This temperature probe is designed for use with ф (pHi) series 200, 300, 400, 500, or 600 series meters

• Application: Providing Continuous Temperature Correction to pH Meters During Measurements
• Diameter: 6 mm
• Length: 150 mm
• One-Meter-Long Cable Included
• For Use with ф (pHi) series 200, 300, 400, 500, or 600 series meters

The Beckman Coulter ATC Probe automatically provides

It includes an integrated, 1 m cable and is 6 mm x 150 mm.