The Keithley 175 is a 4.5-digit autoranging multimeter engineered for precision voltage, current, and resistance measurements across laboratory, field service, and production testing environments. Its automatic range selection eliminates manual switching, streamlining workflow for technicians and engineers while maintaining measurement integrity across multiple measurement types and ranges.
Technical Specifications
DC Voltage
• Ranges: 200 mV, 2 V, 20 V, 200 V, 1000 V
• Accuracy: ±(0.05% reading + 1 digit) typical across most ranges
• Input Impedance: 10 MΩ approximate, shunted by <20 pF
AC Voltage
• Ranges: 2 V, 20 V, 200 V, 750 V
• Frequency Response: 50 Hz to 50 kHz
• Accuracy: ±(0.5% reading + 2 digits) typical
DC Current
• Ranges: 20 mA, 200 mA, 2 A, 10 A
• Accuracy: ±(0.1% reading + 1 digit) typical
• Burden Voltage: 0.2 V typical at 200 mA range
AC Current
• Ranges: 20 mA, 200 mA, 2 A, 10 A
• Accuracy: ±(1.0% reading + 2 digits) typical
• Frequency Response: 50 Hz to 20 kHz
Resistance
• Ranges: 200 Ω, 2 kΩ, 20 kΩ, 200 kΩ, 2 MΩ, 20 MΩ
• Accuracy: ±(0.1% reading + 1 digit) typical
Display
• Type: 4.5-digit LED
• Resolution: 19999 counts maximum
– Key Features
• Autoranging for simplified operation and faster measurements
• Continuity testing with audible beeper
• Diode forward voltage drop measurement capability
• Overload protection on all measurement functions
• Standard banana jack input terminals with dedicated current measurement terminals
• AC mains powered operation
• Compliant with applicable electrical safety standards for test equipment
– Typical Applications
• Laboratory circuit characterization and troubleshooting
• Field service and on-site equipment maintenance
• Production line testing and quality verification
• General-purpose electronics measurements requiring mid-range accuracy
– Compatibility & Integration
Standard banana jack connectors enable integration with conventional test lead systems and measurement setups. Dedicated current terminals prevent terminal misconnection errors during current measurement tasks.
