What are the maintenance parts for the RC800D (Reagent Type Residual Chlorine Sensor Unit)?

Parts No. Name Remarks QTY Recommended Replacement Interval
- Primary acetic acid (CH3COOH)
grade: over 99.0+%
For reagent preparation -  
- Sodium acetate (CH3COONa)
grade: over 98.0%
For reagent preparation -  
- Potassium bromide (KBr)
 grade over 99.0+%
For free chlorine measurement reagent (-F, -C) -  
- Potassium iodide (KI)
grade over 99.0+%
For total chlorine measurement reagent (- T) -  
K8005JC Measurement Electrode (rotating electrode) gold-alloy electrode 1 yearly
K8005UH Reference electrode Platinum electrode (-F, -T) 1 (*1)
K8005UC Reference electrode Silver/Sliver chloride electrode for combined chlorine insensitive type (-C) 1 (*1)
K9332ZJ Glass beads 2 Packs/Piece 1 yearly
K9088PE Polishing Powder (Alumina) For polishing measurement electrode 1 -
K9332SR Rotating contact Part for the electrode unit 1 yearly
K8005LB Driven shaft assembly Part for the electrode unit 1 3 years
Y9115XB O-ring Part for the electrode unit 1 3 years
K8005LC Motor Part for the electrode unit 1 3 years
B1005AC Coupling Part for the electrode unit 1 3 years
A1633EF Fuse 250 V/2.5 A for the smart unit 1 -
A1624EF Fuse 250 V/3.15 A for the terminal box (/ TB option) 1 -
K9720FZ Sand for filter 1 L for the sand Filter (-2N,-3N,-2A,-3A) 1 yearly
K9087XA Air Pump (100 V) For the Air pump (- P1) 1 3 years
K9087XF Air Pump (110 V) For the Air pump (- P2) 1 3 years
K9087XG Air Pump (200 V) For the Air pump (- P3) 1 3 years
K9087XH Air Pump (220 V) For the Air pump (- P4) 1 3 years
K9041RA Lubricating oil For liquid pump monthly maintenance 1 1 month (*2)
L9819AA Bellofram For reagent flow control of liquid pump 1 6 Months
L9819AB Bellofram For sample flow control of liquid pump 1 6 Months
K9041HC Valve seat For liquid pump 1 -
K9041SU Valve seat For liquid pump (4 pcs of K9041HC) 1 6 Months
L9862AY Activated Charcoal Filter For zero calibration 1 yearly
K9332NN Filter Parts of the sand filter (-2N,-3N,-2A,-3A) 1 yearly

*1:Replace it when it is damaged.
*2:Oil is in a bottle, so needs to be applied every month, but not necessary to buy every month a bottle. It will last 3 years.

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