Measurements International - Metrology is our Science, Accuracy is our Business

42XXA Series of Four-Terminal Scanners

• 10, 16 or 20 Four-Terminal Channels
• Sealed Relays with 4 A Carrying Capacity
• 4-Conductor Wire or Binding Post Inputs
• Optional 30 A Capacity
• Low-thermal Matrix Design
• 1000 V_DC
• Insulation Resistance > 10¹² Ω
• Front Panel or IEEE-488 Interface

42XXB Series of Four-Terminal Scanners

• 10, 16 or 20 Four-Terminal Channels
• Sealed Relays with 4 A Carrying Capacity
• 4-Conductor Wire or Binding Post Inputs
• Optional 30 A Capacity
• Low-thermal Matrix Design
• 1000 V DC
• Insulation Resistance > 10¹² Ω
• Front Panel or IEEE-488 Interface

4220A-30 Amp

20-Channel Four-Terminal Matrix Scanner with Tellurium Copper Terminals

• Automated Low-Thermal Matrix Scanner – 20-Channel 30 Amp
• 20 – 4 Wire Inputs
• 30 Amp Capability
• Automatic or Manual
• 2- or 4-Wire Outputs