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Equipment overview 6 99 Equipment overview PicoLog takes measurements using one or more converters. These devices connect to the serial or parallel port on your computer and convert electrical signals into measurements. PicoLog can work with up to 20 converters at the same time in real time recording mode but with only one in fast block mode. 6.1 24 ADC-10/12/40/42 These units plug into the parallel port and provide a single analogue input. The following table shows their differences: Converter ADC-10 ADC-12 ADC-40 ADC-42 Resolution 8 bits 12 bits 8 bits 12 bits Range 0 to 5 V 0 to 5 V -5 to +5 V -5 to +5 V Both real-time and block modes are supported. You can connect these units to signal conditioners using a CM001 signal conditioner adapter. You can connect up to three units to the same computer. 6.2 ADC-11/22 The ADC-11 and ADC-22 are 10-bit converters with an input range of 0 to 2.5 V. The ADC-11 has 11 input channels and the ADC-22 has 22 channels. There is no provision for connection to signal conditioners as these devices are unipolar. It would be possible to use these devices with signal conditioners that do not produce negative voltages. Both realtime and block modes are supported. You can connect up to three units to the same computer. 6.3 ADC-16 The ADC-16 is high-resolution converter that offers eight analogue input channels. You can use the CM002 signal conditioner adapter to connect up to four signal conditioner modules. The conversion time for the ADC-16 is over a second, so block mode is not supported. You can connect up to nine ADC-16 units to the same computer. 6.4 ADC-20/ADC-24 The ADC-20 and ADC-24 are high-resolution USB data loggers with multiple input ranges up to +/- 2.5 V. The ADC-20 has 8 analog input channels and the ADC-24 has 16 channels. The analog channels can be joined in pairs to operate as differential inputs. The ADC-24 also has four digital input/output channels. Both real-time and streaming 24 modes are supported. You can connect up to four units to the same computer. © Copyright 1994-2008 Pico Technology. All rights reserved. plw.en