Extech Instruments 382100 User manual

User’s Manual
1200A 3-Phase Power Analyzer/Datalogger
MODEL 382100
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Table of Contents
1.0 INTRODUCTION
1-1 Features.................................................................................................. 3
1-2 Safety...................................................................................................... .4
2.0 SPECIFICATIONS
2-1 General Specifications ................................................................................ .5
2-2 Electrical Specifications ....................................................................................5
3.0 METER DESCRIPTION .................................................................................9
4.0 MEASUREMENT PREPARATION
4-1 The original screen...................................................................................................... .10
4-2 Entering the measurement Screen..................................................................... 10
4-3 Keypad Description Summary ........................................................................... .10
4-4 SETUP Key .................................................................................................................. .11
4-5 Meter Setup Functions (SD Card, PT/CT, Audible Beeper, Decimal Point, Clamp
Type, RS-232, Time/Date, Reset Key) ................................................................ .12
5.0 MEASUREMENT PROCEDURES
5-1 1Φ2W (single phase two wires) measurement ........................................ .25
5-2 1Φ3W (single phase three wires) measurement...................................... .26
5-3 3Φ3W (three phase three wires) measurement ....................................... .27
5-4 3Φ4W (three phase four wires) measurement ......................................... .28
5-5 CT and PT measurement .......................................................................................... .29
5-6 Data Logger ....................................................................................................................... 30
5-7 Data Hold.........................................................................................................31
5-8 Display Backlight key......................................................................................32
5-9 A (Current) Range key ............................................................................................... .33
5-10 LOWBAT (Low Battery) screen ...................................................................34
5-11 Appendix - Measurement Definitions.............................................................. .35
6.0 MAINTENANCE
6-1 Cleaning ................................................................................................................ .35
6-2 Battery Replacement........................................................................................... .35
7.0 PC INTERFACE
7-1 RS-232 Protocol ............................................................................. .36
7-2 Download Data from SD Card ......................................................... 37
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1.0 Introduction
Congratulations on your purchase of the Model 382100 Power Analyzer. This instrument is fully
tested and calibrated prior to delivery; proper use and care of this meter will provide years of reliable
service.
1.1 Features
Large dot-matrix, numerical, backlit LCD
Full system analysis with up to 35 parameters:
- V (phase-to-phase), V (phase-to-ground)
- A (phase-to-ground)
- KW / KVA / KVAR / PF (phase)
- KW / KVA / KVAR / PF (system)
- KWH / KVAH / KVARH / PFH (system)
- Phase angle
High accuracy Auto-ranging current clamps (0.2A to 1200.0A)
600.0VAC input with CAT III-600V safety rating
Adjustable Current Transformer (CT) and Voltage Transformer (VT) ratio for high power
distribution systems
Log up to 60,000 reading on removable SD memory card in Excel® format
Wide sampling rate range (from 2 seconds up to 2 hours)
Captured measurements imported directly into Excel via the SD memory card
Easy-to-use onscreen menu
Easy-to-grab rugged over-molded housing
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1.2 Safety
CAUTION: Risk of electric shock. Do not attempt to open or disassemble the meter while
taking measurements
CAUTION: Do not attempt to measure Voltage or Current that exceeds specified limits
Remove the test leads from the meter before opening the battery compartment cover
When cleaning, use only a dry cloth to wipe the meter housing. Do not use liquids of any kind
to clean the meter
Safety Symbols:
CAUTION RISK OF ELECTRIC SHOCK
Environmental Conditions
Installation Category III 600V
Pollution Degree 2
Altitude limit: 2000m
Indoor use only
Relative Humidity maximum: 80%
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2.0 Specifications
2.1 General Specifications
Circuit Custom one-chip microprocessor LSI circuit
Display
LCD Size: 81.4 X 61 mm (3.2 X 2.4”)
Dot Matrix backlit LCD (320 X 240 pixels)
Measurements ACV / A C A / AC Watts (True Power)
AC Watts (Apparent Power)
AC Watts (Reactive Power)
Power factor
Phase angle
Frequency
Wire connections 1P/2W, 1P/3W, 3P/3W, 3P/4W.
Voltage ranges 10 ACV to 600 ACV (Auto Range)
Current ranges 0.2 ACA to 1200 ACA (Auto / Manual Range)
Safety standard IEC1010 CAT III 600 V
ACV input impedance 10M ohms
Range select ACV Auto Range
ACA Auto / Manual Range
Clamp frequency
response
40 Hz to 1 KHz
Tested frequency 45 to 65 Hz
Over load protection ACV 720 ACV RMS
ACA
1300 ACA with clamp probe
Over-range indicator "OL"
Under-range indicator "UR"
Data Hold Freezes displayed reading
Data Recording SD memory card
Sampling Time Approx. 1 second
Datalogger
Real time data logger saves data to SD memory card for download to
PC (data file opens directly to spreadsheet)
Sampling rate: 2 seconds to 7200 seconds
Data Output Serial or USB connection (cable supplied)
Operating Temp. 0 to 50
o
C (0 to 122
o
F )
Operating R.H. 80% Relative Humidity max.
Power Supply Eight (8) ‘AA’ 1.5VDC batteries or AC - DC 9V power adapter
Power Consumption Meter: 300 mA DC; Clamp: 20 mA DC
Max. Conductor size Clamp can accommodate up to 86 mm (3.4” ) diameter
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Weight Meter: 1049g (2.3 lbs.) (with batteries); Clamp: 522g (1.2 lbs)
Dimensions Meter: 225 X 125 X 64 mm (8.86 X 4.92 X 2.52“)
Clamp: 210 X 64 X 33mm (8.3 X 2.5 X 1.3”)
Clamp Jaw: 86 mm (3.4”)
Accessories Included Instruction manual
Test Leads: 1 Set (4 pieces)
Alligator clips: 1 Set (4 pieces)
Clamp Probe (3)
AC to DC 9V adapter
SD card (2G)
Carrying case
2.1 Electrical Specifications
ACV
Range Resolution Accuracy
10.0V to 600.0V
Phase to neutral line
0.1V ± (0.5%+0.5V)
10.0V to 600.0V
Phase to phase
ACA
Range Resolution Accuracy
20A 0.001A/0.01A ± (0.5%+0.1A)
200A 0.01A/0.1A ± (0.5%+0.5A)
1200A 0.1A/1A ±(0.5%+5A)
Power Factor
Range Resolution Accuracy
0.00 to 1.00 0.01 ± 0.04
PFH (Power Factor Hours): Long Term Power Factor
For three phase/four wire and three phase/three wire configurations:
PF = (PF1 + PF2 + PF3) / 3
For single phase three wire configurations:
PF = (PF1 + PF2) / 2
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Phase Angle
Range Resolution Accuracy
-180° to 180° 0.1° ± 1°
Frequency
Range Resolution Accuracy
45 to 65 Hz 0.1 Hz 0.1 Hz
Active (Real) Power
Range Resolution Accuracy
0.000 to 9.999 KW 0.001 KW ± (1%+0.008KW)
10.00 to 99.99 KW 0.01 KW ± (1%+0.08KW)
100.0 to 999.9 KW 0.1 KW ± (1%+0.8KW)
0.000 to 9.999 MW 0.001 MW ± (1%+0.008MW)
Apparent Power
Range Resolution Accuracy
0.000 to 9.999 KVA 0.001 KVA ± (1%+0.008KVA)
10.00 to 99.99 KVA 0.01 KVA ± (1%+0.08KVA)
100.0 to 999.9 KVA 0.1 KVA ± (1%+0.8KVA)
0.000 to 9.999 MVA 0.001 MVA ± (1%+0.008MVA)
Reactive Power
Range Resolution Accuracy
0.000 to 9.999 KVAR 0.001 KVAR ± (1%+0.008 KVAR)
10.00 to 99.99 KVAR 0.01 KVAR ± (1%+0.08 KVAR)
100.0 to 999.9 KVAR 0.1 KVAR ± (1%+0.8 KVAR)
0.000 to 9.999 MVAR 0.001 MVAR ± (1%+0.008 MVAR)
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Watt Hour (Active Power Hour): WH
Range Resolution Accuracy
0.000 to 9.999 KWH 0.001 KWH ± (2%+0.008 KWH)
10.00 to 99.99 KWH 0.01 KWH ± (2%+0.08 KWH)
100.0 to 999.9 KWH 0.1 KWH ± (2%+0.8 KWH)
0.000 to 9.999 MWHR 0.001 MWH ± (2%+0.008 MWH)
VA Hour (Apparent Power Hour): SH
Range Resolution Accuracy
0.000 to 9.999 KVAH 0.001 KVAH ± (2%+0.008 KVAH)
10.00 to 99.99 KVAH 0.01 KVAH ± (2%+0.08 KVAH)
100.0 to 999.9 KVAH 0.1 KVAH ± (2%+0.8 KVAH)
0.000 to 9.999 MVAH 0.001 MVAH ± (2%+0.008 MVAH)
VAR (Reactive Power Hour): QH
Range Resolution
Accuracy
0.000 to 9.999 KVARH 0.001 KVARH ± (2%+0.008 KVARH)
10.00 to 99.99 KVARH 0.01 KVARH ± (2%+0.08 KVARH)
100.0 to 999.9 KVARH 0.1 KVARH ± (2%+0.8 KVARH)
0.000 to 9.999 MVARH 0.001 MVARH ± (2%+0.008 MVARH)
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3.0 Meter Description
3-1 Display
3-2 Phase/Wire button
3-3 ▲ button
3-4 ▼ button
3-5 Hold button
3-6 Backlight button
3-7 Power button
3-8 Exit button
3-9 REC button
3-10 Amp range button
3-11 Shift button
3-12 Setup button
3-13 Volt input terminals
3-14 Probe input sockets
3-15 SD card socket
3-16 RS232 socket
3-17 Reset button
3-18 9V adapter socket
3-19 Battery compartment
3-20 Stand
3-21 Current Sense Jaw
3-22 Trigger
3-23 Plug for current probe
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4.0 Measurement Preparation
4-1 Opening Screen
1. When the meter is powered up the initialization screen appears asking the user to “please wait”.
2. The meter will also check for an inserted SD memory card. ‘SD check’ will appear on the screen.
If an SD card is inserted, the blinking display will switch off after several seconds. When no card
is inserted the display will show ‘No disk’.
4-2 Main Screen
The main screen displays all of the power measurement data.
Figure 4-2: Main Screen
4.3 Keypad layout
1. POWER KEY (3-7, Fig. 1): Press to turn the instrument ON/OFF
2. 1Φ3Φ(phase/wire) KEY (3-2, Fig. 1): Press to select (1P/2W, 1P/3W, 3P/3W, 3P/4W)
measurement function
3. A (current) RANGE KEY (3-10, Fig. 1): Press to change from AUTO RANGE to MANUAL
RANGE mode for current
4. REC KEY (3-9, Fig. 1): The data record key for the SD Memory Card
5. HOLD KEY (3-5, Fig. 1): Press to freeze the displayed reading
6. BACKLIGHT KEY (3-6, Fig. 1): Press to switch LCD backlight ON/OFF
7. SETUP KEY (3-12, Fig. 1): Press to setup a function before measuring
8. EXIT KEY (3-8, Fig. 1): Press to exit the set-up screen
9. SHIFT KEY (3-11, Fig. 1): Used for programming the functions on the set-up screen
10. UP (▲) KEY (3-3, Fig. 1): Press to move the cursor up
11. DOWN (▼) KEY (3-4, Fig. 1): Press to move the cursor down
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4.4 Setup Key Descriptions
4.4.1 SHIFT KEY
SHIFT 1: When the symbols " SETUP " and " SHIFT 1 " appear on the upper right hand portion
(Fig. 4-4a), use the ▲or ▼key to select the an item.
SHIFT 2: When the symbols " SETUP " and " SHIFT 2 " appear on the upper right hand portion of
the display (Fig. 4-4b), use the ▲or ▼key to select 1P/2W, 1P/3W, 3P/3W, or 3P/4W for the File
Name function.
Figure 4-4a: SHIFT Key (Screen 1)
Figure 4-4b: SHIFT Key (Screen 2)
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4.4.2 The Setup Function Menu
Folder Name: Select a name on the SD CARD; the range is WTA01 to WTA10
File Name: Set a file name on the SD CARD (50 filenames are permitted)
REC Date: Show a file’s date-time stamp (Year / Month / Date / Hour / Min / Sec)
Sampling Time: Set the sampling rate from 2 to 7200 seconds
Delete File: Delete an existing data file from the SD CARD
SD Format: Format the SD CARD
PT: Set the Potential Transformer from 1 to 1000
CT: Set the Current Transformer from 1 to 600
Audible Tone: Set ON or OFF
Clamp Type: Select 200A or 1200A
RS232 out Select: RS232 output function (up to nine items can be output
Year: Set the year.
Month: Set the month
Date: Set the date
Hour: Set the hour
Minute: Set the minute
Second: Set the second
4.5 Meter Setup Functions
Press SETUP to enter the Function screen, selected items will appear as highlighted.
4.5.1 Folder name: Set a folder name in the SC Memory Card
1. The Folder Name range is “WTA01” to “WTA10”
2. Press ▲or y to select a folder number, the available numbers are "01 to 10"
3. Press ▲or y continuously for at least two seconds to scroll quickly.
4. Press SHIFT once, the symbol " SHIFT1" will appear; then press y to enter Screen 2 (Folder
Name -> File Name)
Figure 4-5-1a: Folder Name (Screen 1)
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Figure 4-5-1b: Folder Name (Screen 2)
4.5.2 File name: Set a file name in the SC Memory Card
1. The screen will show the " NO File " indicator in the REC Date option area when the
selected file is new
2. The screen will show the recording date and time in the REC Date option area for existing
data files
Figure 4-5-2a: File Name (Screen 1)
Figure 4-5-2b: File Name (Screen 2)
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3. File Name description: press ▲or y in screen 2 (Fig. 4-5-2b) to select a file number from
001 to 050.
Note: When pressing ▲or y for more than 2 seconds, quicker scrolling will result.
Examples:
1P201001: 1P2 is one phase by two wires, 01 is the folder number, and 001 is the file
number
1P301001: 1P3 is one phase by three wires, 01 is the folder number, and 001 is the file
number
3P301001: 3P3 is three phases by three wires, 01 is the folder number, and 001 is the
file number.
3P401001: 3P4 is three phases by four wires, 01 is the folder number, and 001 is the file
number.
4. The display will show the " SHIFT1 " symbol when the SHIFT KEY is pressed once from
screen 2 (Fig. 4-5-2b); press y to enter Screen 3 (File Name ~ Sampling Time)
5. The display will show the " SHIFT2 " symbol when the SHIFT KEY is pressed again in
screen 4 (Fig. 4-5-2d), use▲or ▼to select 1P/2W(1P2), 1P/3W(1P3), 3P/3W(3P3), or
3P/4W(3P4)
6. Now use the SHIFT KEY to select the desired functions
Figure 4-5-2c: File Name (Screen 3)
Figure 4-5-2d: File Name (Screen 4)
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4.5.3 Set the Sampling Time (datalogging rate) for the SD Memory Card
1. When the SHIFT KEY is pressed once, the symbol " SHIFT1 " will switch off, use ▲or ▼
to adjust the sampling time, the range is 2 to 7200 seconds
2. The display will show the " SHIFT1 " symbol after the SHIFT KEY is pressed again, press
▼to enter the next setting (Sampling Time ~ Delete File)
Figure 4-5-3a: Sampling Rate (Screen 1)
Figure 4-5-3b: Sampling Rate (Screen 2)
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4.5.4 Delete a file on the SD Memory Card
1. Press and hold the SHIFT KEY for at least 2 seconds and the indicator " Y or N " will
appear on the right side of the display
2. Press ▲and the display will show " Y " in highlight, press the SETUP KEY again to
confirm, the selected file (ex: 3P401001.XLS) will be erased and the meter will then return
to screen 1 (Fig. 4-5-4a)
3. Press ▼in screen 1 (Fig. 4-5-4a) to enter the next setting function (Delete File →SD
Format)
Figure 4-5-4a: Delete File (Screen 1)
Figure 4-5-4b: Delete File (Screen 2)
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4.5.5 Formatting an SD Memory Card
1. Press and hold the SHIFT KEY for at least 2 seconds and the indicator " Y or N " will
appear on the right side of the display, press ▲and the display will show " Y " highlighted
2. Press SETUP again to confirm the formatting of the SD CARD
3. Press ▼in screen 1(Fig.4-5-5a) to enter the next setting function (SD Format →PT)
Figure 4-5-5a: Format SD Card Screen 1
Figure 4-5-5: Format SD Card Screen 2
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4.5.6 Potential Transformer (PT) Setup
1. Press SHIFT once, and the symbol " SHIFT1 " will switch off; press ▲or ▼to adjust the
PT value (the range is 1 to 1000)
2. Press SHIFT again to return to screen 1 (Fig. 4-5-6a) and then press ▼to enter the next
function (PT CT)
Figure 4-5-6a: PT Setup (Screen 1)
Figure 4-5-6b: PT Setup (Screen 2)
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4.5.7 Current Transformer (CT) Setup
1. Press SHIFT once, and the symbol " SHIFT1 " will switch off; press ▲or ▼to adjust the
CT value (the range is 1 to 600)
2. Press SHIFT again to return to screen 1 (Fig. 4-5-7a) then press ▼to enter the next
function (CT →BEEP)
Figure 4-5-7a: CT Setup (Screen 1)
Figure 4-5-7b: CT Setup (Screen 2)
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4.5.8 Audible Beeper ON/OFF
1. Press SHIFT once and the symbol " SHIFT1 " will switch off; press ▲or ▼to turn the
beeper ON/OFF
2. Press SHIFT again to return to screen 1 (Fig. 4-5-8a) and then press ▼to enter the next
function (BEEPER →Decimal type)
Figure 4-5-8a: Beeper (Screen 1)
Figure 4-5-8b: Beeper (Screen 2)
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