7708 40-channel Differential Multiplexer Module with Automatic CJC and Screw Terminals 40 differential channels for CaPabIl ITIEs general-purpose measurements CHANNELS 140: Multiplex one of 40 2-pole or one of 20 4-pole signals into DMM . Two- or four-wire measurements INPuTs MAXIMUM SIGNAL LEVEL: 300V, 1a capacity for voltage Channels (140): 300V DC or rms, 1A switched, 60W, 125VA channels 60W, 125Va maximum . 5 CONTACT LIFE (typ): >10 operations at max . signal level . o versize screw terminal 8 1 >10 operations no load . connection blocks are standard 1 Open thermocouple detector on during thermocouple measurements . Minimum signal level 10mV, 10A . for easier connection CONTACT RESISTANCE: <1 aW t end of contact life . r elay closures stored in CONTACT POTENTIAL: onboard memory <500nV typical per contact, 1V max . The Model 7708 plug-in module offers 40 <500nV typical per contact pair, 1V max . channels of 2-pole or 20 channels of 4-pole OFFSET CURRENT: <100pA . multiplexer switching that can be configured CONNECTOR TyPE: Screw terminal, 20 AWG wire size . ordering Information as two independent banks of multiplexers . The 10 ISOLATION BETWEEN ANy TWO TERMINALS: >10 W , built-in CJC sensors automatically linearize <100pF . 7708 40-channel Differential 9 thermocouples, making the Model 7708 ideal for ISOLATION BETWEEN ANy TERMINAL AND EARTH: >10 W , Multiplexer Module <200pF . RTD, thermistor, and thermocouple temperature with automatic CJC CROSS TALK (10MHz, 50W Load): <40dB . applications . It is also well suited for mixed- and screw Terminals INSERTION LOSS (50 W Source, 50 W Load): <0 . 1dB below signal measurement applications that require 1MHz . <3dB below 2MHz . multi-point monitoring, such as environmental COMMON MODE VOLTAGE: 300V between any terminal and stress screening . chassis . TEMPERATURE ACCURACy USING INTERNAL Cj C: 1 . 0C (see mainframe specification for details) . HI Card Input GENEral LO 40 CHANNELS: 40 channels of 2-pole relay input . All channels configurable to 4-pole . HI Card Sense RELAy TyPE: Latching electromechanical . LO ACTUATION TIME: <3ms . FIRMWARE: Specified for Model 2700 rev . B02, 2701 rev . A01, Cold Junction and 2750 rev . A01 or higher . HI Ref 4 Channel 1 LO ENVIro NMENTal Channel 43 (see Note) OPERATING ENVIRONMENT: Specified for 0C to 50C . (Channels 219) Backplane Specified to 80% R . H . at 35C . isolation STORAGE ENVIRONMENT: 25C to 65C . HI HI WEIGHT: 0 . 52kg (1 . 16 lb) . Channel 20 Input LO LO Channel 41 2-Pole (Open) To Model 2700, Channel 42 4-Pole (Closed) 2701, or 2750 (see Note) aCCEssor IEs aVaIl abl E (see Note) Backplane Backplane Cold Junction 7401 Type K Thermocouple Wire, 30 . 5m (100 ft) . isolation Ref 5 HI HI Channel 21 Sense sEr VICEs aVaIl abl E LO LO 7708-3Y-EW 1-year factory warranty extended to 3 years from date of shipment (Channels 2239) NOTE: Channels 4143 in this schematic refer to the HI designations used for control and not actual Channel 40 available channels. LO For more information, refer to the ROUTe:MULTiple command section in the Model 2700, 2701, or 2750 Users Manual. Channels 42 and 43 can be individually controlled using ROUTe:MULTiple if the module is not to be connected to the internal DMM. 1.888.KEITHLEY (U.S. only) www.keithley.com A Greater Measure of Confidence Use with Integra Series mainframes: 2700, 2701, 2750 DIGITAL MULTIMETERS & SYSTEMS Use with Integra Series mainframes: 2700, 2701, 2750X-ON Electronics Largest Supplier of Electrical and Electronic Components Click to view similar products for Test Accessories - Other category: Click to view products by Keithley manufacturer: Other Similar products are found below : AO1026 AO1035 AO1051 AO1059 149118 C20 RS40 RS41 AO1030 AO1032 AO1036 AO1058 4742 KTS288540 00415 00163 046450 GPR10 ADPTR-HDV VS-AVT-C02-L03 VS-AVT-CABLE-04 VS-AVT-CABLE-16 VS-AVT-CABLE-20 VS-AVT-CABLE-30 VS-CKP14-6 VS-CKP4-000 VS-AVT2-C02L03 VS-AVT2-C08L10 CKSB1-00 CKSB6-2 CKSB10-8 GP73800080 MPT-VF 98-CAL020 LSP08-RTS 1-1437358-1 4408 POMONA AX-904 DME D110 T1 LMLH 50 1508-POM 00836 85392-12 207P18.2222.F CR-31 7708 ST18/SMAM/SMAM/72 CT2299 C700 34192A