Datasheet

4 Fluke Corporation Fluke 1736 and 1738 Three-Phase Power Loggers
Accuracy
Parameter Range Max. resolution
Intrinsic accuracy at reference conditions
(% of reading + % of full scale)
Voltage 1000 V 0.1 V ± (0.2 % + 0.01 %)
Current
i17xx-flex 1500 12”
150 A
1500 A
0.1 A
1 A
± (1 % + 0.02 %)
± (1 % + 0.02 %)
i17xx-flex 3000 24”
300 A
3000 A
1 A
10 A
± (1 % + 0.03 %)
± (1 % + 0.03 %)
i17xx-flex 6000 36”
600 A
6000 A
1 A
10 A
± (1.5 % + 0.03 %)
± (1.5 % + 0.03 %)
i40s-EL clamp
4 A
40 A
1 mA
10 mA
± (0.7 % + 0.02 %)
± (0.7 % + 0.02 %)
Frequency 42.5 Hz to 69 Hz 0.01 Hz ± (0.1 %)
Aux input ± 10 V dc 0.1 mV ± (0.2 % + 0.02 %)
Voltage min/max 1000 V 0.1 V ± (1 % + 0.1 %)
Current min/max
defined by
accessory
defined by
accessory
± (5 % + 0.2 %)
THD on voltage 1000 % 0.1 % ± 0.5
THD on current 1000 % 0.1 % ± 0.5
Voltage harmonics 2nd ...
50th
1000 V 0.1 V
≥ 10 V: ± 5 % of reading
< 10 V: ± 0.5V
Current harmonics 2nd ...
50th
defined by
accessory
defined by
accessory
≥ 3 % of current range: ± 5 % of reading
< 3 % of current range: ± 0.15 % of range
Unbalance 100 % 0.1 % ± 0.2
Intrinsic uncertainty ± (% of reading + % of range)
1
Parameter
Influence
quantity
iFlex1500-12
150A/1500A
iFlex3000-24
300A/3000A
iFlex6000-36
600/6000A
i40s-EL
4A/40A
Active Power P
Active Energy E
a
PF ≥ 0.99 1.2 % + 0.005 %
1.2 % +
0.0075 %
1.7 % +
0.0075 %
1.2 % + 0.005 %
Apparent Power S
Apparent Energy E
ap
0 ≤ PF ≤ 1 1.2 % + 0.005 %
1.2 % +
0.0075 %
1.7 % +
0.0075 %
1.2 % + 0.005 %
Reactive Power Q
Reactive Energy E
r
0 ≤ PF ≤ 1 2.5 % of measured apparent power
Power Factor PF
Displacement Power
FactorDPF/cosϕ
– ± 0.025
Additional uncertainty
in % of range
1
V
P-N
> 250 V 0.015 % 0.0225 % 0.0225 % 0.015 %
1
Range = 1000 V x Irange
Reference conditions:
• Environmental: 23 °C ± 5 °C, instrument operating for at least 30 minutes, no external electrical/magnetic field, RH <65 %
• Input conditions: Cosϕ/PF=1, Sinusoidal signal f=50 Hz/60 Hz, power supply 120 V/230 V ±10 %.
• Current and power specifications: Input voltage 1 ph: 120 V/230 V or 3 ph wye/delta: 230 V/400 V Input current: I > 10 % of Irange
• Primary conductor of clamps or Rogowski coil in center position
• Temperature coefficient: Add 0.1 x specified accuracy for each degree C above 28 °C or below 18 °C
Specifications