LS129 UV Digital Probe
Monitor UV intensity and energy in real time
Support MODBUS communication protocol
Provide RS485 communication interface
Connecting to PLC/Computer for easy automation integration
Small size for installation
Feature video
LS129 is a small and intelligent communication UV digital probe. It is suitable for various measurement occasions that need to detect UV power and energy in real time. The digital probe has a standard RS485 communication interface and supports MODBUS communication protocol. Its detector and controller are separate which is easy to installation and can be directly connected to a computer, PLC and human-machine interfaceI for communication in order to realize real-time data acquisition and monitoring.
Probe Parameter
Depending on the UV spectrum range and application industry, Linshang has launched three different UV digital probes to choose from, namely LS129-UVALED, LS129-UVA and LS129-UVC. The following table shows the relevant parameters of the three digital probes.
| Probe Model | LS129-UVALED | LS129-UVA | LS129-UVC |
|---|---|---|---|
| Spectral response | 340nm-420nm, calibrated at 395nm |
315nm-400nm, λp =365nm |
230nm-280nm, λp =254nm |
| Power measurement range | 0-20000mW/cm2 | 0-2000mW/cm2 | 0-200000μW/cm2 |
| Energy measurement range | 0 - 4 × 109 mJ/cm2 | 0 - 4 × 109 μJ/cm2 | |
| Resolution | 1mW/cm2 | 0.1mW/cm2 | 0.1μW/cm2 |
| Measurement accuracy (H is the standard value) |
H<50mW/cm2: ±5 mW/cm2 H>=50mW/cm2: ±10%H |
H<5mW/cm2: ±0.5mW/cm2 H>=5mW/cm2: ±10%H |
H<50μW/cm2: ±5μW/cm2 H>=50μW/cm2: ±10%H |
| Sampling speed | 2048times/s | 6times/s | |
| Data fresh cycle | 200ms | ||
| Test light hole diameter | ￠10mm | ||
| Communication line length | 1m, resistant to high temperature of 80℃ | ||
| Detector line length | 0.5m, resistant to high temperature of 200℃ | Integrated | |
| Communication interface | RS485 | ||
| Communication protocol | MODBUS | ||
| Supply voltage | DC 5V-24V 20mA | ||
| Operation temperature | -25℃- 85℃ (Humidity less than 85%, no condensation) | ||
| Controller size | 72.5*32*15.1(mm) | ||
| Probe size | 35*15*14.5(mm) | ||
Communication Parameters
1. Station No
The LS129 smart digital probe supports the standard MODBUS protocol. The default communication address is "1". You can modify the probe communication address through the "Human Machine Debugging Tool" or the communication protocol. The address setting range is 1-247.
2. Baud rate
The default baud rate of the UV digital probe is 9600bps. The baud rate can be modified through the "Human Machine Debugging Tool" or communication protocol.
3. Protocol
Supports the standard MODBUS protocol. You can read the measurement data, set the communication address and baud rate through the communication protocol. For detailed communication commands, please refer to "LS129 Digital Probe Communication Protocol".
4. Probe wiring
| Wire color | Function |
|---|---|
| Black (with heat-shrinkabletube) | Shielded wire |
| Red | Positive power（DC 5-24V） |
| Black | Negative power |
| Green/Blue | RS485- |
| White/Yellow | RS485+ |
Feature
Adopt RS485 communication interface, Support MODBUS communication protocol
This UV intensity probe adopts standard RS485 communication interface and MODBUS communication protocol. It is equipped with high temperature wire capable of withstanding temperature of 200 ℃, which can realize online monitoring in real time for a long time
Whole probe is exquisite and compact, Detector and controller is seperate
The LS129 UV digital probe has a very small size, and the detector and controller adopt a split design, which is very convenient for installation where measurement is needed. It is also possible to combine the detector and controller with screws for measurement
Ultra-wide power supply range
The probe is powered by a 5-24V ultra-wide DC power supply range, which is very convenient for use in different industries on spot
Free computer debugging software for communication protocol debugging.
There are two kinds of RS485 negative communication cable in green and blue, please refer to the actual color of the received goods
Debugging tools
Human Machine Interface for commissioning
It can be used to view test data, set probe address and baud rate during debugging
RS232/RS485 converter
Used for communication protocol debugging
USB adapter
used to read data from RS485 to USB connection computer
Note: The debugging human-machine interface, RS232 converter and USB converter are not standard. These accessories can be purchased as required
FAQ
-
1. LS129 is just a UV probe, why is it so expensive?
LS129 is an digital UV probe, which adopts standard RS485 communication interface and MODBUS communication protocol. It is equipped with 200℃ high temperature resistant cable, which can monitor the radiation intensity and energy value of UV light source in real time for a long time.
-
2. Can the LS129 UV digital probe provide a device to display data?
If you don't need to connect a computer or a PLC, you can also purchase the human-machine interface directly from our company.
UV Light Meter Selection
More about UV Light Meter price, product selection, parameter comparison and question
Your product information request
Please let us know your requirements and we will be in contact with you shortly！