WPH310/410 PH/ORP控制器電極(探頭，感應器)，前置放大器，連線
WEL-PHF-NN Electrode, pH, cartridge only ph平面電極
WEL-PHB-NN Electrode, pH, bulb surface pH燈泡表面電極
WEL-PHH-NN Electrode, pH, flat, HF resistant pH平面耐高頻電極
WEL-MVF-NN Electrode, ORP, cartridge only ORP平面電極
WEL-MVR-NN Electrode, rod style only
102606-5 Housing w/ preamplifier, no ATC,5 ft cable 前置放器器（不帶溫度補嘗）
102606 Housing w/preamplifier, no ATC, 20 ft cable 前置放器器（不帶溫度補嘗）
102581 Housing w/ preamplifier, Pt1000 ATC, 20 ft cable (used in option 8T)
102029 Electrode, high pressure, pH
102963 Electrode, high pressure, ORP
51160-10 Cable, 10 ft, threaded cap, BNC, CPVC
51159 Electrode, ORP, submersion, flat, no cable, CPVC
51158 Electrode, pH, submersion, flat, no cable, CPVC
S650CD-ORP 氧化劑電極
S650CD-PH PH電極
190783 Preamplifier pH / ORP w/10 cable, pre-wired
102029 PH電極，耐強酸強堿，耐高溫電極
WCU310/410鍍銅、蝕銅控制器感應器（電極，探頭）
190787 沉浸式銅電極 Sensor, immersible, copper
190785 流通式銅感應器 Sensor, flow through, copper
190893 流通式銅感應器(高濃度)Copper Sensor(High Con.)
Walchem pH/ORP電極(感應器)
$美國
Walchem WCU/WNI鍍銅/鎳控制器感應器、探頭
$美國
Walchem WEC電導率控制器感應器
$美國
Walchem 102029耐強酸耐強堿耐高溫PH電極
$美國