True RMS Model KM 2778 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.
ELECTRICAL SPECIFICATIONS :
Accuracy is ± (% readings number of digits) or otherwise
o
o
specified, at 23 C ± 5 C & less than 75% R.H.
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
100 mA
1 A
1 A
100 mA
1 A
1 A
1 A
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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
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.
Optional Accessories :
USB interface kit BRUA-19X,
BKB32 banana plug to type-K socket plug adaptor
SAFETY :
Double insulation per UL/IEC/EN61010-1 Ed. 3.0, IEC/EN61010-
2-033 Ed.1.0, CAN/CSA C22.2 No.61010.1 Ed.3.0, IEC/EN61010-
2-032 Ed.3.0 & IEC/EN61010-031 Ed.1.1 to CAT IV 1000V AC/DC.
Transient Protection :
12 kV (1.2/50
s surge)
Overload Protection :
Clamp-on jaws : 2000A DC/AC rms continuous
“ + ” & COM Terminals (all other functions) : 1000V DC/AC rms.
Pollution degree :
2
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.
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