The Model 7166 consists of ten 2-pole, mercurywetted, reed relays and comes configured as a 1×10 multiplex scanner. That is, any or all of the ten (2-pole) input channels can be routed to the output. The relay card can be configured for use as a ten-channel switching card by removing jumpers installed on the card. In this configuration, up to ten independent inputs can be individually controlled and switched to a corresponding isolated output. The use of mercury-wetted relays provides for reliable switch contacts under a wide variety of operating conditions. Mercury-wetted relays also help assure bounce-free actuation and more consistent contact resistance over the life of the relay. CHANNELS PER CARD: 10. CONTACT CONFIGURATION: 2-pole, Form A; 1 of 10 selectable or 10 isolated channels. CONNECTOR TYPE: Quick disconnect screw terminals, #14 AWG maximum wire size. RELAY DRIVE CURRENT: 75mA per relay typical. MAXIMUM SIGNAL LEVEL: 300V peak. 0.75A DC or rms switched. 2A DC or rms carry. 30VA. CONTACT RESISTANCE: <150 mohms to rated life. CONTACT POTENTIAL: <75µV per contact pair with copper leads typical. ACTUATION TIME: <3ms, exclusive of mainframe. CHANNEL ISOLATION: 10^10 ohms, <10pF. INPUT ISOLATION: Differential: >10^9 ohms, <50pF. Common Mode: >10^9 ohms, <150pF. COMMON MODE VOLTAGE: 300V peak. OPERATING ENVIRONMENT: 0° to 50°C, up to 35°C at 70% R.H. STORAGE ENVIRONMENT: –25° to 65°C. Many other Keithley plug-ins available |
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