The Yokogawa 73201 is a 3.5-digit handheld digital multimeter engineered for field technicians and maintenance professionals requiring reliable electrical measurements across AC/DC voltage, current, resistance, continuity, and diode testing. Its 4300-count digital display delivers precise readings in compact form—74 mm × 155 mm × 31 mm, weighing 240 g—with dual AAA battery power supporting approximately 600 hours of continuous operation. The instrument combines auto-ranging convenience with manual range selection, enabling rapid troubleshooting in industrial and commercial environments.
Technical Specifications
Measurement Ranges
• DC Voltage: 400.0 mV to 600 V
• AC Voltage: 4.000 V to 600 V
• DC Current: 400 µA to 10 A
• AC Current: 400 µA to 10 A
• Resistance: 400 Ω to 40 MΩ
Accuracy
• DC Voltage: ±0.5% + 1 digit
• AC Voltage: ±1% + 5 digits
• Input Resistance (DC): >10 MΩ
• Input Resistance (AC): >11 MΩ, <50 pF
Safety & Compliance
• Measurement Category: CAT II (600 V), CAT III (300 V)
• Maximum Input: 600 V, 20 A
• Standards: EN61010-1, EN61010-2-031, EN55011 (Class B, Group 1), EN50082-1
• Overvoltage and current warning protection integrated
– Key Features
• Auto-ranging with manual range override capability
• Auto HOLD function for stable readings
• Automatic power-off after approximately 20 minutes (user-selectable)
• Large 3.5-digit display for clear measurement visibility
• Continuity and diode test functions
• Operates at 0°C to 50°C; humidity to 80% RH (non-condensing)
– Typical Applications
Electrical system troubleshooting, field maintenance, circuit diagnostics, power quality assessment, and component validation in industrial control, HVAC, and general electrical work.
– Compatibility & Integration
Supplied with RD031 test lead set. Spare fuses available: F02 (15 A/250 V) and F05 (500 mA/250 V). Optional hard carrying case and rubber case accessories available.















