Data Read-Out Units

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Data Read-Out Units

Read-out units and communication cables for downloading Eijkelkamp Diver water level loggers in the field — the Diver Read-out Unit, Diver-Mate Reading Unit, Prime PRO300 and the HDC, MDC and Smart communication cables that connect them.

Prime PRO300

Prime PRO300

Diver Read-out Unit

Diver Read-out Unit

Diver Smart Communication Cable

Diver Smart Communication Cable

A blue and black Diver-Mate Reading Unit with indicator lights, buttons, and a connector port at the bottom is shown on a plain background.

Diver-Mate Reading Unit

MDC cable

MDC cable

HDC cable

HDC cable

Read-out units

  • Diver Read-out Unit — the dedicated handheld for straightforward field downloads. Simple, purpose-built and independent of any other device.
  • Diver-Mate Reading Unit — connects a Diver to a mobile device, for crews who prefer working from a phone or tablet in the field.
  • Prime PRO300 — covers read-out alongside its wider data handling and telemetry role.

Communication cables

Why read data at the well

The obvious reason to download on site is convenience. The better reason is verification. A logger that has failed, run out of battery, drifted, or been fouled will look exactly like a working one from the outside — you only discover the problem when you open the file. If that happens at the well, you can clean the sensor, replace the unit or reset the deployment before you leave. If it happens back at the office a fortnight later, you have lost the interval and you are making another journey.

The practical habit is to download, glance at the record for gaps and implausible values, take a manual dip with a water level meter and check it agrees with the logger, then redeploy. It takes a few minutes per well and it is the single most effective thing a field crew can do to protect a dataset.

Minimise handling

Where the cable arrangement allows reading without fully retrieving the logger, do that. Every retrieval and redeployment is an opportunity for the sensor to end up at a slightly different depth, and since the deployment depth is the reference for converting pressure to water level, a change there propagates through everything recorded afterwards. On long-running installations, the less the logger is physically moved, the cleaner the record.

Cables are the thing that ruins a site visit

A read-out unit is a one-per-crew item. Cables are not — they have to match the loggers you are actually running, and arriving at a remote well with the wrong one wastes the entire journey. If you operate a mixed network with loggers bought at different times, it is worth confirming which cables cover which units and carrying the full set. Tell us what you are running and we will check it against the range.

Read-out or telemetry

Manual download makes sense where you are visiting the wells anyway for sampling or dipping — the marginal cost is minutes. Telemetry makes sense where visits are expensive or slow, where the site is remote or access is restricted, or where you need to see the data promptly rather than at the next scheduled visit. Plenty of networks run both: telemetry on the wells that matter most or are hardest to reach, manual download on the rest.

Related equipment

For the loggers themselves see Water Level Loggers, and for remote data retrieval see Data Communication. For the wells see Monitoring Wells.

Read-out unit FAQs

Downloading data from a Diver logger in the field without removing it from the well permanently or waiting until you are back at the office. You connect to the logger, transfer the record, check that it looks sensible, and redeploy - all at the well head. Reading data on site is what lets you spot a failed or drifting logger while you are still standing next to it.
The Diver Read-out Unit is the dedicated handheld for straightforward field downloads. The Diver-Mate Reading Unit connects the logger to a mobile device, which suits crews who would rather work from a phone or tablet. The Prime PRO300 covers read-out alongside its wider data handling role. All three do the core job; the choice is about how your field crews prefer to work.
That depends on the logger and the connection. HDC and MDC cables serve different Diver configurations, and the Diver Smart Communication Cable is used for smart-enabled units. Tell us which Divers you are running and we will confirm the right cable - it is a small item that stops a whole visit if it is the wrong one.
With a suitable cable arrangement, yes - which is the preferred approach, because every retrieval and redeployment risks changing the sensor depth and therefore the reference for the whole record. Minimising physical handling is good practice on any long-running installation.
Download on site if you visit the wells anyway for sampling or dipping. Use telemetry where visits are expensive, the site is remote or hard to access, or you need to see the data promptly rather than at the next visit. Many networks use both - telemetry on the critical wells, manual download on the rest.
That the record is continuous with no gaps, that the values are plausible, that the battery has capacity for the next deployment period, and that a manual dip agrees with the logger reading. Catching a problem at the well takes minutes; discovering it a quarter later means a lost quarter of data.
No. One unit serves an entire network - it is field equipment carried by the crew, not part of each installation. Cables, however, need to match the loggers you actually run.

Ordering and support

All equipment here is genuine Eijkelkamp, supplied direct from our UK operation with UK-based service and support. Tell us which Diver models you are running and we will confirm the right read-out unit and cables. Request a quote or get in touch.

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