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Equipped with a high-power, long-life laser light source and advanced DSP processing technology, the QP-25A delivers up to 600–1000 scanning cycles per second for real-time quality control. Its fully automatic closed-loop control ensures measurements are unaffected by line speed or vibration. The instrument supports RS232/485 (Modbus RTU) communication for easy system integration, and boasts an IP65/NEMA4 protection rating for reliable operation in dusty or wet conditions. The multi-angle operation panel with a two-row 5-digit display provides clear, convenient data reading.
| Measuring range | 0.1mm-25mm、1/256"-63/64" |
| Measuring accuracy | ±2μm±0.008%Dz mm("Dz"is the actual diameter of the measured object) |
| Scanning speed of diameter gauge | 1000times scanningcycle/second |
| Resolution | 0.001mm |
| Power supply voltage | 100~240VAC,1.0A |
| Ambient temperature | -10～45℃ |
| Relative humidity | ≤85%(no condensationwater) |
| Display means | two-row5-digit pipe display |
| Working frequency | 50/60Hz |
| Communication interface | RS485 (support Modbus RTU) |
| Power consumption | ≤15W(withadapter+40W) |
Integrated Structure: Unique, sealed design with upward-removable lens cover for stable operation and easy maintenance.
High Precision & Speed: ±2μm ±0.008%Dz accuracy, 600–1000 scans/second, unaffected by speed or vibration.
Durable Construction: Die-cast aluminum housing (powder-coated for corrosion resistance), high-quality stainless steel fasteners.
Advanced Technology: DSP processing, fully automatic closed-loop control, high-power long-life laser source.
Flexible Connectivity: RS232/485 (Modbus RTU) for seamless production line integration.
Rugged Protection: IP65/NEMA4 rating, suitable for harsh industrial environments.
User-Friendly Display: Multi-angle two-row 5-digit digital display for clear data reading.
The QP-25A laser diameter measuring instrument is widely used across diverse industries:
Enameled wire (round wire, flat wire) production
Wire and cable, optical fiber and cable manufacturing
Aluminum-plastic composite pipe (plastic pipe) processing
Copper strip and steel strip production equipment
Hardware precision processing and tool mold inspection
Micro-wire drawing
Welding wire and welding strip production
Steel metallurgy
3D printing consumables manufacturing
Measurement of width and thickness of various round and flat objects
QP-25A Blue laser diameter gauge.pdf
1. What is the accuracy of the QP-25A?
±2μm ±0.008%Dz mm ("Dz" is the actual diameter of the measured object)
2. What power supply voltages are compatible with the QP-25A?
Power supply voltage: 100~240VAC, 1.0A
3. What communication interfaces does the QP-25A Laser Diameter Measuring device support?
RS485 (supports Modbus RTU)
4. Is the QP-25A resistant to harsh industrial environments?
Yes, it has an IP65 and NEMA4 protection rating, making it suitable for dusty or wet conditions.
5. Does the measurement performance get affected by line speed or vibration?
No, the fully automatic closed-loop control and DSP processing technology ensure stable, accurate measurements regardless of line speed or vibration.
6. What materials can the QP-25A measure?
It can measure transparent/translucent objects (e.g., glass tubes, rods) and industrial materials (e.g., cables, wires, pipes), as well as the width and thickness of various round and flat objects.
7. How is the QP-25A maintained?
The unique upward-removable lens cover allows quick, easy access for cleaning and maintenance, minimizing downtime.
