Lutron Electronics UV-340A Manual de usuario

UV LIGHT METER

Model : UV-340A

our purchase of this UV

LIGHT 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

Stora

e for the " UV sensor "

UV sensor is with extremely

precise structure. Once don't

use it , be sure to store it in

the dry environment. For

example, put the whole sensor

including Desiccant ( Drier )

into to the Plastic bag and seal

the bag as tightly as possible

( refer the following figure ).

Take the sensor out of the bag only when use it.

Comply to above method will extend the life of UV

sensor. Otherwise, the gain of the UV SENSOR may

be decreased and shorten the calibration period. It is

also necessary to replace the Desiccant ( Drier )

periodically.

TABLE OF CONTENTS

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

2. APPLICATIONS......................................................... 1

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

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

4-1 Display.............................................................. 3

4-2 Power Button.................................................... 3

4-3 Range Switch (Hi/Lo Switch)................................3

4-4 Zero Button....................................................... 3

4-5 Stand.................................................................

4-6 Battery Compartment/Cover................................ 3

4-7 UV Probe Handle.............................................. 3

4-8 UV Sensor........................................................ 3

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

6. MEASURING CONSIDERATION..................................

7. BATTERY REPLACEMENT...........................................5

1. FEATURES

* Professional, high quality UV meter.

* Ultra-violet irradiation measurement for UVA & UVB.

* UV detector spectrum from 290 nm to 390 nm.

* Hi, Lo measurement range. 19990 and 1999 uW/cm^2.

* Exclusive UV sensor structure.

* Sensor with cosine correction filter.

* Build Zero button.

* Microprocessor circuit provides high reliability and

durability.

* Separate UV LIGHT probe allows user to measure the

UV light at an optimum position.

* LCD display, easy readout.

* Heavy duty & compact housing case.

2. APPLICATIONS

Industrial

* Monitoring blue light radiation hazards in welding.

* UV sterilization

*Graphicarts.

* Photochemical matching.

* UV EPROM erasure.

* Photoresist exposure.

* Curing of inks, adhesives and coatings.

Laboratory

* Weathering " degradation studies."

* UV sterilization

* Virology.

* Microbial genetics.

* DNA research. * Biologic hoods.

* General laboratory use. 1

3. SPECIFICATIONS

Display LCD size : 18 mm x 45 mm.

Maximum indication 1999.

Measurement

2 ranges : Hi & Lo range

ranges & Lo range : 1999 uW/cm^2 x 1 uW/cm^2

resolution Hi range : 19990 uW/cm^2 x 10 uW/cm^2

* 1000 uW/cm^2 = 1 mW/cm^2

UV sensor Band pass 290 nm to 390 nm.

spectrum

Accuracy ± ( 4 % FS + 2 dgt ) FS : full scale

* Calibration is executed under the UVA light &

and compare with the standard UVA light meter.

* Spec. tested under the environment RF Field

Strength less than 3 V/M & frequency less than the

30 MHz only.

Sensor structure The exclusive UV photo sensor with

the cosine correction filter.

Buttons. Switch Power button, Zero button, Range switch

Sample Time Approx. 1 sec.

Over Range

Indication of " ".

indication

Weight 251 g / 0.55 LB (including battery)

Operating Temp. 0 to 50 .℃

Operating Less than 85% R.H.

Humidity

Power Supply DC 9V battery, 006P , MN 1604 (PP3)

or equivalent.

Power Approx. DC 6 mA.

Consumption

Size Main instrument : 131 x 70 x 25 mm.

Sensor probe head : 45 mm dia x 32 mm.

Sensor probe handle : 125 x 24 mm dia.

Accessories Instruction manual........... 1 PC.

Included UV sensor probe.............. 1 PC.

Optional Acc. Soft carrying case, CA-52A, CA-03.

4. FRONT PANEL DESCRIPTION

4-1 Display

4-2 Power Button

4-3 Range Switch (Hi/Lo Switch)

4-4 Zero Button

4-5 Stand

4-6 Battery Compartment/Cover

4-7 UV Probe Handle

4-8 UV Sensor

5. MEASURING PROCEDURE

1)Push the " Power Button ( 4-2, Fig. 1 ) continuously until

the " Display " ( 4-1, Fig. 1 ) on then release the " Power

Button : will power ON the meter.

* After power ON if push the " Power Button ( 4-2, Fig. 1 )

once a while again will power OFF the meter.

2)Select the max. range on the " Range Switch "

( 4-3, Fig. 1 ).

Lo range : 1999 uW/cm^2 x 1 uW/cm^2

Hi range : 19990 uW/cm^2 x 10 uW/cm^2

* 1000 uW/cm^2 = 1 mW/cm^2

3)Hold the " Probe Handle " ( 4-7, Fig. 1 ) & let " UV Sensor"

( 4-8, Fig. 1 ) face to measuring UV light source , then the

Display ( 4-1, Fig. 1 ) will show values of UV light on the

display reading.

6. MEASURING CONSIDERATION

1)As the " Lo range " is designed & to measure the UV light

values more than 2000 uW/cm^2 . If the measured UV light

values more than 1999 uW/cm^2, it should select the " Range

Switch " to the " Hi range " to get the exact measuring value.

Under the " Lo range " if the " Display show " ", it

means the measurement value already over range, then

should select the " Range Switch " ( 4-3. Fig. 1 ) to the

" Hi " position ( 19990 uW/cm^2 range ).

)

Zero Button ( 4-4, Fig. 1 ) can be operated under the

Lo range ( 1999 uW/cm^2 range ) and the display

value 100 uW/cm^2 only.≦

2)Storage for the " UV sensor "

UV sensor is with extremely precise structure.

Once don't use it , be sure to store it in the dry environment.

For example, put the whole sensor including Desiccant

( Drier ) into to the Plastic bag and seal the bag as tightly

as possible. Take the sensor out of the bag only when use

it. Comply to above method will extend the life of UV

sensor. Otherwise, the gain of the UV SENSOR may be

decreased and shorten the calibration period. It is also

necessary to replace the Desiccant ( Drier ) periodically.

7. BATTERY REPLACEMENT

When LCD display shows " " in the left corner,

It is necessary to replace the battery. However, in-spec

measurement may still be made for several hours after

low battery appears.

2)Slide the " Battery Cover " ( 4-6, Fig. 1 ) away from the

instrument and remove the battery.

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

4)Make sure the battery cover is secured after changing the

battery.

50806-UV340A

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