Laderegler / PS100
This product is no longer available. Some accessories, replacement parts, or services may still be available.
PS100 12 V Power Supply with Charging Regulator and 7 Ah Rechargeable Battery
Services Available
Repair Yes
Calibration Yes
Free Support Yes


Die PS100 enthält eine wiederaufladbare 12V 7Ah Batterie für den CR500, CR510, CR800, CR10, CR10X und CR1000 Datenlogger und Peripheriegeräte. Die Batterie kann von einer Stromquelle wie einem Ladegerät oder einer externen Solarzelle geladen werden. Es kann auch eine weitere wiederaufladbare Batterie angeschlossen werden. 

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Technische Beschreibung

The PS100 can also be used as a separate auxiliary 12-V power supply to power remotely located sensors or peripherals, such as a multiplexer located at a distance from the datalogger enclosure. However, to avoid errors in analog measurements and ground loops, the power supplies must share a common ground.


input Voltage (CHG Terminals) 15 to 28 Vdc or 18 Vac RMS
Charging Output Voltage Temperature compensated float charge (for 12 V battery)
Charging Current Limit 1.2 A (typical)
Power Out (+12 Terminals) Voltage Unregulated 12 V (from battery)
Nominal Rating 7 Ah
Dimensions 10.5 x 19.3 x 7.1 cm (4.1 x 7.6 x 2.8 in.) including mounts and connectors
Weight 3.1 kg (6.9 lb)
Battery Weight 2.7 kg (5.9 lb)

Quiescent Current

Charge Source Present 3 to 5 mA
No Charge Source Present 0 mA

Kompatibel mit

Please note: The following shows notable compatibility information. It is not a comprehensive list of all compatible products.


Product Compatible Note
CR1000 (retired)
CR200X (retired)
CR216X (retired)
CR3000 Typically, a CR23X, CR3000, or CR5000 datalogger uses its integrated rechargeable base instead of the PS100. However, the PS100 can be used if the data logger has a low-profile base or if the battery base has been disconnected.
CR5000 (retired) Typically, a CR23X, CR3000, or CR5000 datalogger uses its integrated rechargeable base instead of the PS100. However, the PS100 can be used if the data logger has a low-profile base or if the battery base has been disconnected.
CR9000X (retired)


Product Compatible Note
SP20R-L (retired)

Halterungen und Masten

Product Compatible Note


Product Compatible Note

Additional Compatibility Information

Enclosure Considerations

A desiccated, non-condensing environment is required. The PS100 includes built-in keyhole flanges for mounting to the backplate of a Campbell Scientific enclosure.


The PS100 is compatible with the A100 null-modem adapter and the A105 adapter for additional 12 V output terminals. The A100 Null Modem Adapter connects and powers two Campbell Scientific peripherals via two CS I/O 9-pin connectors configured as a null modem. This is useful in linking different communications technologies, such as telephone to radio, at sites that do not have a data logger. The A105 adapter may be used to provide additional 12 V and ground terminals where the power supply is used to power several devices.

Charging Source

The PS100 charges with a 24 V input. However, when the battery is discharged or the system is pulling high current (about 700 mA), the regulator overheats. This, in turn, limits the charging time because the regulator is heating up until it gets so hot that it shuts down. At this point, the regulator stops charging the battery until the regulator cools down and starts charging again. This cycle repeats until the battery is charged enough so that the regulator no longer overheats. For a system with a constant current drain of 0.7 A or higher, the PS100 is not able to keep the battery charged unless the input voltage is between 16 and 20 V. If the input voltage is between 16 and 20 V, the regulator outputs continuously up to a 1.2 A load.

Videos & Tutorials

FAQs für

Number of FAQs related to PS100: 28

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  1. Look for a stamp on top of the battery. The stamp should be in a date format of YYMMDDXX where:

    • YY is the year.
    • MM is the month.
    • DD is the day.
    • XX is the manufacturing plant.

    This indicates the age of the battery.

    To evaluate the condition of the battery:

    1. Charge the battery.
    2. Let the battery sit for a couple of hours.
    3. Measure the open circuit voltage to get an estimated indication of condition.
  2. Campbell Scientific recommends letting an idle PS100 charge continuously in an ac power setting. If solar panel power is being used, the daily cycle is expected.

  3. Yes. The 7 Ah battery can be purchased locally to save on shipping costs. Purchase pn 17057PS100 Power Supply with No Battery.

  4. Yes. A deep-cycle RV or marine battery can be used. To make it work correctly, however, it may be necessary to purchase the 6186External Battery Cable for Rechargeable Power Supplies.

  5.  To connect the PS100 and the deep-cycle marine or RV battery, use pn 6186, External Battery Cable for Rechargeable Power Supplies.

  6. Yes. The PS100 can be continuously connected to the 29796 or 9591 wall charger on ac power.

  7. Yes. However, Campbell Scientific recommends connecting a PS100 battery to a wall charger overnight before using it in the field.

  8. The PS100 is designed to follow the Yuasa recommended temperature curve for float-charging batteries. This gives a nominal charge voltage of approximately  13.7 V at 25°C. The design should follow the curve to within ±0.2°C or better.

  9. Although the SP20 delivers approximately 1.17 A in full sun, the limit of the PS100 is approximately 1.2 A. Therefore, Campbell Scientific does not recommend connecting a PS100 to a solar panel larger than 20 W. In comparison, the PS200 and CH200 can be connected to solar panels as large as 70 to 90 W.


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