Lutron Electronics VC-9200 Manuel utilisateur

ACUUM METER

Model : VC-9200

Your purchase of this VACUUM 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

developed. Please read the following instructions carefully and

always keep this manual within easy reach.

OPERATION MANUAL

TABLE OF CONTENTS

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

2. TYPICAL APPLICATION............................................. 2

3. SPECIFICATIONS......................................................2

3-1 General Specifications......................................... 2

3-2 Electrical Specifications.......................................

4. FRONT PANEL DESCRIPTION....................................

4-1 Display...............................................................4

4-2 Power Button.....................................................

4-3 Data Hold Button................................................ 4

4-4 " Max./Min. " Button...........................................

4-5 Unit Button........................................................

4-6 Battery Compartment/Cover................................ 4

4-7 Sensor Input Socket...........................................

4-8 RS-232 Output Terminal.....................................

4-9 Port Connector ( 1/4" NPT )............................. 4

4-10 Vacuum Sensor Main body.............................. 4

4-11 Plug of Vacuum Sensor..................................... 4

4-12 Adapter connector that convert 1/4" NPT

to 1/4" PS......................................................... 4

4-13 Port Connector ( 1/4" PS ).................................4

5. MEASURING PROCEDURE.........................................

6. AUTO POWER DISABLE.............................................7

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

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

9. OTHER OPTIONAL ACCESSORIES..............................9

FEATURES

* Absolute vacuum & absolute pressure measurement.

* Wide measure range from 1 to 1500 mbar.

* Overload protection up to 2000 mbar max.

* Separate probe, easy operation.

* Application : Automobile, Industrial, laboratory,

heating, ventilation, medical hospital.....

* Heavy duty sensor used for air, oil gas, liquid.

* 8 kind display units ( torr, mm Hg, micron, mbar,

KPa, Pa, inch Hg, psi ) select by push button on the

front panel.

* Auto shut off saves battery life.

* Microprocessor circuit assures maximum possible

accuracy, provides special functions and features,

* Records maximum & minimum readings with recall.

* Data Hold function for stored the desired value on

display.

* Built-in low battery indicator.

* RS232 PC serial interface, can match the personal

computer used as the Data Logger, Recorder....

2. TYPICAL APPLICATION

* Measure pneumatic pressures.

* Measure automobile engine pressures.

* Pressure for super heat measurements.

* Hydraulic servo controls.

* Refrigeration.

* Air conditioning.

* Food processing.

3. SPECIFICATIONS

3-1 General Specifications

Display 61 mm x 34 mm supper lar

e LCD

display. 15 mm ( 0.6" ) di

it size.

Display units 8 kind display units : torr, mm H

micron, mbar, KPa, Pa, inch H

, psi.

Circuit Microprocessor LSI circuit.

Function Data hold, memory ( max., min.)

Sensor * Separate probe, easy operation.

probe * Heavy duty sensor used for

vacuum measurement of air, oil

as,

liquid.

Data hold By push button.

Data record Record maximum & minimum

readin

Data output RS 232 PC serial interface.

Samplin

time Approx. 0.8 second.

Power off Auto shut off, saves battery life, or

manual off by push button.

Operatin

0 to 50 ( 32 to 122 ).℃℉

temperature

Operatin

Less than 80% R.H.

humidity

Power supply 006P DC 9V battery(heavy duty).

Power current Approx. DC 7.1 mA.

acuu

1/4" NPT or 1/4" P

senso

Included one adapter connector that convert

port Connecto

the 1/4" NPT to 1/4 " PS.

Wei

ht Instrument :

220

/0.48 LB.

Sensor probe :

183

/0.4 LB.

Dimension Meter :

180 x 78 x 34 mm

( 7.1 x 3.1 x 1.4 inch )

Sensor probe :

102 mm x 30 mm Dia.

( 4.02 inch x 1.2 inch Dia. )

Accessories * Vacuum sensor probe..............

1 PC.

* Instruction manual................... 1 PC.

included * Hard carryin

case................... 1 PC.

Optional * Data acquisition software

accessories ( Windows version ),

SW-U801-WIN.

* RS232 cable, UPCB-01

* Data lo

er, DL-9601A.

* SD Data lo

er, DL-9602SD.

3-2 Electrical Specifications

Unit Max. ran

e Resolution Accuracy

mbar 1500 mbar 1 mbar

KPa 150.0 KPa 0.1 KPa ± 1 % F. S.

Pa 150,000 Pa 100 Pa ( 23± 5 )℃

torr 1125 torr 1 torr

Note :

mm Hg 1125 mm Hg 1 mm Hg

Included linearity,

micron 1125,000 micron 1000 micron

hysteresis and

inch Hg 44.30 inch Hg 0.02 inch Hg

repeatability

psi 21.75 psi 0.01 psi F.S.: Full Scale

4. FRONT PANEL DESCRIPTION

Fig. 1

4-1 Display 4-8 RS-232 Output Terminal

4-2 Power Button 4-9 Port Connector ( 1/4" NPT )

4-3 Data Hold Button 4-10 Vacuum Sensor Main body

4-4 " Max./Min. " Button 4-11 Plug of Vacuum Sensor

4-5 Unit Button 4-12 Adapter connector that

4-6 Battery Compartment/ convert 1/4" NPT to 1/4" PS

Cover 4-13 Port Connector ( 1/4" PS )

4-7 Sensor Input Socket

5. MEASURING PROCEDURE

1)Plug the " Plug of Vacuum Sensor " ( 4-11, Fig. 1 ) into

meter's " Sensor Input Socket " ( 4-7, Fig. 1 ).

2)Power on the meter by pressing the " Power Button " ( 4-2,

Fig. 1 ).

3)To select different measuring unit by pressing the " Unit

Button " ( 4-5, Fig. 1 ). There are eight units for your choice.

4)Connect the " Port Connector of Vacuum Sensor " ( 4-9,

or 4-13, Fig. 1 ) to the equipment that intend to be

measured the vacuum value.

5)Apply the equipment and the vacuum meter will show the

vacuum value.

6)Data Hold

During the measurement, pushing the " Data Hold

Button " ( 4-3, Fig. 1 ) will freeze the measured value on

display and there will indicate a " HOLD " symbol.

* Push the "Data Hold Button" again to exit the

data hold function.

7)Data Record ( Maximum, Minimum reading )

* The DATA RECORD function displays the maximum

and minimum readings. To start the DATA RECORD

function, press the " Max./Min. Button " ( 4-4, Fig. 1 )

once. " REC " symbol will appear on the LCD display.

* With the " REC " symbol on the display :

a)Push the " Max./Min. Button " ( 4-4, Fi

. 1 )

once, the " Max " symbol alon

with the maximum

value will appear on the display.

b)Push the " Max./Min. Button " a

ain, the " Min "

symbol alon

with the minimum value will appear

on the display.

c) To exit the memory record function, push the

" Max./Min. " button continuously for around

2 seconds. The display will revert back to the

current readin

8 ) For quick measurement, follow the procedures

shown below :

Main procedures :

Connect the " Sensor Plug " to the meter's " Input Socket ".

Power on the meter & select the display unit.

Connect the pressure sensor connector with the equipment.

Apply the equipment and

et the pressure value.

Optional measuring procedures :

DATA HOLD MEMORY RECORD RS232 OUTPUT

Max., Min.

Power management :

AUTO POWER OFF or MANUAL POWER OFF

(Not available durin

Memory Record function)

9) Measuring considerations :

* The sensor diaphragm can be damaged by solid or

sharp objects. Never insert any object into the inlet port.

* The vacuum sensor is compatible with industrial gases

& liquid that are compatible with ceramic material. To

determine the compatibility of a liquid or gas, refer to

manufacture's specification.

6. AUTO POWER OFF DISABLE

The instrument has built-in " Auto Power Off " in

order to prolong battery life. The meter will switch off

automatically if no buttons are pressed for around 10

minutes.

To inactivate this feature by pressing the " Max./Min. "

button ( 4-4, fig. 1 ) to get into the memory record

function during the measurement.

7. RS232 PC SERIAL INTERFACE

The instrument features an RS232 output via 3.5 mm

Terminal ( 4-8, Fig. 1 ).

The connector output is a 16 digit data stream which

can be utilized to the user's specific application.

An RS232 lead with the following connection will

be required to link the instrument with the PC

serial input.

Meter PC

(3.5 mm jack plug) (9W 'D" Connector)

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

Pin 2

Ground/shield................................Pin 5

The 16 digit 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 indicate the following status :

D0 End Word

D1 & D8 Display readin

, D1 = LSD, D8 = MSD

For example :

If the display readin

is 1234, then D8 to D1 is

0000123

D9 Decimal Point(DP), position from ri

ht to the left

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

D10 Polarity

0 = Positive 1 = Ne

ative

D11 & D12 Annunciator for Display

Psi = 23 mm/H

= 78 inch/H

= 80

mbar = 86 Pa = 87 K Pa = 88

u H

= 89 torr = 90

D13 1

D14 4

D15 Start word

RS232 FORMAT : 9600, N, 8, 1

Baud rate 9600

Parity No parity

Data bit no. 8 Data bits

Stop bit 1 Stop bit

Table des matières

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