Kusam-meco KM 857, Operation Manual

Page 1: ... Digital contact Non contact Type Tachometer Digital Non contact infrared Thermometer Thermo Hygrometer Thermo Anemometer Wood Paper Moisture Meter Distance Meter Digital Hand Held Temperature Indicators Digital Lux Meter Network Cable Tester Power Factor Regulator Maximum Demand Controller Digital Power Meter Earth Resistance Tester Gas Analysers Panel Meters Battery Testers DC Power Supply Vehic...

Page 2: ...DIGITAL MULTIMETER KM 857 KM 859CF we damage them or burn them out If you incorrectly TAKE MEASUREMENTS CAREFULLY AND YOU LL SPARE YOUR METER AND YOURSELF SOME PAIN ...

Page 3: ...lowed for operating the instrument safely and maintaining the instrument in a safe operating condition If the instrument is used in a manner not specified by the manufacturer the protection provided by the instrument may be impaired The meter is intended only for indoor use KM857 Terminals to COM ratings V Category III 1000V AC DC Category IV 600V AC DC A mAm A Category III and Category IV 600V AC...

Page 4: ...d tips or the circuit being tested while power is applied to the circuit being measured Keep your fingers behind the finger guards of the test leads during measurement Inspect test leads connectors and probes for damaged insulation or exposed metal before using the instrument If any defects are found replace them immediately 2 Do not measure any current that exceeds the current rating of the prote...

Page 5: ...C DC and Category IV 600V AC DC o 3 GENERAL SPECIFICATIONS KM857 Terminals to COM ratings V Category III 1000V AC DC Category IV 600V AC DC A mAm A Category III and Category IV 600V AC and 300V DC 4 KM859CF Terminals to COM ratings V A mAm A Category III 1000V AC DC and Category IV 600V AC DC Overload Protections KM 857 m A mA 1A 600V IR 10kA or better F Fuse A 10A 600V IR 100kA or better F Fuse V...

Page 6: ...b32 banana pins to K type socket plug adapter Accessories Test leads pair Holster Battery installed user Manual Bkp60 banana plug K type Thermocouple x 1 KM 859CF 6 AC AC DC VOLTAGE Range KM859CF KM857 Accuracy 20Hz 45Hz 500 00mV 5 0000V 1 5 60d 50 000V Unspec d 500 00V Unspec d 1000 0V 500 00mV 0 3 20d 5 0000V 0 8 20d 50 000V 0 8 60d 500 00V 0 4 40d 1000 0V 45Hz 300Hz 4 ELECTRICAL SPECIFICATIONS ...

Page 7: ...d 40Hz 20kHz Input Impedance 10MW 30pF nominal Selectable reference impedance of 4 8 16 32 50 75 93 110 125 135 150 200 250 300 500 600 800 900 1000 1200W W 8 RESISTANCE Open Circuit Voltage 1 3VDC 3VDC for 500W range Range KM859CF KM857 Accuracy 500 00W 0 07 10d 5 0000kW 0 1 6d 50 000kW 0 07 2d 500 00kW 5 0000MW 0 2 6d 0 4 6d 50 000MW 2 0 6d 2 0 6d DC VOLTAGE Range KM859CF KM857 Accuracy 500 00mV...

Page 8: ...3 3 mV mA 500 00mA 0 1 30d 3 3 mV mA 5 0000A 0 5 20d 45 mV A 10 000A 0 5 20d 45 mV A 10A continuous 10A to 15A to 20A for KM 859CF for 30 second max with 5 minutes cool down interval 10 AC AC DC CURRENT Range KM859CF KM857 Accuracy 50Hz 60Hz 500 00m A 0 15mV A m 5000 0 A 0 15mV A m m 50 000mA 0 5 50d 1 0 40d 3 3mV mA 500 00mA 3 3mV mA 5 0000A 45mV A 10 000A 45mV A 40Hz 1kHz Burden Voltage 500 00m ...

Page 9: ... LEVEL FREQUENCY Function Range Sensitivity Sine RMS 100mV 1V 10V 100V 900V 10Hz 200kHz 10Hz 200kHz 10Hz 100kHz 10Hz 100kHz 10Hz 10kHz Accuracy 0 02 4d 12 5 PRODUCT DESCRIPTION Panel IIIustration 1 5 4 5 digits 500000 counts LCD display 2 Push buttons for special functions features 3 Selector to turn the Power On or Off and Select a function 4 Input jack for 10A 20A for 30sec current and for T2 fu...

Page 10: ... the AC true RMS function will only give the AC component reading which is at 43 6 of the total effective DC AC RMS reading AC True RMS 14 DC AC True RMS calculates both of the AC and DC components given by the expression 2 2 DC AC rms When making measurement and can respond accurately to the total effective RMS value regardless of the waveform Distorted waveforms with the presence of DC component...

Page 11: ...eter needle It is excellent in detecting faulty contacts identifying potentiometer clicks and indicating signal spikes during adjustments Analog bar graph is not available in AC DC True RMS Voltage Current modes Analog bar graph 16 In AC Voltage press SELECT button momentarily to toggle between AC and dBm In DC Voltage press SELECT button momentarily to toggle between DC and DC AC In mV Voltage pr...

Page 12: ...ore displaying the dBm readings Press dBm W RANGE button momentary to select different reference impedance of 4 8 16 32 50 75 93 110 125 135 150 200 250 300 500 600 800 900 1000 up to 1200W The new impedance value will be saved automatically to the non volatile memory as power up default 18 19 ...

Page 13: ...other trigger level range manually The analog bargraph pointer will point at the selected trigger level range scale 1 2 3 or 4 If the Hz reading is unstable select lower sensitivity to avoid electrical noise If the reading shows zero select higher sensitivity Press SELECT button momentarily to toggle between Hz and duty cycle readings The new setting will be saved automatically to the non volatile...

Page 14: ...emory as power up default Press T1 T2 RANGE button momentarily to select T1 T2 or T1 T2 readings 22 Note insert the banana plug K type temperature bead probe stadard accessory x 1 with correct polarities Dual channels T1 T2 readings require 2 probes You can also use a plug adapter Optional purchase with banana pins to K type socket to adapt other standard K type mini plug temperature probes 23 ...

Page 15: ... continuity function in a live circuit will produce false results and may damage the meter In many cases the suspected component must be disconnected from the circuit to obtain an accurate reading CAUTION 24 CAPACITANCE DIODE TEST FUNCTION Press SELECT button momentarily to toggle between Capacitance and Diode test function The new setting will be saved auto matically to the non volatile memory as...

Page 16: ... m A mA or A input jack Press SELECT button momentarily to select DC AC or DC AC The new settings will be saved automatically to the non volatile memory as power up default In DC mA function neither in AC nor in DC AC press and hold the 4 20mA Hz button for 1 second or more to display the current digital data in terms of loop current percentage value It is set at 4mA 0 zero and 20mA 100 span with ...

Page 17: ...m or minimum reading is updated Press the button momentarily to read throughout the Maximum MAX Minimum MIN and Maximum minus Minimum MAX MIN readings Press the button for 1 second or more to exit MAX MIN recording mode Auto Power Off feature will be disabled automatically in this mode MAX MIN RECORDING mode Press CREST button momentarily to activate CREST mode to capture voltage or current signal...

Page 18: ...ld function freezes the display for later view Press the HOLD button momentarily to activate or to exit the hold function H H Hold Set Beeper Off 30 Press the RANGE button while turning the meter on to disable the Auto Power Off APO feature The Intelligent Auto Power Off APO mode turns the meter off automatically to extend battery life after approximately 17 minutes of no activities Activities are...

Page 19: ...l has subjected to high voltage transient caused by lighting or switching surge to the system by accident or abnormal conditions of operation the series fusible resistors will be blown off become high impedance like fuses to protect the user and the instrument Most Trouble Shooting 32 Battery replacement for models with battery access door Loosen the 2 screws from the battery access door of the ca...

Page 20: ...ws Fuse replacement and also Battery replacement for splash proof version without battery access door 34 MUMBAI TEST CERTIFICATE DIGITAL MULTIMETER This Test Certificate warrantees that the product has been inspected and tested in accordance with the published specifications The instrument has been calibrated by using equipment which has already been calibrated to standards traceable to national s...

Page 21: ...ized dealer shall extend this warranty on new and unused products to end user customers only but have no authority to extend a greater or different warranty on behalf of KUSAM MECO KUSAM MECO s warranty obligation is limited at option free of charge repair or replacement of a defective product which is returned to a KUSAM MECO authorized service center within the warranty period 36 G 17 Bharat Ind...