53Section 8 Replacement Parts and AccessoriesDescription Catalog Number4 pH solution, NIST, 500 mL 22834497 pH solution, NIST, 500 mL 228354910 pH solution, NIST, 500 mL 2283649Controller extension cable, 1 m (3.2 ft) 6122400Controller extension cable, 7.6 m (25 ft) 57960–00Controller extension cable, 15.2 m (50 ft) 5796100Controller extension cable, 30.5 m (100 ft 57962–00Flowmeter 4598700Fitting, ¼ OD, 1 / 8 NPT, male connector 6178800Fitting, ¼ OD, ¼ NPT, bulkhead union 6178600ORP electrode 08362=A=2111ORP reference solution, 200 mV, 500 mL 25M2A1001-115pH electrode 08362=A=2000pH/ORP electrode cable, 3 m 359016,10110ORP reference solution, 600 mV, 500 mL 25M2A1002-115Pt100 cable, 3 m 08362=A=3001Pt100 temperature sensor 08362=A=1001Tube, back 6178700Tube, front 6178900Tube connectors, 1/8 -in NPT, 2 each 08362=A=4000