Fluke 345 - Symbols; Specifications

345
Calibration Manual
4
Symbols
Symbols used in this manual and on the Clamp Meter are listed in Table 1.
Table 1. Symbols
X
Hazardous voltage. Risk of electrical
shock.
W
Risk of danger. Important information. See
manual.
,
Application to or removal from hazardous,
live conductors is permitted.
M Battery
e Low batteries a Batteries fully charged
Battery Eliminator is connected. ~
Do not dispose of this product as unsorted
municipal waste. Contact Fluke or a
qualified recycler for disposal.
J Earth ground ) Canadian Standards Association.
T Double insulated
;
N10140
Conforms to relevant Australian standards.
CAT
III
Equipment designed to protect against
transients in equipment in fixed-equipment
installations, such as televisions, personal
computers, protable tools, and other
household appliances.
CAT
IV
Equipment designed to protect against
transients from the primary supply level,
such as an electricity meter or an overhead
or underground utility service.
P Conforms to requirements of European Union and European Free Trade Association (EFTA).
Specifications
Electrical Data
All accuracies specified at 23 °C ± 1 °C
Temperature coefficient of current ≤ ±0.15 % of rdg per °C
Temperature coefficient of voltage ≤ ±0.15 % of rdg per °C
Current Measurement (DC, DC RMS, AC RMS)
Measuring range................................................. 0 – 2000 A dc, 1400 ac rms
Autorange facility ................................................ 40 A / 400 A / 2000 A
Resolution........................................................... 10 mA in 40 A range
100 mA in 400 A range
1 A in 2000 A range
Accuracy
RMS and DC
I > 10 A ........................................................... ± 1.5 % rdg ± 5 digits
I < 10 A ........................................................... ± 0.2 A
AVE
I > 10 A ........................................................... ± 3 % rdg ± 5 digits
I < 10 A ........................................................... ± 0.5 A
Pk
I > 10 A ........................................................... ± 5 % rdg ± 5 digits
I < 10 A ........................................................... ± 0.5 A
AHr
I > 10 AHr........................................................ ± 2 % rdg ± 5 digits
I < 10 AHr........................................................ ± 0.5 AHr
CF (Crest Factor)
1.1 ≤ CF < 3 .................................................... ± 3 % rdg ± 5 digits