1. What is the DTE HD-7L Ultrasonic Scaler Handpiece?
The HD-7L is a detachable handpiece accessory for DTE series ultrasonic scalers, featuring an LED light for improved visibility during dental procedures.
2. What are the main uses of the HD-7L handpiece?
It is used for dental calculus elimination and, when paired with compatible scalers, for root canal cleaning.
3. Which scaler models are compatible with the HD-7L handpiece?
It is compatible with D3 LED, V2 LED (for scaling), and D5 LED, D7 LED, V3 LED (for scaling and root canal cleaning).
4. Who should not use the HD-7L handpiece?
Patients with hemophilia or heart pacemakers, doctors with pacemakers, and those with heart disease, pregnant women, and children should use with caution or avoid use.
5. How should the handpiece and its components be sterilized?
Remove the nipple, light pipe, and LED lamp before autoclaving at 134°C, 2.0–2.3 bar for 4 minutes. Do not boil, soak in disinfectants, or use ultrasonic cleaners.
6. What are the main technical specifications?
- Power input: 190V–230V
- Vibration frequency: 28kHz ± 3kHz
- Output power: 3W–20W
- Water pressure: 0.01MPa–0.5MPa
7. How do you install the handpiece and tips?
Connect the handpiece to the cable, ensuring dryness. Use only DTE brand scaling tips and tighten with a torque wrench.
8. What should I do if the handpiece is not working properly?
Check for loose tips, cable issues, or water supply problems. Refer to the troubleshooting section or contact your dealer for persistent issues.
9. How should the handpiece be stored and transported?
Store in a cool, dry, ventilated place away from hazardous materials. During transport, avoid impact, moisture, and direct sunlight.