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LIST OF PRODUCTS
¬ Digital Multimeter
¬ Digital AC & AC/DC Clampmeter
¬ AC Clamp Adaptor
¬ AC/DC Current Adaptor
¬ Thermo Anemometer
¬ Thermo Hygrometer
¬ Distance Meter
¬ Digital Lux Meter
¬ Network Cable Tester
¬ Power Factor Regulator
¬ Earth Resistance Tester
¬ Digital Panel Meters
¬ DC Power Supplies
¬ High Voltage Detector
¬ Calibrators
¬ Gas Analysers
¬ Frequency Counter
¬ Function Generator
¬ Phasing Sticks
¬ Battery Tester
¬ Waterproof Pen Testers
¬ Solar Power Meter
¬ EMF Detector
¬ Wood, Paper & Grain Moisture Meter
¬ Transistorised Electronic Analog & Digital Insulation
Resistance Testers(upto 10 KV)
¬ Digital Sound Level Meter & Sound Level Calibrator
¬ Digital contact & Non-contact Type Tachometer
¬ Digital Non-contact (infrared) Thermometer
¬ Maximum Demand Controller/Digital Power Meter
¬ Digital Hand Held Temperature Indicators
G 17, Bharat Industrial Estate, T. J. Road,
Sewree (W), Mumbai - 400 015. INDIA.
Sales Direct : (022) 24156638, 27754546.
Tel. : (022) 24124540, 24181649, 27750662.
Email : sales@kusam-meco.co.in
Website : www.kusamelectrical.com
®
AN ISO 9001:2015 COMPANY
TRMS
DIGITAL MULTIMETER
MODEL - KM 235
OPERATION MANUAL
® ®
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Related Manuals for Kusam-meco KM 235
Summary of Contents for Kusam-meco KM 235
- Page 1 ¬ Digital Sound Level Meter & Sound Level Calibrator ¬ Digital contact & Non-contact Type Tachometer ¬ Digital Non-contact (infrared) Thermometer ¬ Maximum Demand Controller/Digital Power Meter MODEL - KM 235 ¬ Digital Hand Held Temperature Indicators ® G 17, Bharat Industrial Estate, T. J. Road, Sewree (W), Mumbai - 400 015.
- Page 2 ® ® TABLE OF CONTENTS TRMS DIGITAL MULTIMETER TITLE PAGE NO. MODEL - KM 235 Safety............Cenelec Directives........III. Special Features......... IV. General Specifications....... Electrical Specifications......VI. Product Description........VII. Maintenance..........VIII. Test Certificate.......... Warranty............
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Page 3: International Electrical Symbols
® ® I) SAFETY : Observe proper safety precautions when working with voltages This manual contains information and warnings that must be above 33 Vrms, 46.7 Vpeak or 70 VDC. These voltage levels pose followed for operating the meter safely and maintaining the meter In other words, the meter will intelligently avoid entering the APO in a safe operating condition. -
Page 4: Cenelec Directives
® ® Measurement Category III is applicable to test and measuring III) SPECIAL FEATURES : circuits connected to the distribution part of the building's low- — — BeepLit™ Continuity — Backlighted LCD — Auto-ranging MAX/MIN/ voltage MAINS installation. Examples are measurements on —... - Page 5 ® ® Temperature function is not specified V) ELECTRICAL SPECIFICATIONS : Ohm function : Accuracy is given as ±(% of reading digits + number of digits) or Total Accuracy = Specified Accuracy + 15 digits otherwise specified @ 23 C ± 5 C ACV & ACA accuracies are Other functions : specified from 1 % to 100 % of range or otherwise specified.
- Page 6 ® ® VFD_ACV (with Low Pass Filter ) ACmV Accuracy Range Resolution Range Accuracy Resolution 10Hz ~ 100Hz (Fundamental) 10Hz ~ 500Hz 600.0V 100 mV 10 mV 1)2) 60.00mV ±(1.0%rdg+3d) ±(1%rdg+3dgts) 1000V 100 mV 600.0mV 100Hz ~ 400Hz (Fundamental) 500Hz ~ 800Hz 600.0V 100 mV 10 mV...
- Page 7 ® ® AutoV_ACV AutoV_ACV >8MΩ@ < 8Vdc (Protection clamping threshold) 25kΩ@ 9Vdc Range Range Accuracy Accuracy¹ Resolution Resolution 13kΩ@ 10Vdc 45Hz ~ 440Hz 45Hz ~ 440Hz 2.6kΩ@ 50Vdc At direct input >>50V (typical) from quiescence: 100 mV 100 mV 600.0V 600.0V ±(2%rdg+3dgts) ±(2%rdg+3dgts)
- Page 8 ® ® DC Current Temperature Range Accuracy Burden Voltage Resolution 1) 2) Range Accuracy 600.0mA 100 nA -40.0 ºC~99.9 ºC 0.1mV/mA 1.0% + 3d 1% + 1 ºC 6000mA 100 ºC~400 ºC 60.00mA 10 mA -40.0 ºF~99.9 ºF 1.9mV/mA 1% + 2 ºF 100 mA 600.0mA 0.7% + 3d...
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Page 9: Product Description
® ® VI) PRODUCT DESCRIPTION : triangle, pulse trains, spikes, as well as distorted waveforms with the presence of harmonics. Harmonics may cause : Note : Top of the line model is used as representative for illustration purposes. Please refer to your particular model for function 1) Overheated transformers, generators and motors to burn out availability. - Page 10 ® ® WARNING : AutoV mode input impedance increases abruptly from initial 2.1kΩ to a few hundred kΩ's on high voltage hard signals. “LoZ” displays on the LCD to remind the users of being in such low impedance mode. Peak initial load current, while probing 1000VAC for example, can be up to 673mA (1000V x 1.414 / 2.1kΩ), decreasing abruptly to approx.
- Page 11 ® ® Line Frequency functions Press the Hz push-button momentarily to toggle Hz function. It is only available to Voltage and Current related ranges. Input sensitivity varies automatically with the function range selected while activating the Hz function. 6V function range has the highest and the 1000V range has the lowest.
- Page 12 ® ® Application notes for flame sensors: DCmA function is useful for HVAC/R flame sensor applications. The 0.1mA resolution can identify the minute current changes in flame detector applications. Flame signal current check should indicate steady flame signal of at least 2mA for a rectification type, or 1.5mA for an ultraviolet type (8mA for self checking systems).
- Page 13 ® ® Electric Field EF-Detection Capacitance; Diode Press the EF button momentarily to toggle EF-Detection feature. Press the SELECT button momentarily to toggle the functions. Last The meter displays “EF-H” when it is ready. If it is too sensitive selection will be saved as power up default for repeat measurement for your applications, press (Level) button momentarily toggles to convenience.
- Page 14 ® ® Relative Zero ( ) mode Relative Zero allows the user to offset the meter consecutive measurements with the displaying reading as the reference value. Practically all displaying readings can be set as relative reference value including MAX/MIN/AVG feature readings. Press the button for one second or more to toggle Relative Zero mode.
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Page 15: Maintenance
® ® Trouble Shooting 1) Rotary switch or push button operations If the instrument fails to operate, check battery, fuses, leads, etc., 2) Significant measuring readings of above 8.5% of ranges and replace as necessary. Double check operating procedure as 3 ) Non-OL readings for Resistance, Continuity or Diode function described in this user's manual 4) Non-zero readings for Hz function... -
Page 16: Test Certificate
® WARRANTY MUMBAI Each “KUSAM-MECO” product is warranted to be free from defects in TEST CERTIFICATE material and workmanship under normal use & service. The warranty period is one year (12 months) and begins from the date of despatch of goods.
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