Check the listing for details. (4) Keithley Series 500 Data Acquisition Modules AOM1 AIM7 AMM1 DIO1. Condition: Used. Listed at 89.95 USD. This sale is for (4) Keithley Series 500 Data Acquisition Modules AOM1 AIM7 AMM1 DIO1. Unable to test. The Series 500 data acquisition instruments are an extension of Keithley's board level data acquisition products. These instrument systems measure accurately such physical phenomena as voltage, temperature and strain. They can also control voltages, currents, and digital circuitry. Key to their measurement performance is the fact that all measurements are made in the instrumentation enclosure, well removed from the PC's noisy environment. Analog Input: AMM1 – 16 channel, 12 bit A/D, 62.5 kHz AIM7 – 16 channel thermocouple input Analog Output: AOM1 – 5 channels, 12 bit Digital I/O: DIO1 – 32 input/output channels, TTL NEW OLD STOCK SURPLUS!This item is NOT FOR EXPORT. U.S. SALES ONLY. Diversion is subject to civil and criminal Penalties. 19619/old/2/10*10*2/bc