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UV1265

UV1265

Digital UV Transmission Meter



User Manual



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UV1265 - Digital UV Transmission Meter
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General Description

The digital "UV SENTRY” is the perfect tool for demonstrating the UV blocking capabilities of a given product. The UV Sentry is able to calculate the actual UV Transmission percentage associated with a given material. The UV1265 may be used to measure the UV characteristics of glass, film, coatings, laminates or other materials. Use this meter to create CONVINCING sales presentations. The UV Sentry can promote your UV blocking product effectively.

Features

• UV Transmission
• Sharp Cut Filters for Accurate UV Measurement
• Real-Tim Readings Continually Updated
• Digital Technology Using Microprocessor Control
• Vast Operating Range with Excellent Resolution
• End-Mounted Sensor
• Push-On/Push-Off Power Switch
• Small, Portable Convenient Size

Basic Operation

The UV1265 is power by a 9 volt battery.  The unit is activated by pushing the POWER BUTTON down.  The unit automatically calibrates to 100% after being power up.  Therefore, anything placed in front of the end mounted UV sensor will now be relative to the 100% that was measured at startup.  By placing film, glass etc. samples between the UV light source that is facing the end mounted UV sensor, the sensor will provide continuous readings of the change in UV energy that is reaching the UV1265 meter.  The unit is turned off by pushing the power button again.  If the display starts blinking, it indicates a low battery condition and the 9 volt battery should be changed as soon as possible.

Tabletop Sales Presentations

The UV1265 can be used to perform dynamic TABLETOP PRESENTATIONS, showing the UV blocking potential of glass, film, coatings, plastics or other transparent materials. To set up your tabletop presentation or to perform readings in a bench-type QC application, place a UV light source facing the UV1265 meter. The light source should be stable and held in position so it cannot move during the measurements. We recommend using the UV1390 UV LAMP available from EDTM. It offers TRUE UV energy centered at 365 nm. . Position the meter flat on the table with the sensor facing the light source directly. If necessary, place the UV1265 on top of its box to position the meter in the center of the UV light beam. To obtain the most accurate results, DO NOT move the UV light source or the meter during the readings. Simply slide the samples being tested between the meter and UV light source. To take transmission measurements, follow the directions below and the illustrations on the next page.

Sales Presentation Steps

1) Place the meter on a stationary platform with the UV sensor (top end of meter) facing the UV light source (Model #UV1390). The UV source and meter must both be in a STATIONARY position.

2) Turn on the UV source first, and then turn on the UV1265 by pushing the power button. The meter will perform a self-calibration and the display will now read 100% transmission. Your meter is now prepared to take a UV transmission measurement with the current UV light source conditions. Proceed to Step 3. (If the surrounding UV conditions change, repeat STEP 2). If the letters “LO” appear on the display, this means the UV source is too far away, or the source is not strong enough to register a reading. Turn the meter off and correct the problem. Now begin at Step 1 again.

3) Now slide the glass or film sample you are demonstrating between the UV1265meter and the UV source. The resulting UV transmission % for the sample will be displayed.

4) To confirm your reading, remove the glass or film sample and confirm that the meter returns to 100%. If the meter does not display 100%, it is possible that your light conditions have changed. You may choose to perform the presentation again.

Steps for Car Window Testing

1) Open the automobile window half way and place the meter directly above the window in the opening. The light sensor (top end of meter) should be facing directly outward.

2) Turn on the UV1265 by pushing the power button. The meter will self-calibrate and the display should read 100% transmission. Your meter is now prepared to take a UV Transmission measurement with the current light conditions. (If the surrounding light conditions change, repeat STEP 2).

3) Now slide the UV1265 meter downward so the end of the meter is placed directly behind the window OR close the window while holding the meter in the exact same position Hold the meter at the exact same angle as it was held in Step #2. The resulting UV Transmission percentage for the window will be displayed.

4) To confirm your reading, slide the UV1265 meter back to its original location above the open window (Step 1). The display should return to 100.0%. If the meter does not display 100.0%, it is possible that your light conditions have changed. You may choose to perform the measurement again. We recommend taking a couple readings to confirm your measured value.

UV Blocking of Glass & Protective Eyewear

The UV1265 can be extremely effective in measuring the UV blocking capabilities of eyewear. To evaluate a pair of glasses follow the same procedure that was described on Page 2 for Tabletop Presentations. At Step #5, slide one of the lenses of the eyewear between the meter and the UV light source. The resulting UV transmission of the eyepiece will be displayed on the meter. You will need to test each lens separately, as only one lens can be placed in front of the meter at a time. It should not be necessary to recal the meter between each reading. To guarantee the meter is still normalized correctly, remove the lens and confirm that the meter returns to 100% transmission.

Helpful Operating Tips

1. If taking measurements near a hot lamp, do not place the meter too close to the light source. If the end of the meter begins to feel hot to the touch, it is too close to the light source. Extended periods of heat exposure can cause deformation of the filters, resulting in a change in the accuracy of the meter.

2. When taking readings to measure transmission percentage, it is important that the meter is held in the exact same position for both readings taken (when possible). Any change in angle or proximity to your light source can adversely affect the accuracy of your measurements. FOR BEST RESULTS, place the meter on its box or other stationary item. To read transmission readings, slide the glass of film sample in front of the meter, without moving the position of the meter. This will guarantee the most accurate readings possible.

3. When performing transmission percentage readings, it is advised to take multiple readings to reduce the amount of error that occurs. Be aware that a changing light source (sun with moving clouds) will affect your transmission readings.

4. The light sensor is located at the top end of the enclosure. For the greatest accuracy in measurements, this sensor should be directly facing the light source. DO NOT alter the condition of the sensor opening by touching or pushing on the filter. Any modifications or altering of the exterior surface of the filter WILL affect the calibration of the meter. This area should be kept clean at all times. Compressed air or a lint-free cloth should be used to clean the filter surface if it becomes soiled.

5. Do not attempt to open the enclosure. Opening the enclosure will void the product warranty and affect the calibration of the meter. 

6.  Obviously for safety reasons, the user should protect their eyes or others during a UV demonstration

Important Notes

Battery Replacement - Blinking Display

The UV1265 is powered by a 9 volt battery. When the battery voltage is getting too low to operate the meter, the display will begin blinking. Once the display begins blinking you will want to replace the battery soon. To replace the battery, turn off the power meter. Remove the battery cover near the bottom of the meter and replace with a new battery. Alkaline batteries will provide the longest service, but are not required for this product.

Warranty Information

The manufacturer warrants all models of the UV1265 to be free from defects in material and workmanship under normal use and service as specified within the operator's manual. The manufacturer shall repair or replace the unit within six (6) months from the original date of shipment after the unit is returned to the manufacturers factory, prepaid by the user, and the unit is disclosed to the manufacturers satisfaction, to be thus defective. This warranty shall not apply to any unit that has been repaired or altered other than by the manufacturer. The aforementioned provisions do not extend the original warranty period of the unit which has been repaired or replaced by the manufacturer. Batteries are not covered by warranty.

EDTM, Inc. assumes no liability for the consequential damages of any kind through the use or misuse of the UV1265 product by the purchaser or others. No other obligations or liabilities are expressed or implied. All damage or liability claims will be limited to an amount equal to the sale price of the UV1265, as established by EDTM, Inc.

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