Keithley 7708 40-channel Differential Multiplexer Module
$1,099.00
Technical Specs
Keithley 7708 - 40-channel Differential Multiplexer Module Specs
| CHANNELS 1–40: | Multiplex one of 40 2-pole or one of 20 4-pole signals into DMM |
| MAXIMUM SIGNAL LEVEL: | Channels (1–40):300V DC or rms, 1A switched, 60W, 125VA maximum. |
| CONTACT LIFE (typ): | >10 5 operations at max. signal level; >10 8 operations no load 1 . 1 Open thermocouple detector on during thermocouple measurements. Minimum signal level 10mV, 10µA. |
| CONTACT RESISTANCE: | <1Ω at end of contact life. |
| CONTACT POTENTIAL: | <±500nV typical per contact, 1µV max <±500nV typical per contact pair, 1µV max. |
| OFFSET CURRENT: | <100pA |
| CONNECTOR TYPE: | Screw terminal, #20 AWG wire size |
| ISOLATION BETWEEN ANY TWO TERMINALS: | >1010 Ω, <100pF |
| ISOLATION BETWEEN ANY TERMINAL AND EARTH: | >10 9 Ω, <200pF. |
| CROSS TALK (10 MHz, 50Ω Load): | <–40dB |
| INSERTION LOSS (50Ω Source, 50Ω Load): | <0.1dB below 1MHz. <3dB below 2MHz. |
| COMMON MODE VOLTAGE: | 300V between any terminal and chassis. |
| TEMPERATURE ACCURACY USINg INTERNAL CJC: | 1.0°C (see mainframe specification for details). |
| 40 CHANNELS: | 40 channels of 2-pole relay input. All channels configurable to 4-pole |
| RELAY TYPE: | Latching electromechanical |
| ACTUATION TIME: | <3ms. |
| FIRMWARE: | Specified for Model 2700 rev. A02 or B01, 2701 rev. A01, and 2750 rev. A01 or higher. |
| OPERATING ENVIRONMENT: | Specified for 0° to 50°C. Specified to 50% R.H. at 35°C. |
| STORAGE ENVIRONMENT: | –25°C to 65°C. |
| WEIGHT: | 0.52kg (1.16 lb) |
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