The Sato SK-L200THIIα temperature and humidity datalogger is discontinued. For new installations and replacement enquiries, choose from the Sato SK-L750 series data loggers.

The SK-L754 is the appropriate model for applications that require both temperature and relative humidity recording. The SK-L751 is an alternative for temperature-only work. Select the logger and probe together to match the measurement conditions.

SK-L200THIIα replacement guide

Existing equipment or requirementReplacement selectionOrdering reference
SK-L200THIIα temperature and humidity datalogger SK-L754 temperature and humidity datalogger, with a separately selected probe 8870-00 main unit
Temperature and humidity measured beside the logger SK-L754 with SK-L754-1 plug-in probe 8870-00 + 8880-01
Temperature and humidity measured away from the logger body SK-L754 with SK-L754-2 probe and 1.6 m cable 8870-00 + 8880-02
Temperature-only recording SK-L751 two-channel temperature datalogger with suitable temperature probes 8800-00 main unit; probes selected separately

Replacement compatibility: These are functional replacement selections. Do not assume that older probes, cables or software can be transferred to the new logger. Confirm the complete logger-and-probe arrangement before ordering.

Selecting the SK-L754 replacement probe

ProbePart numberConfigurationMeasurement range
SK-L754-1 8880-01 Plug-in probe for measuring conditions around the logger Temperature: -10 to 60°C
Humidity: 5 to 95% RH
SK-L754-2 8880-02 Remote probe with 1.6 m cable Temperature: -20 to 80°C
Humidity: 5 to 95% RH

The remote probe allows the sensing point to be positioned separately from the display. Its measuring range does not mean that the logger body can be exposed to the same conditions. Check the main unit’s operating limits and the installation environment.

For a narrow opening or an existing probe holder, provide the available clearance and mounting details. The replacement probe should be checked for physical fit as well as measurement range.

Original SK-LTHIIα probes: identification reference

The discontinued logger used the following probe types. These references help identify existing equipment and should not be treated as SK-L754 probe ordering codes. Availability of legacy probes must be checked separately.

Original probePart numberConstructionReplacement approach
SK-LTHIIα-1 8176-00 Plug-in type Consider SK-L754 with SK-L754-1 for measurement beside the logger.
SK-LTHIIα-2 8177-00 Remote sensor with cable Consider SK-L754 with SK-L754-2; check cable routing and mounting.
SK-LTHIIα-3 8178-00 Stick-type remote sensor with cable Review the installation dimensions before selecting a replacement probe.
Legacy Sato SK-LTHII alpha-1 plug-in probe, part number 8176-00

Original SK-LTHIIα-1 plug-in probe — identification reference.

Legacy Sato SK-LTHII alpha-2 remote probe, part number 8177-00

Original SK-LTHIIα-2 probe with sensor cable — identification reference.

Legacy Sato SK-LTHII alpha-3 stick-type remote probe, part number 8178-00

Original SK-LTHIIα-3 stick-type probe — check the sensing-point dimensions when selecting a replacement.

Existing logger records and software

Before retiring an older logger, download and archive the records you need. Keep the original files, exported results and information identifying the logger and probe used.

Sato provides a separate software download for the SK-L200 and SK-L200II families. USB driver selection depends on the instrument’s serial number. Use the software intended for your exact logger generation when retrieving historical measurements.

Legacy Sato SK-L200THII alpha data analysis software screenshot

Legacy SK-L200THIIα data analysis software. Shown for existing-user reference.

Legacy Sato SK-L200THII alpha real-time transmission software screenshot

Legacy real-time transmission software. This is not the SK-L750 series software interface.

Plan the change to the SK-L750 series

  • Measurement: Confirm whether both temperature and humidity are required.
  • Sensor position: Choose a plug-in probe or a remote probe with cable.
  • Working conditions: State normal and maximum temperature and humidity, including any condensation exposure.
  • Recording: Specify the logging interval and the duration of each monitoring run.
  • Documentation: Identify any calibration points or certificates required for the new logger and probe.

For routine records, establish the new logger’s settings and file-handling procedure before removing the existing unit from service.

Request a replacement quotation

Contact us for pricing and availability. Include the existing logger model, probe reference, quantity, measurement range and preferred sensor arrangement. A photograph of the old logger and probe will help identify the appropriate SK-L750 series replacement.



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