{"product_id":"keithley-3720-19173-1","title":"Keithley 3720 Dual 1x30 Multiplexer Card, 60 Channel, 300V, 2A Max, 1A Switched, For 3700\/A Series","description":"\u003ch4\u003eKeithley 3720 Dual 1 x 30 Multiplexer Card – 60-Channel General Purpose Switching Module for Series 3700A\u003c\/h4\u003e\n\n\u003cp\u003e\u003cstrong\u003eBuy the Keithley 3720 Multiplexer Card from TestEquity – Your Authorized Tektronix\/Keithley Distributor\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eKeithley 3720 Dual 1 x 30 Multiplexer Card\u003c\/strong\u003e is a high-performance plug-in module designed for the Series 3700A System Switch\/Multimeter mainframe. Offering \u003cstrong\u003e60 differential channels\u003c\/strong\u003e (or 30 four-pole channels), this versatile multiplexer card is engineered for general-purpose switching applications, including precision temperature measurements with thermocouple support.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eKey Features \u0026amp; Benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e60 Two-Pole Channels\u003c\/strong\u003e or \u003cstrong\u003e30 Four-Pole Channels\u003c\/strong\u003e for flexible general-purpose switching configurations\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomatic Cold Junction Compensation (CJC)\u003c\/strong\u003e for accurate thermocouple temperature measurements when paired with the 3720-ST accessory\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAnalog Backplane Connection Relays\u003c\/strong\u003e enable seamless bank-to-bank and card-to-card interconnections\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e300V, 1A Switched \/ 2A Carry Signal Capacity\u003c\/strong\u003e (60W, 125VA) for demanding test applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLatching Electromechanical Relays\u003c\/strong\u003e with relay closures stored in onboard memory for reliable operation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e30 MHz Bandwidth\u003c\/strong\u003e (Dual 1 x 30 configuration) for high-frequency signal switching\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eScrew Terminal Connections\u003c\/strong\u003e available with the removable 3720-ST accessory\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo 78-Pin Male D-Sub Connectors\u003c\/strong\u003e for secure, high-density signal connections\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable border=\"1\" cellpadding=\"5\"\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMultiplexer Configuration\u003c\/td\u003e\n\u003ctd\u003eTwo independent 1 x 30 2-pole multiplexers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChannel Count\u003c\/td\u003e\n\u003ctd\u003e60 channels (2-pole) or 30 channels (4-pole)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Signal Level\u003c\/td\u003e\n\u003ctd\u003e300V DC\/RMS, 1A switched, 2A carry, 60W, 125VA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommon Mode Voltage\u003c\/td\u003e\n\u003ctd\u003e300V DC\/RMS between terminal and chassis\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContact Configuration\u003c\/td\u003e\n\u003ctd\u003e2-pole Form A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChannel Resistance\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;1.0Ω (Dual 1 x 30), \u0026lt;1.5Ω (Single 1 x 60)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContact Potential\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;±1μV (Dual), \u0026lt;±3μV (Single)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOffset Current\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;±250 pA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBandwidth\u003c\/td\u003e\n\u003ctd\u003e30 MHz (Dual 1 x 30), 10 MHz (Single 1 x 60)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eActuation Time\u003c\/td\u003e\n\u003ctd\u003e4 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContact Life\u003c\/td\u003e\n\u003ctd\u003e\u0026gt;10⁵ operations at max signal; \u0026gt;10⁸ operations no load\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnector Type\u003c\/td\u003e\n\u003ctd\u003eTwo 78-pin male D-sub connectors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e0°C to 50°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e-25°C to 65°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e2.5 lbs (1.13 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003cp\u003e\u003cstrong\u003eScanning Performance\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSwitch Only:\u003c\/strong\u003e \u0026gt;120 channels\/second (sequential scanning)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDCV or 2W Ohms:\u003c\/strong\u003e \u0026gt;110 channels\/second\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThermocouple:\u003c\/strong\u003e \u0026gt;110 channels\/second\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3- or 4-Wire RTD:\u003c\/strong\u003e \u0026gt;100 channels\/second\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4-Wire Ohms:\u003c\/strong\u003e \u0026gt;100 channels\/second\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eIdeal Applications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Keithley 3720 multiplexer card is ideal for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature Monitoring \u0026amp; Data Acquisition\u003c\/strong\u003e – Multi-point thermocouple measurements with automatic CJC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomated Test Equipment (ATE)\u003c\/strong\u003e – High-channel-count switching for production test systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnvironmental Stress Screening (ESS)\u003c\/strong\u003e – Multi-channel temperature and voltage monitoring\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eR\u0026amp;D Laboratory Testing\u003c\/strong\u003e – General-purpose signal routing and measurement applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturing Test Systems\u003c\/strong\u003e – Component and PCB testing with flexible channel configurations\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eSystem Compatibility\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe 3720 card is designed for use with the \u003cstrong\u003eKeithley\/Tektronix Series 3700A System Switch\/Multimeter\u003c\/strong\u003e mainframes, including:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eModel 3706A-S (6-slot mainframe)\u003c\/li\u003e\n\u003cli\u003eModel 3706A-SNFP (6-slot, no front panel)\u003c\/li\u003e\n\u003cli\u003eEarlier 3700 Series mainframes\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eFlexible Configuration Options\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Model 3720 offers exceptional flexibility through its dual-bank architecture:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eOperate as two independent 1 x 30 multiplexers for isolated measurements\u003c\/li\u003e\n\u003cli\u003eReconfigure as a single 1 x 60 two-pole multiplexer via backplane relays\u003c\/li\u003e\n\u003cli\u003eEnable card-to-card expansion for larger system configurations\u003c\/li\u003e\n\u003cli\u003eConvert to coordinated four-pole operation for enhanced measurement accuracy\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eAvailable Accessories\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e3720-ST\u003c\/strong\u003e – Screw Terminal Block with CJC sensor (required for thermocouple measurements)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3720-MTC-1.5\u003c\/strong\u003e – 78-Pin D-sub Female to Male Cable, 1.5m (5 ft.)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3720-MTC-3\u003c\/strong\u003e – 78-Pin D-sub Female to Male Cable, 3m (10 ft.)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3791-KIT78-R\u003c\/strong\u003e – 78-Pin Female D-sub Connector Kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3791-CIT\u003c\/strong\u003e – Contact Insertion and Extraction Tool\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eExtended Warranty \u0026amp; Calibration Services\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e3720-3Y-EW-STD\u003c\/strong\u003e – Extend 1-year factory warranty to 3 years\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3720-5Y-EW-STD\u003c\/strong\u003e – Extend 1-year factory warranty to 5 years\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eC\/3720-3Y-STD\u003c\/strong\u003e – 3 Z540-1 compliant calibrations within 3 years\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eOrder the Keithley 3720 Dual 1 x 30 Multiplexer Card today and optimize your multi-channel switching and data acquisition applications.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Keithley","offers":[{"title":"Default Title","offer_id":58361158533452,"sku":"19173.1","price":2050.0,"currency_code":"GBP","in_stock":false}],"url":"https:\/\/www.testequity.co.uk\/products\/keithley-3720-19173-1","provider":"TestEquity UK","version":"1.0","type":"link"}