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Products » By Manufacturer » Protek - Test & Measurement Devices » Multimeters » B940 - 3 3/4 Digit 4000 Count True RMS Bench Top DMM with RS232
B940 - 3 3/4 Digit 4000 Count True RMS Bench Top DMM with RS232
" True RMS AC volts and amps measurements
" Capacitance and Frequency measurements
" Back-lit display and Auto/Manual ranging
" MIN/MAX and Relative mode
" Delay hold mode
" AC Line or Battery Operated
" RS-232 Interface with software
" Portable or Bench with Pop-up Stand
" Storage Compartment

  • Specification
    • DC Voltage
    Range 400mV, 4V, 40V, 400V and 1000V
    Best Resolution 0.1mV
    Accuracy ±(0.3% + 2d)
    Input Impedance 10MW
    Overload Volts 1000V DC or 750V AC RMS
    AC Voltage
    Range 4V, 40V, 400V and 750V
    Best Resolution 1.0mV
    Accuracy ±(0.8% + 5d) 45Hz to 450Hz
    ± (1.2% + 5d) 45Hz to1KHz
    Input Impedance 10MW
    Overload Volts 1000V DC or 750V AC RMS
    DC Current
    Ranges 4mA, 40mA, 400mA and 10A
    Best Resolution 1?A
    Accuracy ±(0.8% + 5d)
    Overload protection 0.5A/250V and 15A/250V fuse
    AC Current
    Ranges 4mA, 40mA, 400mA and 10A
    Best Resolution 1?A
    Accuracy ±(1.5% + 5d) 45hz to 400Hz: 4mA to 400mA ranges
    ±(2.0% + 5d) 45Hz to 400Hz: 10A range
    Overload Protection 0.5A/250V and 15A/250V fuse
    Resistance
    Range 400W , 4KW W 40KW, 400KW, 4MW, 40MW
    Best Resolution 0.1W
    Accuracy ±(0.5% + 5d) 400W to 400KW ranges
    ±(1% + 5d) 4MW range
    ±(1.5% + 5d) 40MW range
    Frequency
    Range 100Hz, 1KHz, 10KHz and 600KHz
    Best Resolution 0.01Hz
    Accuracy ±(0.1% + 2d)
    Sensitivity 100mV RMS, 1Hz to 20KHz
    500mV RMS, 20KHz to 600KHz
    Overload 250V
    Capacitance
    Range 4nF, 40nF, 400nF, 4?F, 40?F
    Best Resolution 0.1pF
    Accuracy ±(2% + 4d) 4nF range (Relative Mode)
    Overload 250V
    Converter
    Display 10 counts per 1mV DC
    Accuracy ±(0.3% + 5d)
    Overload 250V
    Diode test
    Test Volt 3V
    Test Current 0.6mA
    Overload 250V
    Continuity
    Buzzer will sound at < 40W Resistance
    Overload 250V
    General Specifications
    Size 3.3" H x 9.0" W x 9.4" D
    Weight 3.3 lbs
    Power 9V NEDA battery (not supplied) or 90 to 132VAC / 198 to 264VAC @ 50/60Hz (Adapter Supplied)
    Accessories Manual, Test leads, Carrying strap, Line cord, RS-232 cable, Software CD
    To request more information, please fill the form below.
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