On eBay Now...

NOS – Vintage Cole-Parmer Series 8129 Temperature Converter – Model 8129-55 For Sale

NOS – Vintage Cole-Parmer Series 8129 Temperature Converter – Model 8129-55
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.

Buy Now

NOS – Vintage Cole-Parmer Series 8129 Temperature Converter – Model 8129-55:
$411.78

NEW OLD STOCK – Vintage Cole-Parmer Series 8129 Temperature Converter – Model 8129-55 – With Manual

This listing is for a NEW OLD STOCK Cole-Parmer Series 8129 Temperature Converter, model 8129-55.
The unit is unused and comes with its original paperwork/manual. The probe cable, casing, LED indicators, and housing are all in excellent NOS condition with only minor signs of long-term storage.

These vintage Cole-Parmer converters were designed for precision laboratory and industrial temperature measurements, providing stable signal conversion for thermistor-type probes.

🔧 Condition

  • New Old Stock (NOS)

  • Never used

  • Includes original manual

  • LEDs, switches, and connectors all clean and intact

  • Minor cosmetic wear from storage (see photos)

  • You will receive the exact unit shown in the pictures

📦 Included

  • Cole-Parmer 8129-55 Temperature Converter

  • Permanently attached temperature probe

  • Original instruction manual

  • Original packaging

🌟 Key Features

  • Classic Cole-Parmer instrumentation

  • Converts thermistor probe readings into standardized output

  • LED indicators for BAT (battery) and ON/OFF status

  • Compact handheld design

  • Battery-powered operation

  • Durable vintage construction

  • Ideal for collectors, restorers, and vintage lab equipment enthusiasts

📐 General Specifications (Series Data – 8129 Temperature Converters)

(Based on period Cole-Parmer documentation)

  • Series: 8129

  • Model: 8129-55

  • Function: Temperature-to-voltage converter

  • Power: 9V battery (internal)

  • Indicators:

    • BAT (battery condition)

    • Probe Type: Fixed thermistor sensor

    • Application: Laboratory, industrial monitoring, test environments, calibration support

    🧪 Ideal For

    • Vintage lab instrument collectors

    • Restoration of classic Cole-Parmer systems

    • Test bench setups

    • Museums, universities, and electronics reference collections

    • Replacement part for legacy equipment installations

    🚚 Shipping

    • Ships within 1 business day

    • Professionally packed

    • Tracking included

    Cole-Parmer 8129, Cole Parmer temperature converter, vintage lab equipment, NOS Cole-Parmer, model 8129-55, thermistor converter, vintage temperature monitor, industrial instrumentation.
    Buy Now

    Vintage NOS Trionet 30 Amp. Time Delay Heavy-Duty - 4 PCS picture

    Vintage NOS Trionet 30 Amp. Time Delay Heavy-Duty - 4 PCS

    $20.00


    ADT 19079-0020-001 Omron Sensor Accy Reflector 380-230 Dicing Saw NOS picture

    ADT 19079-0020-001 Omron Sensor Accy Reflector 380-230 Dicing Saw NOS

    $100.00


    HP19165MS - Betts - Hydraulic Hand Pump, NOS picture

    HP19165MS - Betts - Hydraulic Hand Pump, NOS

    $174.99


Popular Tutorials

Alarms and Indicator Circuit diagrams Audio electronic circuits list Circuits for Cars/Motorcycles Computer/PC Hardware Circuits : Design Ideas : Fun/Games Circuits : Signal/Sequence/Misc. Generators : Home/Garden related Circuits : Lights & LED Circuits : Motor Circuits : Music related Circuits : < Oscillator Circuits : Power Supply (PS) Circuit diagrams : Radio,transmitter,receiver circuits : Remote Control Circuit diagrams : Robotics related Circuits : Sensors : Telephone Circuit diagrams : Test & Measurement Circuits :