Vintage Bran+Luebbe Technicon AA II Colorimeter Module
The unit is in excellent cosmetic condition with no visible damage. Tested with 24V power supply: the device powers on immediately, the paper feed functions smoothly, and the printer starts recording (printing zeros as shown in photos). Buttons are responsive. No further technical testing has been performed. Video of the unit operating is available upon request.

For sale is a vintage industrial Wetzer Primo-Count II (by Endress+Hauser) impulse counter and event recorder. This high-quality German-made instrument is designed for monitoring industrial processes, counting pulses, and logging data on a strip chart.

Technical Specifications

• Brand: Endress+Hauser / Wetzer

• Model: Primo-Count II

• Order No (Auftr Nr): K30050874/0010

• Power Requirement: 24V DC

• Display: Digital LED segment display

• Recording Media: Paper strip chart (included)

• Origin: Made in Germany

Condition & Testing

• Cosmetic Condition: Excellent. The unit is very clean, with no cracks in the transparent protective cover or damage to the casing.

• Functional Test: I have tested the unit by applying 24V DC to the terminals. The device powered on immediately, the paper feed mechanism worked perfectly, and the print head began recording (printing zeros as shown in the photos).

• Note: All buttons appear responsive. Due to a lack of specialized sensors, further deep technical testing has not been conducted.

• Video: I have a video of the unit powering up and printing, which can be provided upon request.