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A faulty heater or thermocouple in a hot runner is usually tracked down with a multimeter, pin by pin – on a 24-pole connector that means dozens of measurements and plenty of room for error. The NOLDEN Mould Expert from our supplier Nolden Regelsysteme GmbH does it for you: connect the mould connector, press a button and see what is wired to each pin and in what condition on the display.
What the Mould Expert is for
The Mould Expert is a compact mould tester for the electrical components of hot runners. It checks the wiring of any 24- or 16-pole mould connector, identifies the individual elements (heater or thermocouple) and shows their operating status and characteristics. It also detects a short circuit of any pin to ground. The result is shown on a large colour touch display and can be downloaded as an Excel file via USB.
The device is battery-powered, so it can be used anywhere – at the press, in the toolshop or in the mould store, without a socket and without a control cabinet.
How it works
The Mould Expert is a fully automated multimeter. It measures every connector pin against every other pin and against ground. When it recognises a thermocouple or a heater, it draws an electrical symbol between the relevant pins – directly on the image of the selected connector. In the event of a short to ground, a line runs from the affected pin to the earth symbol.
All results can also be shown as a table: for a heater, in addition to the symbol, the resistance (Ω) and power (W, A, calculated for 230 V) are given. You export the table at the push of a button as a CSV file for Excel via the built-in USB connector – ideal for a mould inspection report or a warranty claim.
What sets the Mould Expert apart
Automatic check
- checks all components wired to the connector at once,
- distinguishes heater, thermocouple and short to ground,
- up to 24 measuring channels + ground.
No socket needed
- two 18650 batteries, about 6 hours of runtime,
- charging with a standard USB-C charger,
- usable far from the mains supply.
16 or 24 poles
- standard adapter for a 24-pole or 16-pole industrial connector,
- further adapters (e.g. 16-pole narrow series) on request.
Clear output
- graphical or tabular display on a 7" touch screen,
- export to Excel (CSV) via USB,
- ready-made data for a mould report.
Design
The measuring electronics and the high-contrast 7" touch display are housed in a rugged portable plastic case made of anthracite ABS. The device weighs just half a kilogram, so it can be carried by hand throughout the plant. One 24-pole or, alternatively, one 16-pole connection cable 1.5 m long is included in the delivery; further cables are available on request.
Technical parameters
| Charger power supply | 230 V ±10 %, 48 – 63 Hz |
|---|---|
| Battery | 2× Samsung 18650, 2× 3 000 mAh |
| Charging | USB-C mains charger |
| Battery runtime | approx. 6 h |
| Measuring connector | SUB-D 25-pole |
| Mould connector adapter | SUB-D → 24-pole or 16-pole industrial connector (socket), 1.5 m; others on request |
| Display | 7" colour TFT, projected capacitive touch |
| Temperature sensors | thermocouple Fe-CuNi (J) or Ni-CrNi (K) |
| Measuring voltage | 5 V |
| Accuracy | approx. 2.5 % of range |
| Mains cable | 2 m, black, EU plug |
| Case | ABS, anthracite |
| Dimensions (W × H × D) | 223 × 205 × 80 mm |
| Weight | 0.5 kg |
Data according to the manufacturer's data sheet, rev. 10/2024.
When it pays off
- Acceptance of a new or repaired mould – a single measurement confirms that all heaters and thermocouples are on the correct pins.
- Fault finding at the press – the controller reports a zone error; the Mould Expert shows in a minute whether it is a broken heater, a thermocouple or a short to ground.
- Regular maintenance and mould storage – the exported resistance table is a reference against which the condition after a year of operation can be compared.
- Warranty claims and service – the Excel report is unambiguous proof for the hot-runner supplier.
Would you like to try the Mould Expert in your own plant?
Let us know which connectors you use on your moulds. We will prepare an offer with the right adapter and also advise you on NOLDEN hot-runner controllers.
Source and images: Nolden Regelsysteme GmbH, Meckenheim – NOLDEN Mould Expert, data sheet (PDF, EN).
