Atec Fluke-1735 - Manual (Page 4)

4 Fluke Corporation 1735 Three-Phase Power Logger
A-rms measurement
Flexi set I ranges 15 A/150 A/3000 A rms (at sine)
Current clamp ranges 1 A/10 A
Resolution 0.01 A
Ranges 150 A/3000 A and 1 A/10 A
Intrinsic error: ± (0.5 % of m. v. + 10 digit)
Operating error: ± (1 % of m. v. + 10 digit)
Ranges 15 A
Intrinsic error: ± (0.5 % of m. v. + 0 digit)
Operating error: ± (1 % of m. v. + 0 digit)
The errors of the current probes are not considered.
By using Flexi-Set:
Flexi Set measuring error ± ( % of m.v. + 10 digit)
Position influence ± (3 % of m.v. + 10 digit)
CF (typical) .83
Note: When using Flexi Set please make sure to position the conductor opposite to
the Flexi Set-lock (refer following figure).
conductor
lock
Flexi Set-Lock
Power measurement (P – Active, S – Apparent,
Q – Reactive, D – Distorting)
•
Measuring range: see V rms and A rms measurement
•
Power errors are calculated by adding the errors of
voltage and current
•
Additional error due to power factor PF
•
Specified error x(1- |
PF
|
)
•
Maximum range with voltage range 830 V delta-
connection and 3000 A current range is .490 MW,
higher displayed values possible when using PTs and
CTs with ratio feature
Intrinsic error ± (0.7 % of m.v. + 15 digit)
Resolution 1 kW
Operating error ± (1.5 % of m.v. + 0 digit)
•
Typical range with voltage range 30 V wye connection
and 150 A current range is 34.50 KW.
Intrinsic error ± (0.7 % of m.v. + 15 digit)
Resolution 1 W to 10 W
Operating error ± (1.5 % of m.v. + 0 digit)
The errors of the current sensors themselves have not been considered.
Energy measurement (kWh, kVAh, kVARh)
Intrinsic error ± (0.7 % of m.v.+ F variation error*
+ 15 digit)
Resolution 1 W to 10 W
Operating error ± (1.5 % of m.v. + F variation error* +
0 digit)
*Frequency variation error
PF (Power factor)
Range 0.000 to 1.000
Resolution 0.001
Accuracy ± 1 % of full scale
Frequency measurement
Measuring range 46 Hz to 54 Hz and 56 Hz to 64 Hz
Intrinsic error ± (0. % of m.v. + 5 digit)
Operating error ± (0.5 % of m.v.+ 10 digit)
Resolution 0.01 Hz