instrument_tag: dmm-01
uuid: 5c610de2-06b3-4b44-bcce-8a2ead82488b
manufacturer: Siglent Technologies
model: SDM3045X
serial_number: null

description: >
  Precision 4½-digit dual-display digital multimeter.
  Used for voltage, current, resistance, capacitance, frequency,
  continuity, diode, and temperature measurements in lab setups.
  Supports dual-display, math functions, and remote automation
  via SCPI over USB/LAN.

measurement_capabilities:
  parameters:
    - dc_voltage
    - ac_voltage
    - dc_current
    - ac_current
    - resistance_2w
    - resistance_4w
    - capacitance
    - frequency
    - period
    - continuity
    - diode
    - temperature
  ranges:
    dc_voltage_v: [600e-3, 6, 60, 600, 1000]
    ac_voltage_v: [600e-3, 6, 60, 600, 750]
    dc_current_a: [600e-6, 6e-3, 60e-3, 600e-3, 6, 10]
    ac_current_a: [60e-3, 600e-3, 6, 10]
    resistance_2w_ohm: [600, 6e3, 60e3, 600e3, 6e6, 10e6, 100e6]
    resistance_4w_ohm: [200, 2e3, 20e3, 200e3, 2e6, 10e6, 100e6]
    capacitance_f: [2e-9, 20e-9, 200e-9, 2e-6, 200e-6, 10e-3]
    frequency_hz: [20, 500e3]
    period_s: [2e-6, 50e-3]
    temperature_c: [-200, 1820]   # with TC/RTD sensors
  resolution_digits: 4.5
  measurement_speed_rps: [5, 50, 150]

interfaces:
  - USB Device
  - USB Host
  - LAN
  - External Trigger
  - VMC Output

usage_notes: >
  Supports auto and manual ranging.  
  True-RMS for AC voltage/current.  
  Dual-display allows two measurements simultaneously.  
  Built-in SCPI command set for automation.  
  Requires proper lead configuration and safety precautions.  
  Warm-up recommended before high-precision measurements.

location: lab-bench-01
status: active