Lutron Electronics ESF-106 User manual

ELECTROSTATIC FIELD

METER

Model : ESF-106

Your purchase of this

ELECTROSTATIC FIELD

METER marks a step

forward for you into the

field of precision

measurement. Although

this METER is a complex

and delicate instrument,

its durable structure will

allow many years of use

if proper operating

techniques are

developed. Please read

the following

instructions carefully

and always keep this

manual within easy

reach.

OPERATION MANUAL

TABLE OF CONTENTS

1. FEATURES.................................................................

2. SPECIFICATIONS........................................................1

2-1 General specifications...........................................1

2-2 Electrical specifications......................................... 2

3. FRONT PANEL DESCRIPTION......................................

3-1 Display............................................................... 3

3-2 GROUND point.....................................................3

3-3 POWER / Backli

ht button....................................

3-4 HOLD button.......................................................

3-5 RECORD button ( MAX. / MIN. )............................3

3-6 ZERO button........................................................3

3-7 button..............................................................▲3

3-8 ALARM button......................................................3

3-9 button..............................................................▼3

3-10 SENSE disc.........................................................

3-11 Ma

netic SPACER................................................3

3-12 RS-232 output terminal.......................................

3-13 RESET button......................................................3

3-14 GROUND terminal...............................................

3-15 Stand.................................................................

3-16 Battery Cover / Compartment..............................

3-17 EARTH wire........................................................

3-18 Alli

ator clip........................................................3

4. MEASURING PROCEDURE...........................................

4-1 Power ON / OFF...................................................4

4-2 Groundin

...........................................................

4-3 Zero procedure....................................................

4-4 STATIC Volta

e measurement procedure...............4

4-5 ALARM Settin

procedure.....................................

4-6 Data Hold............................................................ 5

4-7 Data Record ( Max. , Min. readin

).......................5

4-8 LCD Backli

ht .....................................................

5. SYSTEM RESET..........................................................

6. MAINTENANCE...........................................................7

7. RS232 PC SERIAL INTERFACE..................................... 7

8. BATTERY REPLACEMENT............................................

1. FEATURES

* Professional precision STATIC Voltage meter with 0.001 kV

resolution.

*LSI - circuit provides high reliability and durability.

* Measurement range : -19.999 kV to +19.999 kV.

*High voltage alarm : +/- 18.000 kV.

*ALARM setting : 0.010 kV to 18.000 kV.

*Data hold , Records( Max. &Min.).

*LCD with green backlight.

*RS232 / USB Computer interface.

* Built-in low battery indicator.

*Power : (1) 9V alkaline or equivalent.

2. SPECIFICATIONS

2-1 General Specifications

Display LCD size : 51 mm x 30 mm ,

Max. indication : ± 19999.

LCD with backlight ( On/Off ).

Circuit Custom one-chip of microprocessor

LSI circuit.

Measurement Static Voltage :

-19.999 kV to +19.999 kV

Over input " ---- " mark indication.

Zero adjustment ZERO button.

Sampling time Approx. 0.5 second .

Data hold Freeze the display reading.

Memory recall Maximum and Minimum value.

Data output RS232/USB PC Computer interface.

*Connect the optional RS232 cable

UPCB - 02 will get the RS232 plug.

*Connect the optional USB cable

USB - 01 will get the USB plug.

Operation Temp. 0 to 50 ( 32 to 122 ).℃℃℉ ℉

Operation Less than 70% RH, non-condensing.

humidity

Power supply Alkaline or Heavy duty type DC 9V

battery.

006P , MN1604 (PP3) or equivalent

Power Approx. DC 6 mA

consumption

Weight 215 g / 0.476 LB

Dimension 195x68x30 mm ( 7.6x2.6x1.2 inch ).

Accessories Instruction manual................

1 PC

included 1" Ma

netic Spacer................ 1 PC

Ground wire.......................... 1 PC

Ground CLIP.........................

1 PC

Carryin

case, CA-06............. 1 PC

Optional * USB cable, USB-01

accessories * RS232 cable, UPCB-02

* Data Acquisition software,

SW-U801-WIN.

* Excel Data Acquisition software,

SW-E802.

2-2 Electrical Specifications

Static Voltage

Range Resolution Accuracy

+19.999 to -19.999 kV 0.001 kV ± ( 5%+50d )

Remark :

* Accuracy @ 23 ± 5℃℃

* The above spec. accuracy are tested under the

environment . RF Field Strength less than 3 V/M &

frequency less than the 30 MHz only .

3. FRONT PANEL DESCRIPTION

Fig. 1

3-1 Display

3-2 GROUND point

3-3 POWER / Backlight button

3-4 HOLD button

3-5 RECORD button ( MAX. / MIN. )

3-6 ZERO button

3-7 button▲

3-8 ALARM button

3-9 button▼

3-10 SENSE disc

3-11 Magnetic SPACER

3-12 RS-232 output terminal

3-13 RESET button

3-14 GROUND terminal

3-15 Stand

3-16 Battery Cover / Compartment

3-17 EARTH wire

3-18 Alligator clip 3

4. MEASURING PROCEDURE

4-1 Power ON /OFF

1. Press the "POWER / Backlight button" (3-3 , Fig. 1) more than 2

seconds to Turn ON the meter.

2. Press the "POWER / Backlight button" (3-3 , Fig. 1) more than 2

seconds to Turn OFF the meter.

3 If no buttons are pressed in 10 minutes, meter will AUTO POWER OFF

to save battery and meter life.

4-2 Grounding

Before using the meter it is necessary to install the grounding the meter.

Choose one of the below two methods. Number 1 is the recommended

method.

1. Use the accessories EARTH wire (3-17 , Fig.1) to connect to the

building's EARTH ground from the meter "GROUND terminal" (3-14 ,

Fig.1). ie. From electrical outlet ground terminal.

2 Operator is attached to the EARTH ground by way of an Anti-static

wrist strap (not provided), and finger placed on the "GROUND

point" (3-2 , Fig.1).

4-3 Zero procedure

Before you measure the STATIC Voltage. If the meter has a reading on

the screen .You can press the 'ZERO' button (3-6 , Fig.1) once to clear

the reading.

4-4 STATIC Voltage measurement procedure

When measuring the STATIC Voltage . use the "Magnetic

SPACER" (3-11 , Fig.1) to magnetically attach to the back of the meter,

just below the "SENSE disk" (3-10 , Fig.1).

Distance between "SENSE disk" (3-10 , Fig.1) and test area is 1 inch

(2.54 cm).

1. Press the "POWER / Backlight button" (3-3 , Fig.1) more than 2

seconds to Turn ON the meter.

2. Make sure the meter is grounded before operation.

3. Aim the "SENSE disk" (3-10 , Fig.1) toward the object (without

touching the disk).

4. Keep your fingers away from the test area to avoid

accidental discharge .

5. STATIC Voltage will be displayed on the screen .

4-5 ALARM Setting procedure

1. This meter has HIGH Voltage WARNING function . When

reading is over 18.000 kV . the meter will beep to user .

( this meter can reading over 19.990 kV.)

2. To change the voltage value to limit you can press the "

ALARM button " ( 3-8 , Fig.1) more than 2 seconds to

Turn ON the setting function and ALARM symbol will

luminate. The first digit of alarm value will flash . Now

you can press the " ▲button " ( 3-7 ,

Fig.1) to increase the value . or press the " button " (▼

3-9 , Fig.1) to decrease the value .

3. When you finish the first figures . you can press the "

ALARM button " ( 3-8 , Fig.1 ) to setting next figures .

4. When you finish your limit value . you can press the "

ALARM " button " ( 3-8 , Fig.1) more than 2 seconds to

save the setting value &return to measuring mode .

5. If ALARM value is set to " 0.000 " kV , the ALARM

function will be disabled.

4-6 Data Hold

During measurement, press the "HOLD Button" (3-4 , Fig.1)

once, to hold the measured value (LCD will

display a " HOLD " symbol . Press the " HOLD Button " (3-4 , Fig.1 ) once again will release the data hold function .

4-7 Data Record ( Max., Min. reading )

1 The data record function records the maximum and

minimum readings . Press the " REC Button " ( 3-5 , Fig.

1 ) once to start the Data Record function and there will

be a " REC " symbol on the display .

2. With the " REC " symbol on the display :

a)Press the " REC Button " ( 3-5 , Fig.1 ) once , the "

REC MAX " symbol will appear on the display and

LCD will be showing the maximum value.

b)Press the " REC Button " ( 3-5 , Fig.1 ) again, the "

REC MIN " symbol will appear on the display and LCD

will be showing the minimum value.

c)Press the " REC Button " ( 3-5 , Fig.1 ) again to

return to the current reading.

3. To exit the memory recording function , just press and

and hold the " REC button " ( 3-5 , Fig.1 ) for at least 2

seconds. The display will revert to the current reading.

4-8 LCD Backlight

1. You can turn ON the Backlight for to help see the display

When use the instrument in a dark place or under the SUN .

2. While the instrument is powered up, Press the " POWER /

Backlight button " ( 3-3 , Fig.1 ) once to turn on the light.

3. Press the " POWER / Backlight button " ( 3-3 , Fig.1 )

again will turn OFF the Backlight.

5. SYSTEM RESET

If the meter has any issues such as :

Screen or display is frozen or the key button cannot be

operated. Asystem RESET will usually fix the problem.

To RESET:Turn the meter power on, at the same time

use a pin to press the "RESET button" ( 3-13 , Fig.1 ).

This will reset the circuit system.

6. MAINTENANCE

1 Instruments used in dusty environments should be

stripped and cleaned periodically.

2 Do not leave the instrument exposed to direct heat from

the sun for long periods.

3 Before removing the battery compartment cover, ensure

that the instrument is disconnect from any circuit and

the instrument is power OFF .

7. RS232 PC SERIAL INTERFACE

The instrument has RS232 PC serial interface via a 3.5

mm terminal ( 3-12, Fig. 1 ).

The data output is a 16 digit stream which can be

utilized for user's specific application.

A RS232 lead with the following connection will be

required to link the instrument with the PC serial port.

Meter PC

(9W 'D" Connector)

Center Pin.........................

Pin 4

(3.5 mm jack plug)

Ground/shield......................

Pin 2 2.2 K

resistor

Pin 5

The 16 digits data stream will be displayed in the

following format :

D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0

Each digit indicates the following status :

D15 Start Word, 02

D14 4

D13 1

D12, D11 Annunciator for Display

DC kV = G9

D10 Polarity

0 = Positive 1 = Negative

D9 Decimal Point(DP), position from right to the

left

0 = No DP, 1= 1 DP, 2 = 2 DP, 3 = 3 DP

D8 to D1 Display reading, D1 = LSD, D8 = MSD

For example :

If the display reading is 1234, then D8 to

D1 is : 00001234

D0 End Word, 0D

RS232 FORMAT : 9600, N, 8, 1

Baud rate 9600

Parity No parity

Data bit no. 8 Data bits

Stop bit 1 Stop bit

8. BATTERY REPLACEMENT

1)When the Top left corner of the LCD display shows

" LoBAT " , it is necessary to replace the battery. Meter

should still function for several hours after LOW

BATTERY INDICATOR appears before the instrument

becomesless accurate.

2)Open the screw of " Battery Cover " ( 3-16 , Fig.1 )by

screwdriver, then remove the battery.

3)Replace with 9V battery and reinstall the cover.

Table of contents

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