Description
The LS501 Transmittance Digital Probe is an intelligent sensor designed to measure the transmittance or optical density of transparent materials. It is suitable for real-time monitoring in various industrial scenarios. Equipped with dual RS485 interfaces and MODBUS protocol, it seamlessly integrates with PLCs, HMIs, and PCs for real-time data acquisition. Applications include online production monitoring, quality inspection for glass, window films, and liquid transmittance analysis.
The probe measures transmittance by comparing incident light intensity with transmitted light intensity through the tested material, calculated as a percentage ratio.
Product Parameters
| Parameter | Value |
|---|---|
| Measurement Wavelength | 380nm-760nm, 850nm IR, 530nm green light (selectable) |
| Measurement Spot | 5mm |
| Transmittance Accuracy | ±1% (for uniform colorless materials) |
| Transmittance Resolution | 0.005% |
| Optical Density Range | 0.00 OD — 6.00 OD |
| Optical Density Resolution | 0.01 (0.00–3.00 OD)0.05 (3.00–5.00 OD)0.15 (5.00–6.00 OD) |
| Slot Width | <40mm |
| Operating Temperature | -10℃ ～ 60℃ |
| Storage Temperature | -20℃ ～ 70℃ |
| Humidity | <85% (non-condensing) |
| Data Refresh Rate | 300ms (normal mode)/100ms (fast mode) |
| Communication | Dual RS485 |
| Protocol | MODBUS |
| Power Supply | 7.5V–15V DC |
| Current | 50mA |
| Power Consumption | 375mW |
| Light Source Probe | 50*35*46.3(mm) |
| Receiver Probe | 50*35*25.5(mm) |
| Cable Length | Customizable |
Features
Stable Digital Probe Design
Integrated digital signal processing ensures interference-free, high-precision transmittance/OD output.
RS485/MODBUS Compatibility
Dual RS485 interfaces with MODBUS protocol enable seamless automation integration with PLCs, HMIs, and PCs.
Compact & Easy Installation
Split design (light source + detector) with mounting brackets; simplified 6-wire connection.
Kontak Kami :
Telp/Whatsapp : 0812 1248 2471
Email : alfin@testindo.com
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