XRX Series
Multi-channel Logger with support for up to 10 Sensors 

• XRX-420 is a hand portable, submersible, autonomous 24-bit data logger

• 1Hz (XRX-420) maximum sampling rate

• Comes equipped with sensors for Conductivity, Temperature & Depth, and supports a maximum of 7 additional sensors (up to 6 for the XRX with freshwater conductivity)

• May be configured so that further sensors can be added at any time

• Additional sensors include: pH/ORP, Dissolved Oxygen, Fluorescence, Turbidity, Transmittance, PAR and many others in any combination

• C, T, D and DO are measured to WOCE standard

• End cap is predrilled for six sensors on the face and six connectors on the rear. Any unpopulated port is supplied with a removable plug for field upgrade

• Connectors are Impulse Micro-Mini Wet Pluggable series

• External sensors may be clamped to the logger body or supported in a small cage.

• Memory is 8MB standard, expandable to 2GB with SD card. The additional memory uses two sensor positions.

• Battery is 1.3Ah internal with external battery options or power supplied over the cable from the deck

• All calibration constants are stored in the logger

• Re-calibration may be carried out by the end-user under suitable conditions

• The XRX-series logger uses fully integrated Windows^® software

• RS232 or RS485 serial communication allows real-time operation over long cable links using the RBR Windows^® support program

• Mooring clamps and cages are optional (see accessories page), and rugged transit cases are recommended

Why buy an RBR Logger?

• Conductivity  
• Temperature
• Depth
• pH/ORP
• Dissolved Oxygen
• Fluorescence
• Turbidity
• Transmittance
• PAR
• more