The Merlin subsea data logger is suitable for operation down to depths of 4000 metres, and can monitor up to 10 analogue, a K type Thermocouple and 1 Modbus serial input plus integral 3-axis acceleration and light sensor. The logger has an internal memory capacity of 1,500,000 readings, which can be expanded with an SD memory card to over 100 million readings. The analogue input channels are user configurable to measure, voltage, or frequency. The ...