RETIRED ›
This product is no longer available and has been replaced by: CR300,CR310.
CR295X Datalogger for GOES Satellite Communication
Services Available
Repair Yes
Calibration No
Free Support Yes

Overview

The CR295X is a small, low-cost data logger that reads input from one or two sensors, then transmits the data using the GOES satellite transmitter. Multiple CR295Xs can be configured as a network, or units can be deployed individually. CRBasic, its full programming language, supports simple or complex programming and many onboard data reduction processes. It supports stand-alone operation in harsh, remote environments.

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Benefits and Features

  • Small, low-cost data logger designed for use with GOES satellite transmitters
  • When combined with the TX320 GOES satellite transmitter, the CR295X can be used in extremely remote locations.
  • Ideal applications include wind energy, rural water, water level/flow, aquaculture, water quality
  • Gas Discharge Tube (GDT) protected inputs
  • Optimal for measuring one or two simple sensors
  • Makes SDI-12, single-ended analog, pulse, switch closure, and bridge measurements
  • Battery-backed clock that ensures accurate time is maintained while data logger is disconnected from battery power
  • Program with LoggerNet, PC400, or Short Cut to fit your setup
  • PakBus, Modbus, and SDI-12 protocols supported

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Detailed Description

The CR295X includes an additional RS-232 serial port that allows communications with the TX320, TX312, or SAT HDR GOES satellite transmitter. It has several input channels for measuring a variety of sensors. Gas discharge tubes provide rugged electrostatic discharge protection for the inputs.

The CR295X does not make differential measurements and is not compatible with SDM devices, multiplexers, or thermocouples. (Refer to the Compatibility information on the web page for compatible sensors, peripherals, and software.) Recalibration services are not offered for the CR295X dataloggers.

Specifications

-NOTE- Note: Additional specifications are listed in the CR200X-Series Specifications Sheet.
Maximum Scan Rate 1 Hz
Analog Channels
  • The single-ended analog inputs can also be used as control ports.
  • 5 single-ended (no differential) individually configured
Pulse Count Channels 2
Switched Excitation Channels 2 voltage
Digital Ports
  • Certain digital ports can be used to count switch closures.
  • 2 I/O
Communication Ports 2 RS-232
Switched Battery Port 1
Input Voltage Range 0 to 2500 mV
Analog Voltage Accuracy ±(0.25% of reading + (1.2 mV)x(offset)) at -40° to +50°C
Analog Voltage Resolution 0.6 mV
A/D Bits 12
Operating Temperature -40° to +50°C
Power Requirements 7 to 16 Vdc
Typical Current Drain
  • ~0.2 mA (quiescent)
  • ~3 mA (active)
Clock Accuracy
  • 8.2 min./month (@ -40° to +50°C)
  • 1 min./month (@ +25°C)
Protocols Supported PakBus (leaf node only), SDI-12
Warranty 3 years
Dimensions 14.0 x 7.6 x 4.8 cm (5.5 x 3.0 x 1.9 in.)
Weight 242 g (8.5 oz)

Memory

Final Storage 512 kB of flash memory for approximately 125,000 data points
Operating System 106 kB of flash memory
Intermediate Storage 8 kB of SRAM for communication buffers, calculations, variables, etc.

Compatibility

Note: The following shows notable compatibility information. It is not a comprehensive list of all compatible or incompatible products.

Sensors

Product Compatible Note
014A-L
03002-L
03101-L
034B-L
05103-45-L (retired)
05103-L
05106-L (retired)
05305-L
083E-L (retired)
092-L (retired)
107
108
109
109SS-L
110PV-L (retired)
237-L (retired)
255-100
27106T-L
43347-L
52202-L
A100LK-L
CMP11-L (retired)
CMP21-L
CMP6-L (retired)
CS100
CS106
CS11-L
CS215-L (retired)
CS300-L (retired)
CS410-L (retired)
CS451
CS456
CS460-L (retired)
CS470 (retired)
CS471 (retired)
CS475A-L
CS475-L (retired)
CS511-L
CS526-L (retired)
CS547A-L
CS616
CS625 (retired)
CS650
CS655
CS700-L
CSAT3 (retired)
CSIM11-L
CSIM11-ORP-L
ENVIROSCAN (retired)
HC2S3-L (retired)
HMP155A-L
HMP60-L
ICEFREE3A (retired)
ICEFREE3V (retired)
LI190SB-L (retired)
LI200X-L (retired)
LWS
OBS-3+ (retired)
OBS300 (retired)
OBS500 (retired)
OBS501 (retired)
P2546A-L
SEN12512 (retired)
SR50A-L (retired)
TB4-L
TB4MM-L
TE525-L
TE525MM-L
TE525WS-L
WINDSONIC1-L
WINDSONIC4-L
WXT520 (retired)

Software

Product Compatible Note
LoggerNet Version 2.1 or higher
PC200W (retired)
PC400 Version 1.0 or higher
PCONNECT (retired) Version 3.0 or higher
PCONNECTCE (retired) Version 2.0 or higher
Short Cut
VISUALWEATHER Version 2.0 or higher

Additional Compatibility Information

Communications

The CR295X is compatible with our TX320, TX312 (retired), and SAT HDR GOES (retired) satellite transmitters.

The CR295X can communicate with a PC via direct connect, NL201 Network Link Interface, NL240 Wi-Fi Network Link, MD485 multidrop modem, and digital cellular modems. Data can be viewed on an iOS device, an Android device, CD295 DataView II Display, or a user-supplied PDA. To use an iOS or Android device, go to the Apple Store or Google Play and download our LoggerLink Mobile Apps free of charge. User-supplied PDAs require either PConnect or PConnectCE software.

Measurement & Control Peripherals

Campbell Scientific’s SDM devices and multiplexers are not supported.

Power Supplies

Typical power supply is a BP12 12 Ahr or BP24 24 Ahr battery, CH100 or CH200 regulator, and an SP10 or SP20 solar panel. The CR295X includes a cable for connecting it with the satellite transmitter and power supply.

Enclosures

An ENC16/18 enclosure can house the CR295X logger, satellite transmitter, and power supply; smaller enclosures cannot house the power supply required for GOES communications. Hardware is included with the data logger for mounting to an enclosure backplate.

Sensors

The CR295X can measure a variety of sensors including SDI-12 sensors and 4 to 20 mA sensors. It cannot make differential measurements and is not compatible with the freezing-rain/ice, fuel moisture/temperature, geographic position, present weather, soil heat flux, soil matric water potential, and strain sensors listed on our price lists.

Downloads

CR200X Series OS v.04 (1.29 MB) 22-09-2015

Execution of this download installs the Operating System and Compiler on your computer for the following dataloggers:CR200X, CR206X, CR211X, CR216X and CR295X.  It also updates the support files for the CRBasic Editor.  

Note: Newer CR206X dataloggers (serial # ≥ 19122) and newer CR211X dataloggers (serial # ≥ 19143) have 250 mW radios that must use OS 3 or higher for their datalogger operating system.

View Update History

Frequently Asked Questions

Number of FAQs related to CR295X: 37

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  1. Not directly. If the CS15-L is connected to a CR200(X) datalogger, the data logger can take the ac measurement and control a solid-state relay based on some threshold within the data logger program. The solid-state relay can then control other relays, solenoids, or motor starters. (Use of a solid-state relay is preferred because the data logger can trigger it with a small 5 Vdc mA signal.) For more information, see the “Measurement and Control Peripherals” section of the operator’s manual.

  2. Yes. The simplest method is to use conditional program statements that execute most of the code based on time. For example, the data could be scheduled to log at 6 a.m. and finish at 8 p.m. using CRBasic instructions such as IfTime(). Another option is to use an IfThen/EndIf construction that does a logical test of light-level measurements based on a light sensor. An additional option is to use calculated sunrise and sunset times along with a combination of RealTime() and Case instructions.

    For more information, see the “Decisions, Decisions, Decisions…” article. 

  3. Current data loggers compatible with the BMP5 Direct SDK are the CR200X-series, CR1000, CR3000, CR800, and CR850.

    Retired compatible data loggers include the CR10X-PB, CR23X-PB, and CR510-PB. These data loggers must have the optional PakBus operating system installed, which is available on the Downloads page of our website.

  4. Technically, the SRM-5A is compatible with the CR200X-series dataloggers, but it is more complicated to use it with these data loggers. To use a SRM-5A with a CR200X-series datalogger, the SRM-5A must be in the DTE position on the station modem. In addition, user-supplied adapters and gender changers are needed to complete the connections between the SRM-5A and the RS-232 port of the data logger. Contact Campbell Scientific for more information.

  5. The maximum cable length depends on the interface being used.

    • RS-232 connections will reach 15 m (50 ft).
    • RS-485 connections go beyond 610 m (2,000 ft).
    • IP connections can be routed worldwide. 
  6. If small amounts of data are transferred per transmission, it will not be a problem. Larger amounts of data can overrun buffers in the modem, causing lost data. In that situation, lower the baud rate on the data logger to avoid the issue.

  7. The available COM ports listed in the COM Port drop-down menu are supplied to PC400 by the Windows Operating  System (OS). If there are no COM ports shown for selection, it most likely means that there are no COM ports registered with the Windows OS. This can be confirmed using the Windows Device Manager (Control Panel | Device Manager | Ports).

    Most modern laptops are not equipped with native RS-232 COM ports. In this situation, a USB-to-RS-232 adapter cable must be used to connect to the data logger. Even when the drivers for this device have been properly installed, the derived COM port will not be shown for selection until the cable is attached to the laptop.

  8. The internal battery is not rechargeable. In the case of low internal battery voltage, data will only be maintained as long as a power supply is connected. Collect all data from the data logger before disconnecting the power.

    The battery, a 15598, is not user replaceable. The data logger should be returned to Campbell Scientific to have the battery replaced. To request a return material authorization (RMA) number, follow the steps listed on our Repair and Calibration page.

  9. No, because it would not work. The SC32B is used to do the following:

    • Convert data logger logic levels (on the CS I/O port) to RS-232 levels 
    • Optically isolate the data logger from the RS-232 peripheral 
  10. The CR200X-series and the retired CR200-series dataloggers are NOT compatible with SDMs or multiplexers. If more channels are needed or may be needed in the future, consider purchasing a CR800, CR850, or CR1000 instead.


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