When a data logger or multimeter model is withdrawn, the exact part number often leads nowhere — the series may be discontinued or the type code revised. The faster route is cross-referencing: capture the attributes that define the instrument and match them to a current alternative. This guide covers what to read and how to turn it into a replacement specification.
What defines interchangeability
A test instrument is defined by what it measures and how it reports. Capture these before looking for a substitute:
| Parameter | Why it matters |
|---|---|
| Measured variable | Temperature, pressure, humidity, airflow or light — each needs its own sensor |
| Channels | How many inputs the logger handles |
| Accuracy / resolution | Sets the usable data quality |
| Memory & interval | Logging duration and sampling rate |
| Interface | USB, Bluetooth or wireless download |
| Certification | Calibration certificate required or not |
A photo of the label plus the measured variable is usually enough for a specialist to propose a match.
Notes by instrument type
- Data loggers (MadgeTech HiTemp140 high-temperature): note the sensor range and the download method.
- Industrial multimeters (Fluke 87V): CAT rating, range and functions decide the match.
- Insulation testers (Megger MIT): test voltage and resistance range.
- Multifunction / manometer / anemometer (Kimo AMI 310, MP 110/115, LV 110/130): the measured quantities and accuracy.
- Signal converters & safety relays (Motrona FX, SRC30/EL): input type and SIL rating.
- Light / spectro (GOSSEN MAVOSPEC, MAVOMASTER): CCT/CRI or lux range.
How a cross-reference is built
- Record the original model and capture a label photo.
- Note the measured variable and number of channels.
- Match accuracy, memory and sampling interval.
- Confirm the interface and whether a certificate is needed.
- Bench-check the reading against a reference before rollout.
Why use a sourcing specialist
A given function is offered by several manufacturers with equivalent specs — MadgeTech, Fluke, Megger and Kimo cover common loggers and meters. A sourcing partner keeps multiple brands on file, checks the candidate against your label, supplies procurement documentation, and can often ship a stocked equivalent within a day or two instead of waiting on a long factory lead time.
Get a quote
If you have an instrument number — current or obsolete — send it with a photo. We return a cross-reference suggestion, price and lead time, typically within one business day.
- Browse the MadgeTech logger range we carry.
- Or go straight to the inquiry form.