pH Sensor InPro4260/120/PT1000 Back Catalog number: 52002987 Availability: In the manufacturer's stock Price on request - + Recommended MA811/2 Conductivity/TDS probe with 2meter cable (MC410). Price on request MC510 ORP controller MC510 Price on request MA916B/3 Combined glass pH electrode, refill, BNC, 3m Price on request