Extech Instruments UV510 User manual

USER MANUAL
UV Light Meter
Model UV510
Additional User Manual Translations available at www.extech.com

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Introduction
Thank you for selecting the Extech Model UV510 UV Light Meter. This device measures UVA
ultraviolet light between 320-390nm. This device is shipped fully tested and calibrated and, with
proper use, will provide years of reliable service. Please visit our website (www.extech.com) to
check for the latest version and translations of this User Manual, Product Updates, Product
Registration, and Customer Support.
Features
•UV sensor with cosine correction filter
•Long wave 365nm ultraviolet irradiance measurements (UVA)
•Lightweight, ergonomic design
Safety
Please read the entire User Manual and Quick Start before operating this device. Use the meter
only as specified and do not attempt to service or open the meter housing. Do not allow children to
handle the meter or the protective cover. Please dispose of batteries and meter responsibly and in
accordance with all applicable laws and regulations.
UV Safety Information
Use extreme caution when using this meter to test an ultraviolet light source. Exposure to UV
radiation can be hazardous depending on the exposure time, intensity of radiation, wavelength and
an individual’s sensitivity to ultraviolet.

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Meter Description
1. Light Sensor
2. LCD Display
3. ON-OFF button
4. LCD Backlight button and ▲button
5. Range button
6. Zero button
7. SET and ▼button
8. Record button (max/min)
9. Hold button
10. Light sensor cover
Note: Battery compartment and tripod mount on rear of meter
LCD Description
1. Primary Display
2. MAX/MIN Record Icon
3. MAX Icon
4. MIN Icon
5. Display Hold Icon
6. Battery Indicator
7. Auto Power OFF
8. Unit of measure (mW/cm2)
9. Selected Range Display

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Operation
Taking a Measurement
1. Short press the power button. If the LCD does not switch on, check the batteries located
in the rear battery compartment.
2. With the sensor cover attached to the meter, short press the zero button, to zero the
display, before taking any measurements.
3. Remove the sensor cover.
4. Aim the light sensor at the UV light source.
5. View the measurement on the meter’s display.
6. Use the Range Rbutton to select the best range for the measurement.
7. To power OFF the meter, short press the button.
Power ON/OFF
Short press the button to power on the meter. Short press again to power OFF.
Range Selection
Short press the range button to toggle the range (2.000mW/cm2 and 20.00mW/cm2); the lower
display will show the selected range.
Zero Function
To zero the display, place the protective light cover over the UV sensor and press the ZERO
button.
Data Hold
Short press the H(hold) button to freeze or unfreeze a reading on the display. Hold function is
not operational while in record mode.
Backlight
The LCD is equipped with backlighting for easier viewing, especially in dimly lit areas. Short press
the backlight button to power ON the backlight. The backlight will automatically power off
after 10 seconds.
MAX-MIN Recording
In this mode, the meter records the maximum and minimum values over time.
1. Press the R(record) button to enter the Record mode. The record icon will appear on
the display. The maximum and minimum values will be recorded and updated during the
measurement period.
2. Press the R(record) button again to display the maximum value recorded. The icon will
appear on the display.

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3. Press the R(record) button again to display the minimum value recorded. The icon will
appear on the display.
4. Press the H(hold) button to clear the recorded data. The previous data will be erased and
the meter will start recording new data.
5. Long press the R(record) button to exit the record mode.
Auto Power OFF (APO)
In order to conserve battery life, the meter will automatically shut off after approximately 10
minutes of inactivity. The APO icon appears in the display (upper right) when APO is selected.
To set APO ON or OFF as the default condition:
1. Long press the SET button. The lower display will show ‘PoFF’.
2. Short press the ▲or ▼button to enable APO (YES) or disable APO (NO) as shown in the
upper display.
3. Short press the R(record) button to save the selection.
4. The meter will return to normal operating mode after approximately 10 seconds.
Note: APO is not operational in record mode.
Maintenance
Battery Replacement
1. Power OFF the meter.
2. Remove the flat head screw that secures the battery compartment at the back of the
meter.
3. Open the battery compartment and replace the 3 ‘AAA’ 1.5V batteries observing correct
polarity. Re-assemble the meter before use
Safety: Please dispose of batteries responsibly; never dispose of batteries in a fire, batteries may
explode or leak. If the meter is not to be used for 60 days or more, remove the battery and store
separately.
Never dispose of used batteries or rechargeable batteries in household waste.
As consumers, users are legally required to take used batteries to appropriate collection
sites, the retail store where the batteries were purchased, or wherever batteries are
sold.
Disposal: Do not dispose of this instrument in household waste. The user is obligated to
take end-of-life devices to a designated collection point for the disposal of electrical and
electronic equipment.
Cleaning and Storage
Periodically wipe the case with a damp cloth and mild detergent; do not use abrasives or
solvents.

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Specifications
Display Backlit LCD 35 x 30mm (1.4 x 1.2“)
Light sensor Photo sensor with cosine correction filter
Measurements Ultraviolet Light (UVA)
UV sensor spectrum 320 to 390 nm
Input Overload Display “----“
Tripod mount On rear panel
Power 3 x 1.5V ‘AAA’ batteries
Power Consumption Approx. 5mA DC
Automatic power off After approx. 10 minutes of inactivity
Operating temperature 0 to 50oC (32 to 122oF)
Operating humidity 80% RH max
Dimensions/Weight 141 x 58 x 25mm (5.5 x 2.3 x 1.0”) /160g (5.64oz)
Electrical Specifications (23±5
°
C)
Ultraviolet (UVA)
Unit Range Resolution Accuracy
mW/cm20 to 1.999 0.001
±(4% FS + 2dgt)
2 to 20.00 0.01
Copyright ©2017 FLIR Systems, Inc.
All rights reserved including the right of reproduction in whole or in part in any form
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