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VFD-V & VFD-Hz function

Display Hold function

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  AutoCheck   Voltage & Ohms

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   5ms CREST-MAX capture mode (Peak Hold)

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   Autoranging Relative -Zero mode

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Jaw Opening  :

 55mm max.

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Display :

 3-5/6 digits 6000 counts & 

                     3½ digits 1,999 counts for Hz.

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Update Rate :

 5 per second nominal

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Polarity :

 Automatic

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Low Battery :

 Below approx 2.4V

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Operating Temperature : 

0 C to 40 C

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Sensing :

 TRMS sensing 

Relative Humidity :

 Maximum  80%  R. H.  

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     for temperature upto 31 C decreasing linearly  

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     to  50%  Relative Humidity at 40 C

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Storage Temperature :

  -20 C to 60 C, 

     < 80% R.H.   (With battery removed)

SPECIAL FEATURES :

GENERAL SPECIFICATIONS :

SAFETY :

An ISO 9001:2008  Company

®

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Double insulation per IEC/EN61010-1 2  Ed., 

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     UL61010-1 2  Ed., & CAN/CSA C22.2 

     No.61010.1-0.92 to Category 

     CAT IV 1000V AC & DC.

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Transient Protection :

 12 kV (1.2/50

m

s surge)

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Overload Protection :

     Clamp-on jaws

 : 2000A rms continuous

     “ + ” & COM Terminals (all other functions) : 

    1000V  rms.

Note: All Specification are Subject to change without prior notice.

Contd....2

AC / DC TRMS Clamp-On Multimeter with

VFD, EF-Detection & PC Interface

Model KM 2777 - TRUE RMS SENSING

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  EF-Detection (NCV)

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  Backlight LCD Display  

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  Auto Power Off

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  Diode Test & Continuity Test

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  PC Interface (Optional) 

ELECTRICAL  SPECIFICATIONS :  KM 2777

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Accuracy is ± (% readings number of digits) or otherwise specified, at 23 C ± 5 C & less than 75% R.H.  

True RMS Model KM 2777 voltage accuracies are specified from 5% to 100% of range or otherwise specified.

Maximum Crest Factor <1.4:1 at full scale & <2.8:1 at half scale, & with frequency components 

within the specified frequency bandwidth for non-sinusoidal waveforms.

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Optional Accessories :

 USB interface kit BRUA-19X, 

 

 

 

 

 

 

 

 

 

 

Altitude :

 Operating below 2000m

Temperature Coefficient :

 nominal 0.15 x (specified accuracy) / °C @ 

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                                                 (0 C--18 C or 28 C--40 C), or otherwise specified 

Power supply :

 Standard 1.5V AAA Battery x 2.

Power Consumption :

  Typical 14mA for Current function, 

                                             & 5.2mA for others.

APO Timing :

 Idle for 34 minutes

APO Consumption :

 10

m

A typical

Dimension :

 264(L) x 97(W) x 43(H) mm

Weight :

 Approx. 608gm.

Accessories :

 Test leads (pair), user’s manual, Bkp60 banana plug 

                              K-type Thermocouple x 1 & carrying case.

BKB32 banana 

                                             plug to type-K socket plug adaptor  

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Pollution degree :

 2

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EMC :

 Meets EN61326-1:2006 (EN55022,EN61000-3-2,EN61000-3-3,

      EN61000-4-2, EN61000-4-3, EN61000-4-4,EN61000-4-5,EN61000-4-6,

      EN61000-4-8,EN61000-4-11)

                 In an RF field of 3V/m :

                           Capacitance function is not specified

                           Other function ranges : Total Accuracy = Specified Ac 200 digits

      Performance above 3V/m is not specified.

ACA CURRENT(Clamp on)

1)

Accuracy

Resolution

Range

True RMS Crest Factor  :
< 1.4:1 at full scale & <2.8:1 at half scale

1)

Induced error from adjacent current carrying conductor : 

 <0.1A/A

±(2.0%rdg + 5dgts)

50Hz – 60Hz

200.0          A

0 ~ 500       A

500~2000   A

±(2.5%rdg + 5dgts)

±(3.0%rdg + 5dgts)

±(2.5%rdg + 5dgts)

40Hz~50Hz & 60Hz~400Hz

200.0          A

0 ~ 500       A

500~1000   A

±(3.0%rdg + 5dgts)

±(3.5%rdg + 5dgts)

1000~2000 A

Unspecified

DCA CURRENT(Clamp on)

1)2)

Accuracy

Resolution

Range

1 )

Induced error from adjacent current carrying conductor : 

 <0.1A/A

2 )

Specified with Relative Zero   mode applied to offset the

non-zero residual readings, if any.

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±(2.0%rdg + 5dgts)

200.0          A

0 ~ 500       A

500~2000   A

±(2.0%rdg + 5dgts)

±(2.5%rdg + 5dgts)

DC + ACA CURRENT(Clamp on)

1)2)

Accuracy

Resolution

Range

True RMS Crest Factor :
< 1.4:1 at full scale & <2.8:1 at half scale

1)

Induced error from adjacent current carrying conductor : 

 <0.1A/A

2 )

Specified with Relative Zero   mode applied to offset the

non-zero residual readings, if any.

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DC, 50Hz ~ 60Hz

200.0          A

2000           A

±(3.0%rdg + 8dgts)

40Hz ~ 50Hz & 60Hz ~ 400Hz

200.0          A

0 ~ 1000     A

1000~2000 A

±(3.5%rdg + 8dgts)

Unspecified

Preliminary Data

D:\Chhaya\My Documents\Chhaya\backup\catlog\New cat\KM 2776-KM 2777.cdr 

100 mA

1        A

1        A

100 mA

1        A

1        A

1        A

100 mA

1        A

1        A

100 mA

1        A

100 mA

1        A

1        A

Summary of Contents for KM 2777

Page 1: ...otherwise specified Power supply Standard 1 5V AAA Battery x 2 Power Consumption Typical 14mA for Current function 5 2mA for others APO Timing Idle for 34 minutes APO Consumption 10m A typical Dimens...

Page 2: ...olution Range 4 0 rdg 5dgts 2 1 Accuracy 600 0 m F 2000 m F 1 Accuracies with film capacitor or better 2 Temperature Coefficient 0 25 x specified accuracy C 0 C 18 C or 28 C 40 C 10 pF 100 pF 1 nF 10...

Page 3: ...faster than their rated life 2 Circuit breakers to trip prematurely 3 Fuses to blow 4 Neutrals to overheat due to triplen harmonics present on the neutral 180Hz 5 Bus bars and electrical panels to vib...

Page 4: ...00 0 433 0 416 3 8 2 000 0 331 0 243 26 5 2 000 0 242 0 130 46 2 One limitation to making true RMS measurements is crest factor and you should consider crest factor when making AC measurements Crest f...

Page 5: ...e 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 Batte...

Page 6: ...AC DC TRMS Clamp On Multimeter with VFD EF Detection PC Interface MODEL KM 2777...

Page 7: ...e building wiring It applies both to plug connected equipment and to PERMANENTLY CONNECTED EQUIPMENT The meter protection rating against the users is double insulation per IEC EN61010 1 2nd Ed UL61010...

Page 8: ...st leads connectors and probes for damaged insulation or exposed metal before using the instrument If any defects are found replace them immediately Only use the test lead provided with the equipment...

Page 9: ...specified 04 Power supply Standard 1 5V AAA Battery x 2 Power Consumption Typical 14mA for Current function 5 2mA for others APO Timing Idle for 34 minutes APO Consumption 10mA typical Dimension 264...

Page 10: ...s 40Hz 50Hz 60Hz 400Hz 200 0 A 0 500 A 500 1000 A 3 0 rdg 5dgts 3 5 rdg 5dgts 1000 2000 A Unspecified 100 mA 1 A 1 A 100 mA 1 A 1 A 1 A 06 DC ACA CURRENT Clamp on 1 2 Accuracy Resolution Range True RM...

Page 11: ...1 2 rdg 5dgts Input Impedance 10MW 50pF nominal 1 mV 10 mV 100 mV 1 V 08 VFD_ ACV with Low Pass Filter 6 000 V 4 rdg 80dgts 60 00 V 600 0 V 1000 V 1 Accuracy Resolution Range 10Hz 20Hz 20Hz 200Hz 2 20...

Page 12: ...pacitor or better 2 Temperature Coefficient 0 25 x specified accuracy C 0 C 18 C or 28 C 40 C 10 pF 100 pF 1 nF 10 nF 100 nF 1 mF 11 TM AUTOCHECK _DCV Accuracy Resolution Range TM AutoCheck Lo Z DCV T...

Page 13: ...6 000 V 1 5 rdg 5dgts 60 00 V 600 0 V 1000 V 1 Accuracy Resolution Range 50Hz 60Hz 1 mV 10 mV 100 mV 1 V TM AUTOCHECK _ACV TM AutoCheck Lo Z ACV Threshold 1 5V 50 60Hz nominal TM AutoCheck Lo Z ACV i...

Page 14: ...w trigger for opening the clamp jaw 15 TM This innovative AutoCheck feature automatically selects Hz measurement function of ACV DCV or Resistance based on the input via test leads CAUTION Before and...

Page 15: ...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 566mA 1000V x 1 41...

Page 16: ...around conductor s of only one single pole of a circuit for load current measurement Make sure the jaws are completely closed or else it will introduce measurement errors Enclosing conductor s of more...

Page 17: ...900V A reading higher than that indicates a leaky diode defective A zero reading indicates a shorted diode defective An OL indicates an open diode defective Reverse the test leads connections reverse...

Page 18: ...o use a plug adapter bkb32 optional purchase with banana pins to type k socket to adapt other type k standard mini plug temperature probes F C 1 SELECT 23 In Voltage or Current function press the EF b...

Page 19: ...ounds energized conductors It is ideal for tracing live wiring connections locating wiring breakage and to distinguish between live or earth connections Probe Contact EF Detection For more precise ind...

Page 20: ...heck batteries and test leads etc and replace as necessary Double check operating procedure as described in this user s manual Trouble Shooting If the instrument voltage resistance input terminal has...

Page 21: ...oducts 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...

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