CA76NA Sodium Analyzer Spare Parts Overview
The CA76NA is a commonly used sodium ion analyzer in industrial water quality monitoring, and its stable operation depends on regular replacement of spare parts. Correct selection of spare parts can extend the instrument's service life and ensure measurement accuracy.
This article compiles the original manufacturer's order numbers and specifications for spare parts of the CA76NA and CA76xx series, and compares the differences between old and new versions for reference by engineering and technical personnel and procurement.
Core Spare Parts List
The table below lists commonly used spare parts for the CA76NA, including electrodes, pumps, valves, and standard solutions. It is recommended to inspect periodically and stock in advance.
Electrodes and Standard Solutions
| Order Number | Specification Description |
|---|---|
| 71358110 | CA76NA accessory sodium electrode |
| 71358111 | CA76NA accessory pH combination electrode |
| 71371663 | CA76NA electrode |
| 71358761 | CA76NA accessory 5100 ppb sodium standard solution |
| CPY20- | pH standard solution CPY20 (with calibration certificate, traceable to PTB and NIST) |
Pumps and Mixing Units
| Order Number | Specification Description |
|---|---|
| 71358118 | CA76NA accessory 24V DC alkalization pump |
| 71583343 | Kit CA76NA Alkalisation pump V2.0 |
| 71358122 | CA76NA accessory 24V DC standard solution pump |
| 71583346 | Kit CA76NA standard solution pump V2.0 |
| 71358125 | CA76NA accessory 24V DC circulation pump |
| 71583339 | Kit CA76NA Circulation pump V2.0 |
| 71358112 | CA76NA accessory mixing unit |
| 71583317 | Kit CA76NA Mixing element V2.0 |
Valves and Connectors
| Order Number | Specification Description |
|---|---|
| 71358127 | CA76xx accessory 24V two-way three-way solenoid valve |
| 71583311 | Kit CA76Na Valve (valve unit) |
| 71358129 | CA76NA accessory 24V two-way two-way solenoid valve |
| 71583305 | Kit CA76NA Valve (conditioning unit) |
| 71358132 | CA76NA accessory threaded connector for alkalization bottle |
| 71583285 | Kit CA76NA bottle connection thread S40 |
| 71583268 | Kit CA76NA bottle connection thread GL45 |
Filters and Accessory Kits
| Order Number | Specification Description |
|---|---|
| 71358114 | CA76xx accessory: filter inlet, PEF50, 50um |
| 71583288 | Kit CA76NA sample inlet filter |
| 71358130 | CA76NA accessory small parts kit |
| 71583292 | Kit CA76NA Set of small parts V2.0 |
| 71358762 | CA76NA accessory startup accessories |
Spare Parts Selection and Maintenance Recommendations
To ensure long-term reliable operation of the CA76NA, the following maintenance steps are recommended:
- Regularly inspect electrodes: Sodium electrodes and pH electrodes should be calibrated every 3-6 months and replaced according to water quality conditions.
- Maintain pump tubing and valve components: Wear parts of the alkalization pump, standard solution pump, and circulation pump should be inspected every 6-12 months, and solenoid valves should be replaced promptly if abnormal operation occurs.
- Manage standard solutions and reagents: Use original 5100 ppb sodium standard solution and CPY20 pH standard solution to ensure measurement accuracy.
- Replace filters: The sample inlet filter (PEF50, 50um) should be replaced according to clogging conditions, and inspection every 3 months is recommended.
- Version compatibility: V2.0 version kits (such as 71583343, 71583346, etc.) replace older models; confirm the instrument version when purchasing.
Note: Some spare parts have both old and new order numbers coexisting, such as 71358118 and 71583343, which have the same function but different versions. Before ordering, please verify the instrument serial number or consult the manufacturer.
Frequently Asked Questions (FAQ)
How to determine the required spare part model?
You can select according to the model and serial number on the instrument nameplate by referring to the order numbers in this table. V2.0 version kits are usually compatible with older models, but it is recommended to confirm with the supplier.
Must spare parts be purchased from the original manufacturer?
Original spare parts can ensure compatibility and measurement accuracy with the CA76NA. It is recommended to use original spare parts. Third-party spare parts may cause calibration failure or damage the instrument.
How to store standard solutions?
Sodium standard solution and pH standard solution should be stored sealed and protected from light to avoid contamination. CPY20 pH standard solution comes with a calibration certificate traceable to PTB and NIST; pay attention to the expiration date when using.
The above spare parts list and selection recommendations can help you efficiently maintain the CA76NA sodium analyzer, reduce downtime, and ensure reliable water quality monitoring data.