Allows datalogger to measure additional types of sensors
Overview
The CURS100 lets a Campbell Scientific datalogger measure a sensor or output device that outputs a current signal (for example, 4 to 20 mA). It converts the current signal to a voltage signal.
Read MoreBenefits and Features
- Easy to install or remove
- Connects directly into data logger input terminals
- Low power consumption
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Detailed Description
The CURS100 uses a 100 Ω resistor for the current shunt that allows currents up to 25 mA to be read on a ±2500 mV range (CR10X, CR510) and currents up to 50 mA to be read on a ±5000 mV range.
Schematic for CURS100
CURS100-to-Sensor Hookup
Specifications
| Used With | Sensors that output a current signal (4 to 20 mA) |
| Resistance | 100 Ω (shunt—bulk metal foil) |
| Tolerance | ±0.01% (@ 25°C) |
| Power Rating | 0.25 W |
| Maximum Temperature Coefficient | ±0.8 ppm/°C |
| Dimensions | 1.5 x 1.5 x 2.7 cm (0.6 x 0.6 x 1.0 in.) for body with prongs |
| Weight | 6 g (0.2 oz) |
Compatibility
Please note: The following shows notable compatibility information. It is not a comprehensive list of all compatible products.
Dataloggers
| Product | Compatible | Note |
|---|---|---|
| 21X (retired) | ||
| CR10 (retired) | ||
| CR1000 (retired) | ||
| CR10X (retired) | ||
| CR200X (retired) | ||
| CR206X (retired) | ||
| CR211X (retired) | ||
| CR216X (retired) | ||
| CR23X (retired) | ||
| CR295X (retired) | ||
| CR300 | ||
| CR3000 (retired) | ||
| CR310 | ||
| CR350 | ||
| CR500 (retired) | ||
| CR5000 (retired) | ||
| CR510 (retired) | ||
| CR6 | ||
| CR800 (retired) | ||
| CR850 (retired) | ||
| CR9000 (retired) | Compatible CR9000 modules are the CR9050 and the CR9052; the CR9051 is partially compatible. | |
| CR9000X (retired) | Compatible CR9000X modules are the CR9050 and the CR9052; the CR9051 is partially compatible. |
Additional Compatibility Information
Multiplexers
Our multiplexers are compatible with the CURS100.
Data Logger Considerations
Current CR10X Wiring Panels can accommodate both the CURS100 and the cover associated with the CR10XTCR (reference thermistor for thermocouple measurements). Specifically, the physical configuration of the thermocouple cover, the data logger input terminals, and the terminal input modules allow sufficient room for the cover to be used with the CURS100 attached. In contrast, older CR10TCR covers are not deep enough.
Note: The CR6 (serial number >7501), CR1000X, CR350, CR300, and CR310 data loggers can do current measurements without the CURS100.
Programming
The CURS100 output is measured with VoltDiff Instruction in CRBasic and with Instruction 2 (Differential Voltage) in Edlog. The CURS100 consumes one differential analog input; an adjacent analog ground channel accepts the analog "ground prong" of the CURS100. Not all data logger terminal strips have this sequence on all channels, so please check your data logger's wiring panel to confirm channel assignments, especially if you plan to use multiple terminal input modules.
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Frequently Asked Questions
Number of FAQs related to CURS100: 1
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Yes. A CURS100 is used to convert a current signal (for example, 4 to 20 mA) output by a sensor to a voltage that can be measured by the CR1000. The precision 100 ohm resistor used for the current shunt allows currents up to 50 mA to be read on a ±5000 mV range.
Casos de estudio
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