Fluke 1735 Three-Phase Power Logger

Record power and associated parameters for up to 45 days
Monitor maximum power demand over user-defined averaging periods
Prove the benefit of efficiency improvements with energy consumption tests
Measure harmonic distortion caused by electronic loads
Improve reliability by capturing voltage dips and swells from load switching
Easily confirm instrument setup with color display of waveforms and trends
Measure all three phases and neutral with included 4 flexible current probes
View graphs and generate reports with included Power Log software
Compact, rugged design with IP65 case, 600 V CAT III and two-year warranty

Specifications
General
Display: ¼ VGA Graphic Color transmissive displays 320 x 240 Pixel with additional background lighting and adjustable contrast, text and graphics in color
Quality: Developed, designed and manufactured according to DIN ISO 9001
Memory: 4 MB Flash memory, 3.5 MB for measuring data
Interface: RS-232 SUB-D socket; 115.2 k Baud, 8 data bits, no parity, 1 stop bit, firmware updates are possible with the RS- 232 interface ( 9-pole extension cable)
Sample rate: 10.24 kHz
Line frequency: 50 Hz or 60 Hz, user-selectable, with automatic synchronization
Power supply: NiMH battery-pack, with ac adapter ( 15 V to 20 V/ 0.8 A)
Operation time with battery: Typical > 12 hours without backlight and > 6 hours with backlight high
Dimensions: 240 mm x 180 mm x 110 mm
Weight: 1.7 kg, including battery
Ambient conditions
Working temperature range: -10 ° C to + 50 ° C
Storage temperature range: -20 ° C to + 60 ° C
Operating temperature range: 0 ° C to + 40 ° C
Reference temperature range: 23 ° C ± 2 ° C
Note: The above terms are defined in European Standards. To calculate the specification at any point in the working temperature range, use the temperature coefficient below.
Temperature coefficient: ± 0.1 % of the measured value per ° C from the reference
Intrinsic error: Refers to reference temperature, maximum deviation is guaranteed for two years
Operating error: Refers to operating temperature range, maximum deviation is guaranteed for two years
Climatic class: C1 ( IEC 654-1) -5 ° C to + 45 ° C, 5% to 95% RH, no dew
Housing: Cycoloy shock and scratch proof thermoplast V0-type ( non-flammable) with rubber protection holster
EMC
Emission: IEC/ EN 61326-1: 1997 class B
Immunity: IEC/ EN 61326-1: 1997
Safety
Safety: IEC 61010-1 600 V CAT III, double or reinforced insulation, pollution degree 2
Protection: IP65; EN60529 ( refers only to the main housing without the battery compartment)
RMS values are measured with a 20 ms resolution.
V-rms wye measurement
Measuring range: 57 V/ 66 V/ 110 V/ 120 V/ 127 V/ 220 V/ 230 V/ 240 V/ 260 V/ 277 V/ 347 V/ 380 V/ 400 V/ 417 V/ 480 V ac
Intrinsic error: ± ( 0.2% of measured value + 5 digits)
Operating error: ± ( 0.5% of m. v. + 10 digit)
Resolution: 0.1 V
V-rms delta measurement
Measuring range: 100 V/ 115 V/ 190 V/ 208 V/ 220 V/ 380 V/ 400 V/ 415 V/ 450 V/ 480 V/ 600 V/ 660 V/ 690 V/ 720 V/ 830 V ac
Intrinsic error: ± ( 0.2% of m. v. + 5 digit)
Operating error: ± ( 0.5 % of m. v. + 10 digit)
Resolution: 0.1 V
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. + 20 digit)
Operating error: ± ( 1 % of m. v. + 20 digit)
The errors of the current probes are not considered.
By using Flexi-Set
Flexi Set measuring error: ± ( 2% of m. v. + 10 digit)
Position influence: ± ( 3 % of m. v. + 10 digit)
CF ( typical) : 2.83
Note: When using Flexi Set please make sure to position the conductor opposite to the 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 2.490 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. + 20 digit)
Typical range with voltage range 230 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. + 20 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* + 20 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: ± ( 0.2 % of m. v. + 5 digit)
Operating error: ± ( 0.5 % of m. v.+ 10 digit)
Resolution: 0.01 Hz
Harmonics
Measuring range: To 50th harmonic ( < 50 % of nom)
Accuracy
Vm, Im, THDV, THDI: IEC 61000-4-7: 2002, Class II
Vm e 3% Vn: ± 5% Vm
Vm < 3 % Vnom: ± 0.15% Vnom
Im e 10 % Inom: ± 5% Im
Im < 10 % Inom: ± 0 5% Inom
THDV: for THD < 3% ± 0.15% at Vnom
for THD e 3% ± 5% at Vnom
THDI: for THD < 10% ± 0.5% at Inom
for THD e 10% ± 5% at Inom
Vnom: Normal voltage range
Inom: Nominal current range
Vm and Im are measured values of harmonic m
Events
Detection of voltage dips, voltage swells and voltage interruptions with a 10 ms resolution and measuring error of the half period sine wave of rms.
Intrinsic error: ± ( 1% of m.v. + 10 digit)
Operating error: ± ( 2% of m.v. + 10 digit)
Resolution: 0.1 V