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HAMAMATSU
OPTICALPINHOLE INSPECTION UNIT

OPTICALPINHOLE INSPECTION UNIT

Product catalog summary

Overview
The C11740 is an optical pinhole inspection unit designed for detecting pinholes in cans. It features a high-sensitivity optical sensor, specifically a photomultiplier tube, which allows for the detection of even tiny pinholes with high speed and precision. The unit includes a large photosensitive area and an excessive light protection circuit, making it ideal for can pinhole detection tasks. It also supports external control input/output for easy setup in in-line inspections.

Features

Detection Capability: Can detect pinhole sizes as small as 10 µm, with a detection speed of 2400 holes per minute.
Excessive Light Protection: Built-in circuit to prevent damage to the detector from excessive light exposure.
Pinhole Judgment Function: Provides pass/fail results based on adjustable thresholds.
Self-Diagnostic Function: Ensures high-reliability inspections by evaluating detector operation.

Specifications

Detection Speed: 2400 holes/min
Detector Spectral Response: 450 nm to 480 nm
Photosensitive Area Size: 58 mm
Input Voltage: 24 V DC
Power Consumption: 12 W
Operating Temperature: -10 °C to +45 °C
Storage Temperature: -20 °C to +50 °C
Humidity Range: 35% to 85% RH (no condensation)
Applicable Standards: IEC 61326-1 Group 1, Class A; IEC 61010-1

Components

Detection Unit: H11746
Control Unit: C11747

Pass/Fail Processing
The C11740 system includes a detection unit (H11746) and a control unit (C11747), which work together to process pass/fail results for inspected cans.

Contact Information
Manufactured by Hamamatsu Photonics, with contact details provided for various global offices including the USA, Germany, France, UK, North Europe, Italy, and China.

Catalog excerpts

OPTICAL PINHOLE INSPECTION UNIT C11740 OVERVIEW The C11740 is a pinhole inspection unit specifically designed to detect pinholes in cans. Internal components include a high-sensitivity optical sensor (photomultiplier tube) to detect even tiny pinholes with high speed and precision. Its specifications include a large photosensitive area and an excessive light protection circuit ideal for can pinhole detection tasks. External control input/output on the C11740 allows easy setups for in-line inspections and other tasks. FEATURES GDetection pinhole sizes : 10 µm 1 GDetection speed: 2400 holes / min GBuilt-in excessive light protection circuit Effectively limits damage to detector even when excessive light enters it. (Comparison with analog signal output) No excess light protection Has excess light protection Vastly reduced signal trail GPinhole judgment function 2 gives pass/fail based on threshold (any required level) Detection sensitivity and pinhole judgment threshold are adjustable on front panel to any desired level. GSelf-diagnostic function Evaluates detector operation to guarantee high-reliability inspections. NOTE: 1Detectable pinhole size depends on can shape and irradiation light level. 2Cannot detect the number, size or position of pinholes.

Open the catalog to page 1

DETECTION PRINCIPLE Manufactured by Hamamatsu Photonics LIGHT SOURCE UNIT OBJECT UNDER INSPECTION LIGHT SOURCE UNIT PROGRAMMABLE LOGIC CONTROLLER POWER SUPPLY PASS/FAIL PROCESSING The C11740 consists of a detection unit (H11746) and a control unit (C11747). SPECIFICATIONS Parameter Detection pinhole size Detection speed Detector spectral response Photosensitive area size Input voltage (DC) Power consumption Operating ambient temperature Storage temperature Operating ambient / storage humidity range Description / Value 10 µm * 2400 holes / min 450 nm to 480 nm 58 mm 24 V 12 W -10 °C to +45 °C...

Open the catalog to page 2

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