Product details
Industrial Standard pH Electrode — 130°C, 10 bar
The InstroDirect IDH-J201 Industrial Standard pH Electrode – 130°C, 10 bar is a robust general-purpose industrial pH electrode rated for continuous 130 °C operation and 10 bar pressure. The “J-series” design features a 12mm stainless body, triple-junction reference, and standard PG13.5 thread for drop-in replacement of most common industrial pH electrodes.
Technical Specifications
| Parameter | Specification |
|---|---|
| Measuring range | 0 – 14 pH |
| Temperature range | 0 – 100 °C |
| Max Pressure | 6 Bar |
| Bulb Type | Alkali resistant glass |
| Reference type | Long life reference |
| Outer Salt Bridge | Ceramic hole |
| Reference solution | Gel |
| Temperature Sensor | PT1000 (S8 interface without temperature sensor) |
| Interface Type | Cab, VP6, S8 |
| Electrode length | 120 mm |
| Mounting Thread | PG13.5 |
Typical Australian Applications
- General industrial process pH
- Chemical dosing control
- Cooling water
- WWTP influent/effluent
- Boiler water
Why Engineers Choose the IDH-J201
- 130 °C rating covers CIP/SIP and hot acid/caustic service
- Standard PG13.5 thread is a drop-in replacement for most plants
- Triple-junction reference resists typical industrial poisons
Installation & Calibration
Install in a dedicated pH pipe boss positioned where temperature and flow are stable.
Frequently Asked Questions
Is this a direct replacement for the common industry electrode?
The PG13.5 thread and 12mm body match most common process pH electrodes including those from Rosemount, E+H, Yokogawa, and HACH.
Australian Technical Support & On-Site Calibration
- Australian field engineers with 20+ years of industrial automation experience — phone and email support during AEST business hours.
- On-site pH calibration service across QLD, NSW, VIC — two-point buffer calibration (pH 4 / 7 / 10) with formal calibration certificate.
- Sensor health diagnostics — slope, offset, glass impedance, and reference junction checks.
- Replacement electrodes and buffer solutions available from InstroDirect’s broader water-analysis range.
Why InstroDirect vs Endress+Hauser or HACH in Australia
InstroDirect supplies the same grade of pH sensor that Australian councils, WWTP integrators, pharma plants, and food & beverage operators specify from Endress+Hauser (CPS11D, CPS31D, CPS41D, CPS71D) and HACH (pHD, Differential pH) — at a significantly lower landed cost and without vendor lock-in.
| Factor | InstroDirect | Endress+Hauser / HACH |
|---|---|---|
| Digital protocol | Open RS485 Modbus RTU — integrates with Allen-Bradley, Siemens, Schneider, Beckhoff, or any SCADA | Proprietary Memosens / HACH SC — locked to the vendor’s transmitter |
| Technical support | Australian field engineers with 20+ years automation experience | Offshore ticket queue or authorised distributor |
| On-site calibration | InstroDirect service across QLD, NSW, VIC with formal certificate | Third-party authorised service network, longer turnaround |
| Price | Parallel-import, no distributor margin stack — typically 30–50% below equivalent E+H / HACH pricing | Premium brand with distributor markup |
| Replacement parts | Standard glass-bulb and reference cartridges | Proprietary Memosens head, tied to the brand |
Moving away from Memosens or SC digital protocols frees you to mix and match sensors with any Modbus-capable transmitter or PLC. InstroDirect pH electrodes drop straight into an existing control system without a new proprietary transmitter.
Request a Trade Quote
Panel builders, integrators, council water departments, and pharma/process teams get volume trade pricing. Submit a quote request and we’ll respond within one business day.
