

Standard Shipment
3 - 5 working days
IMPORTS
6 - 8 Weeks
R12,836.07 incl. VAT
Ion-selective electrode for residual chlorine (Cl₂): 0.01 – 20 ppm, salt-membrane sensor, polyformaldehyde body, Φ12 × 120 mm, BNC(Q9) connector. It fits ion meters and titrators.
The residual chlorine ion selective electrode 972150 measures residual (free) chlorine as Cl₂. It covers 0.01 – 20 ppm with a salt-membrane sensing element in a polyformaldehyde body. In addition, it works from 0 – 60 °C, with the sample buffered to pH 4.
It connects through a BNC(Q9) plug to an ion meter or titrator. For field use, for example, pair it with the M310F multi-parameter analyser. Moreover, the supplier’s table lists it as a mono (indicator) electrode, so we confirm the reference arrangement with you when you order.
| Type | Mono ISE electrode |
|---|---|
| Ion measured | Cl₂ |
| Measuring range | (0.01–20)ppm(Cl₂) |
| Sensing membrane | Salt membrane |
| Body material | Polyformaldehyde |
| Dimensions | Φ12 × 120 mm |
| Working temperature | 0 – 60 °C |
| Connector | BNC(Q9) |
| Junction | — |
| Filling solution | — |
| Reference type | — |
| Working pH range | 4 |
| Interfering ions | — |
Specifically, the table lists the manufacturer’s ratings. Therefore, ask us if your application needs a value that is not shown.
It suits disinfection control in drinking water, swimming pools and cooling water. Therefore, calibrate it with a chlorine standard close to your working range for accurate results. In addition, buffer the sample to pH 4 as specified.
Hadron Group runs its own water laboratory in Pretoria. In addition, we supply analytical instruments to municipal, mining, food and industrial laboratories across South Africa and the SADC region. We stock the electrodes we use ourselves. Moreover, calibration standards, filling solutions and replacement membranes are available for every model. Finally, we help you match the electrode to your meter before you order.
How do I order the residual chlorine ion selective electrode? Quote the model number and your meter. In addition, tell us which standards and filling solutions you need, and we will quote the set.
Is the 972150 combined or half-cell? The manufacturer’s specification table lists the 972150 as a mono (indicator) ISE. Therefore we confirm the reference arrangement with you when you order.
Which meters is it compatible with? Ion meters and titrators with a BNC(Q9) input. For example, the M310F multi-parameter analyser (pH, EC, ISE, DO).
What range does it cover? It covers 0.01 – 20 ppm chlorine (Cl₂) at a working pH of 4.
Related: M310F multi-parameter analyser (pH, EC, ISE, DO) · all electrodes & probes.


3 - 5 working days
6 - 8 Weeks
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