Envco – Environmental Equipment

The OTT DuoSens is a compact and economical model for entering into the loggers' world. It is available in two versions:
• OTT DuoSens Basic: Data logger without display and operating button. All settings done via configuration software.
• OTT DuoSens Standard: Data logger with Display and operating button ("jog-shuttle") for entering observer values and for offset settings.

The two versions of the OTT DuoSens can be extended step by step by the modular system.The OTT DuoSens versions offer various sensor connecting possibilities. All major data transmission systems or services are supported. A comprehensive alarm management completes the great performance of the OTT DuoSens.

Features
• Manifold calculating and scaling function
• 30 internal channels for recording of measured values and operands
• Comprehensive alarm management
• High-performance communication
• RS 232 interface
• Passive or active data transfer
• [ D-channel, SMS ]
• Read-out at site via IrDA infrared interface

DuoSens Compact Data Logger Basic Version - SDI-12 input to connect all standard OTT sensors and Hydrolab sondes / 2x pulse input or status input / RS 485 input (OTT Kalesto, OTT Parsivel) / Extra power output for connected sensors

Options
• Extension possibility "analogue inputs"
• 2x analogue signals for following signals
• 0...20mA / 4…20mA
• 0..50mV/ 0…5V/ 0…10V
• Potentiometer 5KOhm
• Extension possibility "RS 232 input" to connect sensors via RS232 OTT protocol

Overview for Ordering Version without Display
55.551.007.9.2.O Basic OTT DuoSens Compact Data Logger without display
55.551.007.9.2.A Basic + analogue OTT DuoSens Compact Data Logger without display
55.551.007.9.2.S Basic + RS232 OTT DuoSens Compact Data Logger without display
55.551.007.9.2.B Basic + analogue + RS232 OTT DuoSens Compact Data Logger

55.551.008.9.2.O Standard OTT DuoSens Compact Data Logger with display
55.551.008.9.2.A Standard + analogue DuoSens Compact Data Logger with display
55.551.008.9.2.S Standard + RS232 DuoSens Compact Data Logger with display
55.551.008.9.2.B Standard + analogue + RS232 DuoSens Compact Data Logger with display

Accessories
55.551.101.3.2 Upgrade "analogue inputs" 2x analogue signals
55.551.103.3.2 Upgrade "RS232 input"