ADS420
AP100
ATEX/IECEx - Endura ACA592
AV450, AV455
AW401
AWT210
2-wire conductivity, pH/ORP pION transmitter
AWT420
Universal 4-wire, dual-input transmitter
AWT440 Multi-channel digital transmitter
AX400 Series - 4-wire, dual input transmitter
Aztec AAM631
Aztec AFM631
Aztec ATS430
Aztec AW631
Aztec AW632
Aztec AW633, AW634, AW635
Aztec AW637
Aztec AW637
Dissolved organics monitor AV410, AV411, AV412, AV420
Dissolved oxygen analyzer
ADS550
Flow-through pH sensor 7600
Hastelloy C electrodes
TB468
Insertion type, carbon electrodes AC211, AC212, AC213, AC221
Low range turbidity sensor
4690
Navigator AHM550
Navigator ASO500 
Navigator AW641
Optical dissolved oxygen sensor
ADS430
pH / redox (ORP) analyzer AX466, AX460, AX416, AX456, AX436
pH / redox (ORP) industrial Ryton sensor
TBX551
pH / redox (ORP) retractable sensor for smaller installations
TBX587
pH / redox (ORP) sensor
AP121
pH / redox (ORP) sensor
AP200
pH / redox (ORP) transmitter
Endura APA592
pH / redox electrode system 2867
pH / redox sensor
AP300
Phosphate analyzer Aztec AW636, Navigator AW642
Retractable type, stainless steel electrodes
2085
Stainless steel electrodes TB25, TB254
Stainless steel electrodes TB264, TB27
Stainless steel electrodes TB454, TB457, TB461, TB464, TB47
TB26
TB82 2-wire, single input transmitter 
TB82TC
TB82TE
TBX556, TBX557, TBX561, TBX564, TBX567
Toroidal, electrodeless sensor
TB4042