Keithley 7710 20-Channel Solid State Multiplexer Module

Artno.: KL1-977100
Manufacturers: Keithley

20-channel, Solid-state Differential Multiplexer with Automatic CJC

1.368,50 €

incl. 19% VAT

(1.150,00 € excl. VAT)

Out of stock

Description
Product Reviews

The 7710 is an advanced plug-in module featuring a versatile relay input system. It offers a configurable setup of either 20 channels with 2-pole switching or 10 channels with 4-pole switching, which can be arranged as two separate multiplexer banks. A key feature of this module is its use of solid-state relays, which significantly enhance its durability and reduce maintenance needs. These solid-state components typically offer a lifespan about 100 times longer than traditional mechanical relays.

This module is particularly well-suited for two main application areas:

Long-term data logging projects
Demanding high-speed testing scenarios

Notable characteristics of the 7710 include:

20 channels designed for diverse measurement applications
Impressive scanning capabilities, reaching speeds of up to 500 channels per second
Suitability for high-speed production or Automated Test Equipment (ATE) testing, maintaining its 500 channels/second performance
Extended operational life due to solid-state relay technology
User-friendly removable screw terminals, facilitating quick and straightforward connections

Model Overview

Capabilities (Channels 1–20)	Multiplex one of 20 2-pole or one of 10 4-pole signals into DMM
Maximum Signal Level	Any channel to any channel (1–20): 60VDC or 42V rms, 100mA switched, 6W, 4.2VA maximum

Common Mode Voltage	300VDC or 300Vrms (425V peak) maximum between any terminal and chassis
Relay Life (typ)	>10⁵ operational hours max. signal level or 10¹⁰ operations (guaranteed by design)
Relay Drive Current	6mA per channel continuous, 25mA during initial pulse
Channel Resistance (per conductor)	<5Ω
Contact Potential	<1µV per pair
Offset Current	<3nA @ 23°C (per channel); additional 0.13nA/°C >23°C
Connector Type	3.5mm removable screw terminals, #20 AWG wire size
Isolation Between Any Two Terminals	>10⁹ Ω, <100pF
Isolation Between Any Terminal and Earth	>10⁹ Ω, <100pF
Crosstalk (CH-CH, 300kHz, 50Ω Load)	<–40dB
Insertion Loss (50Ω Source, 50Ω Load)	<0.5dB below 100kHz, <3dB below 2MHz
Temperature Accuracy Using Internal CJC	1°C for K type (see mainframe specifications for details)

Extended Specifications

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