Combined glass pH electrode MA991B/1 Back Catalog number: MA991B/1 Manufacturer: MILWAUKEE ELECTRONICS Availability: In the manufacturer's stock Price on request - + Recommended MA812/2 Conductivity/TDS probe with 2meter cable(MC 310). Price on request 18901181 DPCL01 ISE measuring probe-Chlorine 71,09 € MA921B/2 Double junction ORP platinum electrode MA921B/2 Price on request