LINSHANG LS125 User manual

Shenzhen Linshang Technology Co., Ltd.
2019-01-19 Page 1 of 12
LS125
Multiple probe
UV Light Meter
User Manual V3.0
Please read this manual carefully before using and reserve it for reference.

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I. Product Introduction
This instrument can support 9 kinds of UV probes according to different ultraviolet spectrum, measuring
range, test hole diameter and application industry.
No. Probe Model Spectral
response
Test Hole
Diameter Application Industry
1 UVC-X0 230nm-280nm ￠10mm Intensity and energy measurement of
254nm UV sterilization mercury lamp
2 UVCWP-X1 230nm-280nm ￠10mm
Intensity and energy measurement of
254nm UV sterilization mercury lamp,
waterproof
3 UVCLED-X0 230nm-315nm ￠10mm Intensity and energy of 260nm-285nm UV
LED sterilization lamp
4 UVB-X0 280nm-315nm ￠10mm General UVB intensity and energy
measurement
5 UVA-X0 315nm-400nm ￠10mm
Intensity and energy measurement of light
source of high pressure mercury lamp in
UV curing industry
6 UVA-X1 315nm-400nm ￠10mm General low power UVA intensity and
energy measurement
7 UVALED-X0 340nm-420nm ￠10mm
Intensity and energy measurement of
area light source of UV LED in UV curing
industry
8 UVALED-X1 340nm-420nm ￠1mm
Intensity and energy measurement of
point light source of UV LED in UV curing
industry
9 UVALED-X3 340nm-420nm ￠10mm
General UVA+UVV LED intensity and
energy measurement, low power
measuring range

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II. Probe Parameters
1. UVC-X0 probe
1. Spectral response: 230nm-280nm, λp = 254nm
2. Power measuring range: 0 - 200000μW/cm2
3. Resolution: 0.1μW/cm2
4. Energy measuring range: 0-9999999μJ/cm2
5. Record time: 0-99999s
6. Measuring accuracy: ±10%
7. Sampling speed: 6 times/second
8. Optional unit:μW/cm2 (default), mW/cm2, W/m2
9. Test Hole Diameter: ￠=10mm
10. Probe size: diameter 39mm * thickness 15mm
2. UVCWP-X1 probe
1. Spectral response: 230nm-280nm, λp = 254nm
2. Power measuring range: 0 - 200000μW/cm2
3. Resolution: 0.1μW/cm2
4. Energy measuring range: 0-9999999μJ/cm2
5. Record time: 0-99999s
6. Measuring accuracy: ±10%
7. Sampling speed: 6 times/second
8. Optional unit:μW/cm2 (default), mW/cm2, W/m2
9. Test Hole Diameter: ￠=10mm
10. Probe size: diameter 50mm * thickness 20mm
11. Waterproof depth: 1m
3. UVCLED-X0 probe
1. Spectral response: 230nm-315nm, suitable for testing 260nm-285nm sterilization UV LED (wide
spectral response range, avoid using in strong ambient light)

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2. Power measuring range: 0 - 200000μW/cm2
3. Resolution: 0.1μW/cm2
4. Energy measuring range: 0-9999999μJ/cm2
5. Record time: 0-99999s
6. Measuring accuracy: ±10%
7. Sampling speed: 6 times/second
8. Optional unit:μW/cm2 (default), mW/cm2, W/m2
9. Test Hole Diameter: ￠=10mm
10. Probe size: diameter 39mm * thickness 15mm
4. UVB-X0 probe
1. Spectral response: 280nm-315nm, suitable for measuring UVB light source that peak wavelength at
297nm, 308nm, 313nm etc.
2. Power measuring range: 0 - 200000μW/cm2
3. Resolution: 0.1μW/cm2
4. Energy measuring range: 0-9999999μJ/cm2
5. Record time: 0-99999s
6. Measuring accuracy: ±10%
7. Sampling speed: 6 times/second
8. Optional unit:μW/cm2 (default), mW/cm2, W/m2
9. Test Hole Diameter: ￠=10mm
10. Probe size: diameter 39mm * thickness 15mm
5. UVA-X0 probe
1. Spectral response: 315nm-400nm, λp = 365nm
2. Power measuring range: 0 - 2000mW/cm2
3. Resolution: 0.1mW/cm2
4. Energy measuring range: 0-9999999mJ/cm2
5. Record time: 0-99999s
6. Measuring accuracy: ±10%

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7. Sampling speed: 2048 times/second
8. Optional unit: mW/cm2 (default), W/m2
9. Test Hole Diameter: ￠=10mm
10. Probe size: length 39mm * width 32mm * thickness 15mm
6. UVA-X1 probe
1. Spectral response: 315nm-400nm, λp = 365nm
2. Power measuring range: 0 - 200000μW/cm2
3. Resolution: 0.1μW/cm2
4. Energy measuring range: 0-9999999μJ/cm2
5. Record time: 0-99999s
6. Measuring accuracy: ±10%
7. Sampling speed: 6 times/second
8. Optional unit:μW/cm2 (default), mW/cm2, W/m2
9. Test Hole Diameter: ￠=10mm
10. Probe size: length 39mm * width 32mm * thickness 15mm
7. UVALED-X0 probe
1. Spectral response: 340nm-420nm, calibrated with 395nm UV LED
2. Power measuring range: 0 - 20000mW/cm2
3. Resolution: 1mW/cm2
4. Energy measuring range: 0-9999999mJ/cm2
5. Record time: 0-99999s
6. Measuring accuracy: ±10%
7. Sampling speed: 2048 times/second
8. Optional unit: mW/cm2 (default), W/cm2, W/m2
9. Test Hole Diameter: ￠=10mm
10. Probe size: length 39mm * width 32mm * thickness 15mm

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8. UVALED-X1 probe
1. Spectral response: 340nm-420nm, calibrated with 395nm UV LED
2. Power measuring range: 0 - 20000mW/cm2
3. Resolution: 1mW/cm2
4. Energy measuring range: 0-9999999mJ/cm2
5. Record time: 0-99999s
6. Measuring accuracy: ±10%
7. Sampling speed: 2048 times/second
9. Optional unit: mW/cm2 (default), W/cm2, W/m2
10. Test Hole Diameter: ￠=1mm
11. Probe size: length 39mm * width 32mm * thickness 15mm
12. UVALED-X3 probe
1. Spectral response: 340nm-420nm, calibrated with 395nm UV LED
2. Power measuring range: 0 - 200000μW/cm2
3. Resolution: 0.1μW/cm2
4. Energy measuring range: 0-9999999μJ/cm2
5. Record time: 0-99999s
6. Measuring accuracy: ±10%
7. Sampling speed: 6 times/second
8. Optional unit: μW/cm2 (default), mW/cm2, W/m2
9. Test Hole Diameter: ￠=10mm
10. Probe size: length 39mm * width 32mm * thickness 15mm
13. Host Parameters
1. Host weight: about 194g
2. Host size:148mm * 76mm * 26mm (L*W*H)
3. Display: 240*160 dot matrix LCD
4. Power supply: 4 AAA alkaline battery

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5. Probe connection: push pull (Snap-in style)，Aviation socket.
III. The spectral response curves of probes

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IV. Product features
1. Replaceable probe design, support 9 UV probes.
2. Advanced digital probe technology, it has high precision and good anti - jamming ability.
3. Instrument intelligent recognize probe type and adjust the display interface intelligently.
4. A variety of spectral range, measuring range, test hole size of the probe to adapt to different
application industries.
5. For LED point light source, 1mm test hole can make it more convenient to measure.
6. Statistical functions, real-time value, maximum value, minimum value, average value, time, energy
values are displayed at the same time.
V. Operations
1. Power on/off
 Power on: Press “ ” to power on the instrument. After powering on, the instrument displays the
instrument parameters and probe parameters, and enter the measuring interface, as shown below:
 Power off: Long press the “ ” button to power off; or the instrument will automatically power off in
10mins after no operation when Auto Off set ON.
 The data recorded before shutdown will be automatically saved to the history record during automatic
shutdown. (No. 1, the latest record).
2. Parameter settings mode
In the off state, long press the “ ” button 3s to enter the parameter setting mode.
In the setting mode, “ ” and “ ” are Select buttons, and “ ” is the Confirm button.

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A. Select whether to automatically power off (Auto Off: ON/OFF)
Short press the “ ” or “ ” button to select ON/OFF
Selecting ON indicates that the instrument automatically powers off in 10mins after no operation.
Selecting OFF indicates that the user has to manually turn the instrument off, and the instrument will
not automatically power off.
Short press “ ” button to complete the setting and enter the next Set option.
B. Whether to display the energy value (Energy display: NO/YES)
Short press the “ ” or “ ” button to select NO/YES
Short press “ ” button to complete the setting and enter the next Set option.
C. Smooth (OFF/50HZ/60HZ, only probes with high sampling speed have this option)
If UV light source powered by alternating current (AC) power supply, the AC frequency affects the
power measurement, so that the smoothing process becomes necessary for those probes with high
sampling speed (2048 times/second),enter the smooth setting mode, short press the “ ” or “ ”
button to select.
OFF: Select this option, if UV light is DC powered and does not need smoothing.
50HZ: Select this option for 50HZ AC.
60HZ: Select this option for 60HZ AC.
Short press “ ” button to complete the setting and enter the next Set option.
D. Select the unit (Units: μW/cm2 , mW/cm2 , W/cm2 , W/m2)
Short press the “ ” or “ ” button to select the unit required (Different probes have different
options).
Short press “ ” button to complete the setting. When the probe model is UVALED-X0, UVALED-X1

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and UVALED-X3, the meter enter the next setting item. If not, the meter enter the measurement
mode.
E. Standard Selection
Short press the “ ” button or “ ” button to select the standard.
LS-STD (Enterprise standard): The meter is calibrated according to Linshang standard.
JJG 879-2015 (Chinese standard): The meter is calibrated according to Chinese standard.
Short press the “ ” button to confirm the setting and the meter enters the measurement mode.
3. Measurement mode
 In the measurement mode. The system displays the real-time value, maximum value, minimum value,
average value, measurement duration, energy value (energy display = YES)
 In the measurement mode, if the backlight is off, press the “ ” button to light the backlight; if the
backlight is already lit, short press the “ ” button, and the “HOLD” icon will be displayed in the lower
left corner of the interface. All data will be kept on the LCD, and the current data will be saved to the
history record.
 In the “HOLD” state, if the backlight is off, short press the “ ” button to light the backlight; if the
backlight is already lit, short press the “ ” button to cancel the HOLD state and start a new
measurement.
 In the measurement mode, if the backlight is off, short press the “ ” button to light the backlight; if
the backlight is already lit, press the “ ” button to clear up the current data and start a new
measurement.
 In the measurement mode, short press “ ” or “ ” to enter the record data query mode.

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4. Record data query mode
 Short press “ ” or “ ” to scroll up or down a record data.
No.1 is the latest recorded data (up to 9 records can be stored, and the oldest record will be deleted
automatically when exceed 9 recorded data).
 Long press the “ ” button 3Second to clear all recorded data.
 Short press the “ ” button to enter the measurement mode.
5. Aviation plug connection
When plugging out the probe, make sure not to violently rotate and pull the connector, but plug out the
plug by the way as shown in the following diagram.
VI. Precautions
1. When not in use, please long press the “ ”to power off the instrument.
2. Avoid contacting with corrosive materials and keep away from high humidity.

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3. After shutdown, store it in a special packing box and keep it in a safe place. Protect the photosensitive
part of the probe from polluting.
4. The recommended period of calibration is one year.
5. Because the UV probe is sensitive to humidity changes, the environment in which it is stored is
important. When not in use for a long time, be sure to store the instrument in a low humidity
environment.
6. When the instrument displays low battery, replace the battery.
VII. Packing list
No. Description Quantity Unit
1 UV Light Meter 1 pcs
2 Probe According to the numbers of probe
ordered
3 AAA battery 4 pcs
4 User manual 1 pcs
5 Certificate/Warranty
card 1 pcs
6 Plastic box 1 pcs
VIII. Service
1. The instrument has one-year warranty. If the instrument works abnormally, please send the whole
instrument to our company for maintenance
2. Provide users with spare parts and lifelong maintenance services
3. Provide the users with the meter calibration service
4. Free technical support for long term
Manufacturer: Shenzhen Linshang Technology Co., Ltd.
Website www.linshangtech.com
Service hotline: [phone]
Email: [e-mail]