest and work down as needed e If in MANUAL MODE select AC or DC voltage measurement by pressing the AC DC Beeper Diode Button function button e Connect the test leads across the source or load under measurement e The measurement and polarity will be shown the LCD Display when the probe are connected 4 3 2 AC DC Current measurement e Connect the black test lead to the COM socket and red test lead to V Q mA for measurements below 320 mA 10 A for measurements between 320 mA and 10 A e Select the current range using the FUNCTION SWITCH if the current range is not known beforehand start with the highest range and work down as needed e If needed select AC or DC current measurement by pressing the AC DC Beeper Diode Button function button e Connect the test leads in series with the circuit or load under measurement e The measurement and polarity will be shown the LCD Display when the probe are connected and current flows through the meter 4 3 3 Resistance measurement CAUTION Maximum Input Voltage for this function is 250 Vrms for less than 10 Sec do not exceed this rating to avoid personal injuries or damage to the instrument Also ensure there is no power applied to the component or circuit and all capacitors are discharged e Connect the black test lead to the Q gt socket and red test lead to the V Q mA socket e
6. c negative polarity indication Zero adjustment Automatic Sample rate 0 5 Sec Over range indication Symbol GL is displayed Power 2x 1 5 V battery type AA UM3 or equiv Power saving Automatic power off Battery life Approx 50 hours w alkaline batteries Dimension 6 34 x 3 x 2 HxWxD Weight Approx 11 4 Oz including batteries Accesories User s Manual Test Leads Protective Holster Soft Pouch and 2 x 1 5 Volt alkaline batteries 3 2 Electrical Specifications e Accuracies are of reading number of least significant digits at 23 C 5 C less than 75 RH Function Range Accuracy put Remarks Impedance DC Voltage ey ous 1 2 2 320V 600V Overload Protection 600 Vp p 600 Vp p 3 2V 32V AC Voltage 320V 600V 1 2 5 50 400Hz lt 163 mV Voltage Drop tection TOA DC Current JOA mattor lt 10 Sec 250V 10A max 10 AC Current 320A 3200A 32mA 320MA Fuse pro 320pA 3200A lt 163 mV Voltage Drop a 320mA 10A max for lt 10 Sec Fuse pro tection 10A 250V 5 5 CT8017 Autorange Digital Multimeter Function Range Accuracy Remarks Overload Protection 3209 3 2KO 1 2 5 32kQ 320kQ 3 2MQ 32MQ 3 5 5 250 Vp p Continuity Buzzer sounds when lt 18Q Test Voltage 1 2 V Max 250 Vrms Diode Test Displays forward diode Volt Test Current lt 0 6mA 250 Vrms age drop Vf 4 OPERATION 4 1 Instrument Description 250 Vp p Max Testing Volt
7. p cloth and mild household cleanser Do not use abrasives or solvents Ensure that no water gets inside the instrument to prevent possible shorts and damage 6 WARRANTY One year limited warranty excluding batteries and fuses For details see Standard Warranty Information in our webpage or you may request a printed copy General Technologies Corp 121 7350 72nd Street Tel 604 952 6699 Fax 604 952 6690 www generaltechnologies net Delta BC Canada V4G 1H9 Copyright 2001 General Technologies
Download Pdf Manuals
Related Search