Fluke 1735 Three-Phase Power Logger

Description

Power quality logging, electrical load studies and energy consumption testing.

The Fluke 1735 Power Logger is the ideal electrician or technician's power meter for conducting energy studies and basic power quality logging. Set the Power Logger up in seconds with the included flexible current probes and color display. The power quality meter measures most electrical power parameters, harmonics, and captures voltage events.

 

Features

  • 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
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Specifications

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 ≥ 3% Vn:

 ± 5% Vm

Vm < 3 % Vnom:

 ±0.15% Vnom

Im ≥ 10 % Inom:

 ± 5% Im

Im < 10 % Inom:

 ± 0 5% Inom

THDV:

 for THD < 3% ± 0.15% at Vnom
for THD ≥ 3% ± 5% at Vnom

THDI:

 for THD < 10% ± 0.5% at Inom
for THD ≥ 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

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