Extech MA435T Manual
Contents
1. Net ercTools netzerotools com 800 577 6389 USER GUIDE Extech MG300 MTK Motor and Drive Troubleshooting Kit 400Amp AC Clamp Meter NCV Model MA430 netzerotools com netzerotools com Introduction Congratulations on your purchase of this Extech MA430 Clamp Meter This meter measures AC Current AC DC Voltage Resistance Diode Test Continuity and Non Contact Voltage detection The double molded case is designed for heavy duty use This device is shipped fully tested and calibrated and with proper use will provide years of reliable service Please visit our website to check for the latest version of this User Guide Product Updates and Customer Support Safety International Safety Symbols This symbol adjacent to another symbol or terminal indicates the user must refer to the manual for further information This symbol adjacent to a terminal indicates that under normal use hazardous voltages may be present m Double insulation WARNING WARNING This WARNING symbol indicates a potentially hazardous situation which if not avoided could result in death or serious injury This CAUTION symbol indicates a potentially hazardous situation which if not AUTION a avoided may result damage to the product PER IEC1010 OVERVOLTAGE INSTALLATION CATEGORY OVERVOLTAGE CATEGORY I Equipment of OVERVOLTAGE CATEGORY is equipment for connection to circuits in which measurements are taken to limit the tr2. ansient overvoltages to an appropriate low level Note Examples include protected electronic circuits OVERVOLTAGE CATEGORY II Equipment of OVERVOLTAGE CATEGORY II is energy consuming equipment to be supplied from the fixed installation Note Examples include household office and laboratory appliances OVERVOLTAGE CATEGORY III Equipment of OVERVOLTAGE CATEGORY III is equipment in fixed installations Note Examples include switches in the fixed installation and some equipment for industrial use with permanent connection to the fixed installation OVERVOLTAGE CATEGORY IV Equipment of OVERVOLTAGE CATEGORY IV is for use at the origin of the installation Note Examples include electricity meters and primary over current protection equipment 2 MA430 EU EN V1 1 3 13 netzerotools com netzerotools com Net Tools 800 571 6389 SAFETY NOTES a e Do not exceed the maximum allowable input range of any function e Do not apply voltage to meter when resistance function is selected e Set the function switch OFF when the meter is not in use e Remove the battery if meter is to be stored for longer than 60 days WARNINGS e Set function switch to the appropriate position before measuring e When measuring volts do not switch to current resistance modes e Do not measure current on a circuit whose voltage exceeds 600V e When changing ranges always disconnect the test leads from the circuit under test CAUTIONS e Improper use o
3. chased or wherever batteries are sold SSS Disposal Do not dispose of this instrument in household waste The user is obligated to take end of life devices to a designated collection point for the disposal of electrical and electronic equipment Other Battery Safety Reminders o Never dispose of batteries in a fire Batteries may explode or leak o Never mix battery types Always install new batteries of the same type 8 MA430 EU EN V1 1 3 13 netzerotools com netzerotools com Net Tools 800 571 6389 Wwww netzerotools com Specifications N eare 200 0 V 0 1V 200 0 V 0 1V 9 MA430 EU EN V1 1 3 13 netzerotools com General Specifications Clamp jaw opening Display Continuity check Diode test Low Battery indication Over range indication Display rate Input Impedance AC bandwidth AC response Operating Temperature Storage Temperature Operating Humidity Storage Humidity Operating Altitude Battery Auto power OFF Dimensions amp Weight Safety Approvals netzerotools com et I www 30mm 1 18 approx 2 000 count LCD Threshold lt 150Q Test current lt 0 5mA Test current of 0 3mA typical Open circuit voltage 1 5VDC typical Battery symbol is displayed OL displayed 2 readings per second nominal 10MQ VDC and VAC 50 to 60Hz VAC Average responding 5 C to 40 C 41 F to 104 F 20 C to 60 C 4 F to 140 F Max 80 up to 31 C 87 F decreasing lin
4. early to 50 at 40 C 104 F lt 80 2000meters 7000ft maximum 9V battery After approx 15 minutes 200x66x37mm 7 9x2 6x1 5 205g 7 230z For indoor use and in accordance with the requirements for double insulation to IEC1010 1 2001 EN61010 1 2001 Overvoltage Category III 600V Pollution Degree 2 CE 10 MA430 EU EN V1 1 3 13 netzerotools com Tools 800 577 6389
5. f this meter can cause damage shock injury or death Read and understand this user manual before operating the meter e Always remove the test leads before replacing the battery or fuses e Inspect the condition of the test leads and the meter itself for any damage before operating the meter Repair or replace any damage before use e Use great care when making measurements if the voltages are greater than 25VAC rms or 35VDC These voltages are considered a shock hazard e Always discharge capacitors and remove power from the device under test before performing Diode Resistance or Continuity tests e Voltage checks on electrical outlets can be difficult and misleading because of the uncertainty of connection to the recessed electrical contacts Other means should be used to ensure that the terminals are not live e If the equipment is used in a manner not specified by the manufacturer the protection provided by the equipment may be impaired AC Amps 400A AC DC Volts 600V DC AC Resistance Diode Test Continuity 250V DC AC 3 MA430 EU EN V1 1 3 13 netzerotools com netzerotools com Net Tools 800 577 6389 www netzerotools com Description Meter Description 1 NCV sensor 2 Current clamp 3 Non contact AC voltage indicator light 4 Clamp trigger 5 Data Hold button 6 LCD display 7 MODE select button 8 COM input jack 9 Rotary Function switch 10 Backlight button 11 Range button 12 MAX but
6. imately 15 seconds for it to turn off automatically Automatic Power Off In order to conserve battery life the meter will automatically turn off after approximately 15 minutes The meter will beep before shutting down To turn the meter on again change the position of the function switch Low battery indication When the icon appears in the display the battery should be replaced Refer to the battery replacement procedure in the maintenance section 7 MA430 EU EN V1 1 3 13 netzerotools com netzerotools com cy Net Tools 800 571 6389 www netzerotools com Maintenance WARNING To avoid electrical shock disconnect the meter from any circuit remove the test leads from the input terminals and turn OFF the meter before opening the case Do not operate the meter with an open case Cleaning and Storage Periodically wipe the case with a damp cloth and mild detergent do not use abrasives or solvents If the meter is not to be used for 60 days or more remove the battery and store it separately Battery Replacement EO 1 Remove the Phillips head screw that secures the rear battery cover 2 Open the battery compartment 3 Replace the 9V battery 4 Secure the battery compartment door Never dispose of used batteries or rechargeable batteries in household waste As consumers users are legally required to take used batteries to appropriate collection sites the retail store where the batteries were pur
7. lamp measurements Rotate the Function switch to the 400A position 2 Press the trigger to open jaw Fully enclose only one conductor 3 Read the current value in the display If the value is less than 200A rotate the function switch to a lower range to improve resolution 5 MA430 EU EN V1 1 3 13 netzerotools com netzerotools com Tools 800 571 6389 AC DC Voltage Measurements 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 Rotate the function switch to the VAC or the VDC position 2 Insert the black test lead banana plug into the negative COM jack Insert the red test lead banana plug into the positive V jack 3 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 4 Read the voltage value in the display Resistance Diode Continuity Measurements Note Remove power from the device under test before making resistance measurements 1 Set the function switch to the Q position 2 Insert the black test lead banana plug into the negative COM jack Insert the red test lead banana plug into the positive Q jack 3 Touch the black test probe tip to one side of the device Touch the red test probe tip to the other side of the device 4 Read the resistance value in the display 5 Press the MODE button to select the DIODE mode The Di
8. ode symbol will appear in the display 6 Press the MODE button to select the Continuity mode The continuity symbol will appear in the display If the resistance is lt 150 ohms the tone will sound 6 MA430 EU EN V1 1 3 13 netzerotools com netzerotools com Net Tools G 800 577 6389 Data Hold To freeze the LCD reading press the HOLD button The HOLD icon appears on the LCD Press the HOLD button again to return to normal operation MAX Press the MAX button to display and hold the maximum reading The display will update if a higher reading is detected Press the MAX button to exit the mode RANGE Voltage and Resistance functions When the meter is first turned on it automatically goes into Auto Ranging This automatically selects the best range for the measurements being made and is generally the best mode for most measurements For measurement situations requiring that a range be manually selected perform the following 1 Press the RANGE button and the AUTO icon will turn of 2 Press the RANGE button to step through the available ranges until the range needed appears 3 Press and hold the RANGE button for 2 seconds to exit the Manual Ranging mode and return to Auto Ranging MODE Press the MODE button in the Q Diode Continuity position to select the function to be used Backlight Press and hold the SA button for 2 seconds to turn the backlight on Repeat the press to turn the backlight off or wait approx
9. ton 13 V Q Hz jack 14 Battery Cover rear Display icons Description HOLD Data Hold AUTO Autoranging MAX Max hold DC Direct Current AC Alternating Current di Low battery V Volts Voltage Q Ohms Resistance A Amperes Current m M k Unit of measure prefixes GAI Continuity test gt Diode test 4 MA430 EU EN V1 1 3 13 netzerotools com netzerotools com cy Net Tools 800 571 6389 Wwww netzerotools com Operation NOTES Read and understand all Warning and Caution statements in this operation manual prior to using this meter Set the function select switch to the OFF position when the meter is not in use Non Contact Voltage Detector WARNING Risk of Electrocution Before use always test the Voltage Detector on a known live circuit to verify proper operation 1 Rotate the Function switch to any position 2 Place the detector probe tip on the conductor to be tested 3 If AC voltage is present the NCV detector light will turn on with a steady red light NOTE The conductors in electrical cord sets are often twisted For best results move the probe tip along a length of the cord to assure placing the tip in close proximity to the live conductor NOTE The detector is designed with high sensitivity Static electricity or other sources of energy may randomly trip the sensor This is normal operation AC Current Measurements WARNING Disconnect the test leads before making c
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