LEM Analyst 2050 Manual de usuario

International Electrical Symbols

Caution! Refer to this manual before using the meter

Meter is protected by Reinforced or Double Insulation

CONTENTS PAGE

1INTRODUCTION................................... 2

1.1 Instrument Features............................ 3

2SPECIFICATION................................... 4

2.1 Electrical Data..................................... 4

2.2 General Data....................................... 8

3OPERATING INSTRUCTIONS.............. 10

3.1 Rotary Switch / Keypad Selections ...... 10

3.2 Voltage Measurement.......................... 11

3.3 Current Measurement.......................... 13

3.4 Watts /VA /PF /kWHr measurement.... 14

3.5 Watts 3Ø /VA /PF /kWHr measurement

3.6 Frequency / THD Measurement........... 16

3.7 Set Up................................................. 17

3.8 Data Logging – Quick Start ................. 17

3.9 Data Logging – Advanced.................... 18

3.10 WinLog ............................................. 20

4TECHNICAL DEFINITIONS................... 21

4.1 Measured parameters.......................... 21

4.2 Watts/VA/VAR/PF sign conventions .... 21

5SAFETY................................................ 22

6BATTERY REPLACEMENT.................. 23

7WARRANTY ......................................... 24

8OTHER PRODUCTS............................. 24

Issue 7 07/00

1. INTRODUCTION

The advanced design of the Analyst ensures reliable and

accurate measurements under a wide range of operating

conditions. Measurement features include:

•Non-intrusive AC/DC current

•True RMS, Crest Factor and THD for complex and

distorted waveforms

•Volts / Watts / VA / PF / kWHr

•3 Phase measurements

•Screen SAVE mode

•MIN, MAX, AVE, REC Mode with time stamp

•Internal and PC Data logging*

•Multi parameter and waveform display modes

Additional Features Analyst 2060

•Live harmonics analysis and display

•Ripple measurement

•Extended memory for data logging

The Analyst conforms to the latest international directives

and standards concerning safety and electromagnetic

compatibility.

•European Low Voltage Directive 73/23/EEC and

93/68/EEC

•European EMC Directive 89/336/EEC and 93/68/EEC

Safety Standards

IEC 1010-1: 1992-09 Safety requirements for electrical

equipment for measurement, control and laboratory use.

Part 2-032: 1994-12 Particular requirements for hand

held current clamps for electrical measurement and test.

Part 2-031: 1993-02 Particular requirements for hand

held probe assemblies for electrical measurement and

test.

600V Cat IV (750V cat III) Pollution degree 2

EMC Standards

RF Susceptibility and Emissions

BS EN 61326 : 1998 Electrical equipment for

measurement, control and laboratory use – EMC

requirements.

RF Immunity. Annex C. Performance criteria A

RF Emissions. Limits for Class B equipment.

FCC Part 15 Class B *Requires optional WinLog accessory

1.1 Instrument Features

The main operating features of the instrument are as

follows. See Fig. 1.

(1) Clamp-on jaws for current measurement

(2) Jaw opening lever

(3) Rotary switch for function selection

(4) Dot matrix LCD

(5) Screen cursor control

(6) REC mode. Time stamped MIN, MAX readings

(7) Backlight

(8) Oscilloscope / Harmonics mode

(9) HOLD and SELECT

(10) ZERO. Amps Zero

(11) SAVE. Screen save mode

(12) Numeric display mode

(13) and (14) Test lead input terminals

(15) Digital output

Fig. 1

Instrument Features

2. SPECIFICATION

2.1 Electrical data

(All accuracies stated at 23°C ± 1°C)

2.1.1 Current measurement

(DC, DCRMS, ACRMS)

Measuring range................... 0 - 2000A DC or AC pk

Autorange facility.................. 40A / 400A / 2000A

Resolution ............................ 10mA in 40A range

100mA in 400A range

1A in 2000A range

Accuracy

RMS and DC

I > 10A .......................... ± 1.5% rdg ± 5 dgts

I < 10A .......................... ± 0.2A

AVE

I > 10A .......................... ± 3% rdg ± 5 dgts

I < 10A .......................... ± 0.5A

Pk I > 10A .......................... ± 5% rdg ± 5 dgts

I < 10A .......................... ± 0.5A

AHrI > 10AHr....................... ± 2% rdg ± 5 dgts

I < 10AHr....................... ± 0.5AHr

CF (Crest Factor)

1 ≤CF < 3...................... ± 3% rdg ± 5 dgts

3 ≤CF < 5...................... ± 5% rdg ± 5 dgts

Resolution...................... 0.01

RPL (Ripple)

2% ≤RPL< 100%.......... ± 3% rdg ± 5 dgts

100% ≤RPL< 600%...... ± 5% rdg ± 5 dgts

Resolution...................... 0.1%

IDC >5A, IAC >2A

All measurements DC and 10Hz to 1kHz.

Maximum overload 10,000A or

RMS x frequency < 400,000. Amps RMS

is a true RMS measurement (AC + DC)

Harmonics

THD (Total Harmonic Distortion)

1% ≤THD < 100% ........ ± 3% rdg ± 5 dgts

100% ≤THD < 600% .... ± 5% rdg ± 5 dgts

Resolution...................... 0.1%

DF (Distortion Factor)

1% ≤DF < 100% ........... ± 3% rdg ± 5 dgts

Resolution...................... 0.1%

H02 ≤Iharm <H13............ ± 5% rdg ± 2 dgts

H13 ≤Iharm ≤H25........... ± 10% rdg ± 2 dgts

All measurements up to 25th harmonic

Frequency range F045Hz to 65Hz

Iacrms >10A, Iharm >10% Iacrms

2.1.2 Voltage measurement

(DC, DCRMS, ACRMS)

Measuring range................... 0 - 750V DC or AC

Autorange facility .................. 4V / 40V / 400V / 750V

Resolution............................. 1mV in 4V range

10mV in 40V range

100mV in 400V range

1V in 750V range

Accuracy

RMS and DC

V > 1V .......................... ± 1% rdg ± 5 dgts

V < 1V .......................... ± 0.02V

AV V > 1V .......................... ± 3% rdg ± 5 dgts

V < 1V .......................... ± 0.03V

Pk V > 1V .......................... ± 5% rdg ± 5 dgts

V < 1V .......................... ± 0.03V

CF (Crest Factor)

1 ≤CF < 3...................... ± 3% rdg ± 5 dgts

3 ≤CF < 5...................... ± 5% rdg ± 5 dgts

Resolution...................... 0.01

RPL (Ripple)

2% ≤RPL< 100% .......... ± 3% rdg ± 5 dgts

100% ≤RPL< 600% ...... ± 5% rdg ± 5 dgts

Resolution...................... 0.1%

VDC >0.5V, VAC >0.2V

All measurements DC and 10Hz to 1kHz.

Maximum overload 1,000 V RMS

Volts RMS is a true RMS measurement (AC + DC)

Harmonics

THD (Total Harmonic Distortion)

1% ≤THD < 100%......... ± 3% rdg ± 5 dgts

100% ≤THD < 600%..... ± 5% rdg ± 5 dgts

Resolution...................... 0.1%

DF (Distortion Factor)

1% ≤DF < 100%........... ± 3% rdg ± 5 dgts

Resolution...................... 0.1%

H02 ≤Vharm <H13.......... ± 5% rdg ± 2 dgts

H13 ≤Vharm ≤H25......... ± 10% rdg ± 2 dgts

All measurements up to 25th harmonic

Frequency range F045Hz to 65Hz

Vacrms >1V, Vharm >10% Vacrms

2.1.3 Watts measurement (Single and 3 Phase)

(DC, DCRMS, ACRMS)

Measuring range................... 0 - 1200kW DC or

850kW AC

Autoranging facility............... 4kW, 40kW, 400kW,

1200kW

Resolution ............................ 1W in 4kW

10W in 40kW

100W in 400kW

1kW in 1200kW

Accuracy .............................. 2.5% rdg ± 5 dgts

W1Ø < 2kW....... ± 0.08 kW

W3Ø < 4kW....... ± 0.25kW

2.1.4 VA measurement (Single and 3 Phase)

(DC, DCRMS, ACRMS)

Measuring range................... 0 -1200kVA DC or

850kVA AC

Autorange facility.................. 4kVA, 40kVA, 400kVA,

1200kVA

Resolution ............................ 1VA in 4kVA

10VA in 40kVA

100VA in 400kVA

1kVA in 1200Kva

Accuracy VA > 2kVA.......... 2.5% rdg ± 5 dgts

VA < 2kVA..........± 0.08kVA

2.1.5 VAR Measurement (Single and 3 Phase)

Measuring range................... 0 - 850kVAR

Autorange facility.................. 4kVAR, 40kVAR,

400kVAR, 850kVAR

Resolution ............................ 1VAR in 4kVAR

10VAR in 40kVAR

100VAR in 400kVAR

1kVAR in 850kVAR

Accuracy VAR > 4kVAR... ± 2.5% rdg ± 5 dgts

VAR < 4kVAR... ± 0.25kVAR

Power Factor range.............. 0.3 < PF < 0.99

2.1.6 Power Factor (Single and 3 Phase)

Measuring range 0.3 cap … 1.0 … 0.3 ind

(72.5° cap ... 0° ... 72.5° ind)

Resolution............................. 0.01

Accuracy............................... ± 3°

2.1.7 Kilowatt Hour (kWHr)

Measuring range................... 40,000kWHr

Autorange facility.................. 4kWHr, 40kWHr,

400kWHr, 4,000kWHr,

40,000kWHr

Resolution ............................ 1WHr in 4kWHr

10WHr in 40kWHr

100WHr in 400kWHr

1kWHr in 4,000kWHr

10kWHr in 40,000kWHr

Accuracy kWHr > 2kWHr.... ± 3% ± 5 dgts

kWHr < 2kWHr.... ± 0.08kWHr

All Watts /VA /VAR /PF measurements

Frequency range .................. DC and 10Hz to 1kHz

Current range....................... 10A to 1400A RMS

Voltage range ....................... 1V to 600V RMS

Maximum input..................... 600V RMS / 2000A Pk

Maximum overload................ 1000V RMS / 10,000A

2.1.8 Frequency measurement

(From Current or Voltage sources)

Measuring range................... 10Hz to 1kHz

Resolution ............................ 0.1Hz

Accuracy 40 - 70Hz............. ± 0.5% rdg

10 - 1000Hz......... ± 1% rdg

Current Range...................... 10A to 1400A RMS

Voltage Range...................... 1V to 600V RMS

2.1.9 Scope Function

2.1.9.1 Current measurement

Ranges................................. 10A/20A/40A/100A

200A/400A/1000A/2000A

Resolution ............................ 1A in 40A

10A in 400A

50A in 2000A

Accuracy .............................. ± 3% rdg ± 1 pixel

Maximum overload................ 10,000A

2.1.9.2 Voltage measurement

Ranges................................. 4V/10V/20V/40V/100V

200V/400V/1000V

Resolution............................. 100mV in 4V

1V in 40V

10V in 400V

31.25V in 1000V

Accuracy............................... ± 2% rdg ± 1 pixel

Maximum overload................ 1000V RMS

Frequency range................... DC and 10Hz to 600Hz

Time base............................. 2ms, 4ms, 10ms,

50ms/div

Refresh rate.......................... 0.5 seconds

Maximum sampling rate........ 9.6kHz

50ms/div

2.1.10 Digital output

RS-232 Interface to a PC

9600 baud 1 start bit 8 data bits 1 stop bit

Requires WinLog interface and software

2.2 General Data

2.2.1 Display

Backlit dot matrix LCD 160 x 128.

2.2.2 Power Supply

Battery type 1.5V Alkaline AA MN 1500 or IEC LR6 x 6

Battery life typically:

24 hours (backlight off)

12 hours (backlight on)

2.2.3 Environmental

FOR INDOOR USE ONLY

Reference conditions. All accuracies stated at

23°C ± 1°C

Operating temperature 0°C to 50°C (32°F to 122°F)

Temperature coeff. of current ≤±0.15% of rdg per °C

Temperature coeff. of voltage ≤±0.15% of rdg per °C

Maximum relative humidity 80% for temperatures up to

31°C (87°F) decreasing linearly to 50% relative humidity

at 40°C (104°F)

Maximum operating altitude 2000m

2.2.4 Mechanical

Dimensions ....................... Length 300mm (12 inches)

Width 98mm (3.75 inches)

Depth 52mm (2 inches)

Weight inc. batteries.......... 820g / 1.8lbs.

Case material .................... Bayblend T85

Jaw opening ...................... 60mm

Jaw capacity...................... 58mm diameter

Accessories....................... Voltage probes

Crocodile Clips

Carrying case

Operator’s manual

Cleaning............................ The unit can be cleaned

with an Isopropanol

impregnated cloth.

Do not use abrasives or

other solvents.

2.2.5 Power-up

At power-up the following screen is displayed for 5

seconds indicating the battery status. The remaining

battery lifetime is displayed, with and without the backlight.

When the display changes to the digital mode, the

instrument is ready for use.

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