Front Load Dual Sensor – High-Performance Solution for Precise Thin-Film Monitoring

Front Load Dual Sensor

The Front Load Dual Sensor is engineered for exceptional accuracy, reliability, and durability, making it an ideal choice for critical thin-film deposition processes. With its dual-crystal configuration, this sensor ensures continuous operation, as the backup crystal activates automatically when the primary crystal reaches its lifespan. This feature is essential for high-precision coating applications, minimizing interruptions and maintaining consistent process efficiency.

Effortless Installation & Seamless Integration

The front load design simplifies the insertion of the crystal holder, particularly in tight spaces where side insertion is not feasible. This space-saving feature enhances flexibility in various system setups, making it easy to integrate into both new and existing vacuum deposition systems.

Durable, Modular & Low-Maintenance Design

Unlike soldered alternatives, the Front Load Dual Sensor is mechanically assembled, allowing for quick and hassle-free part replacements when necessary. This modular design significantly reduces downtime, ensuring that your production line remains efficient and uninterrupted. The sensor’s robust construction provides long-term durability, minimizing the need for frequent maintenance while delivering consistent, high-quality measurement performance.

front-load-dual-sensor

Flexible Installation Options for Maximum Compatibility

This high-performance sensor is available individually or as part of a sensor/feedthrough combination, offering customized solutions based on specific installation requirements. With options for welding or compression fittings, it seamlessly integrates with various vacuum deposition systems, ensuring maximum process adaptability.

Optimized for High-Precision Applications

Designed for thin-film monitoring in advanced manufacturing environments, the Front Load Dual Sensor supports demanding coating applications, including optical coatings, semiconductor processing, and precision industrial coatings. Its dual-crystal functionality provides a cost-effective solution, reducing the need for frequent manual interventions and improving overall system productivity.

Whether you are upgrading an existing setup or designing a new vacuum deposition process, the Front Load Dual Sensor delivers the stability, accuracy, and efficiency required to achieve superior deposition results with minimal maintenance requirements.

Features

  • Dual crystals
  • Crystal shutter
  • Front load crystal holder
  • Easy installation
  • Available with: 2.54 cm (1 inch) bolt feedthrough and CF40 feedthrough
  • Adjustable length if ordered with compression fittings
  • No brazing required if ordered with compression fittings or welded to feedthrough
  • Sensor/feedthrough combinations available welded to customer specified lengths

Front Load Dual Sensor Specifications:

 
Maximum operating isothermal environment temperature with minimum water flow 400°C
Crystal exchange Front-loading, self-contained package for ease of exchange. Shutter flips up to ease access to the holders.
Water tubes S-304, 0.125 in. (3.175 mm) OD x 0.015 in. (0.381 mm) Wall thickness seamless stainless steel tubing
Feedthrough Specifications 1 in. bolt and Ultra-Torr (compression fitting) terminations:
Materials 304 stainless steel, Teflon, ceramic, beryllium nickel, VITON®
Temperature Operational environment to 300ºC with water cooling or 165° C without
Mounting 1.015 in. ±0.010 in. diameter aperture

For Full Specifications

PDF • 716 KB

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Accessories

Accessories
Name Description
QCM Sensor Feedthroughs QCM Sensor Feedthroughs

Consumables
Name Description
Quartz Monitor Crystals Quartz Monitor Crystals

Spare Parts
Part Number Description
007-007 Retainer spring (for crystal holder)
007-023 Ceramic Retainer
080-018 Set screw (for female coax)
082-044 Teflon screw (for leaf spring)
750-115-P4 Coupling (installs onto bellows assembly)
750-169-P2 Bellows assembly (coupling not included)
750-171-P1 Finger spring contact
750-172-G1 Crystal holder (includes retainer spring)
750-174-P2 Female coax
750-175-P1 Insulator (underneath leaf spring)
008-007 CRYSTAL SNATCHER
750-188-P3 Leaf Spring
750-210-G1 Shutter module (bellows assembly, shaft assembly, and shutter assembly)
750-215-G1 Shaft assembly (part of shutter module)
750-216-G1 Shutter assembly (part of shutter module)In-vacuum cables
321-039-G12 In-vacuum cable, 15.2 cm (6 in.)
783-500-023 In-vacuum cable, 25.4 cm (10 in.)
007-252 In-vacuum cable, 30.5 cm (12 in.)
321-039-G11 In-vacuum cable, 61.0 cm (24 in.)
007-044 In-vacuum cable, 78.1 cm (30.75 in.)
007-059 In-vacuum cable, 91.4 cm (36 in.)
007-061 In-vacuum cable, 121.9 cm (48 in.) – Requires ModeLock controller
007-061 In-vacuum cable, 121.9 cm (48 in.) – Requires ModeLock controller
321-039-G13 In-Vacuum Cable, 154.2 cm (60 in.) – Requires ModeLock controller
321-039-G14 In-vacuum cable, 182.9 cm (72 in.) – Requires ModeLock controller
321-039-G15 In-vacuum cable, 3.5 m (137.8 in.) – Requires ModeLock controller and 4 m XIU
321-039-G16 In-vacuum cable, 4 m (157.5 in.) – Requires ModeLock controller and 4 m XIU

Downloads

Manuals

Front Load Single/Dual Sensor Operating Manual

PDF • 5,9 MB • Operating Manual

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Instruction Sheet: CrystalTwo Switch

PDF • 469,4 KB • Operating Manual

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3D Step Files

DL-AE00 Front Load Dual Sensor

STP • 522,0 KB • 3D FILES

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Others

Application Note – Shuttered Crystal Sensor

PDF • 121,3 KB • ENGLISH

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What is a QCM Sensor?

PDF • 531,6 KB • ENGLISH

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For detailed pricing or to learn more about how the Front Load Dual Sensor can benefit your specific needs, feel free to reach out to us.