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If you wish to pay by direct credit our bank details are Westpac Bank Account number 031560005255900, this option is NOT available for offshore payments due high bank charges we incur this end. If you prefer this method, send us an email and we will produce an invoice for direct credit payment.

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  • ZM4 12 volt
    12 volt ZM4, complete with installation manual user guide.
    "N" Switching design
    NZ$ 250.00
  • ZM4 24 volt
    24 volt ZM4, complete with installation manual user guide.
    "N" Switching design
    NZ$ 275.00
  • ZM4  12 volt
    12 volt ZM4, complete with installation manual user guide.
    "P" Switching design
    NZ$ 260.00
  • ZM4 24 volt
    24 volt ZM4, complete with installation manual user guide.
    "P" Switching design
    NZ$ 285.00
  • Digital Tachometer
    This digital tachometer is small, cost-effective display range is from 5-9999 RPM , it can accurately measure the RPM of the engine and various motors. My picture does not do justice to how clear the digits really are.
    This unit works by gluing a small round magnet (supplied) to the rotating mass (flywheel) and attaching a small reed switch (supplied) to pick up the pulses. Mount the reed switch 5 to 25mm from the rotating magnet.

    Features & Specifications
    • Power requirement: DC 8-24V
    • Measure range: 5-9999RPM.
    • Clear zero: Automatic,
    • Clear zero time: about 10s.the greater the RPM value, the longer the clear zero time.
    • Refresh frequency: 0.2-0.5S@120-1200RPM;0.25-0.06S@2­400-9999RPM.
    • Measure indication: RPM<5000,±2;RPM>5000,±­3.
    • Display: RED 0.56” LED
    • Input sign: Magnetic reed switch and magnet (supplied)
    • Dimension:72 x 36 x 20 mm,panel cut out Dimension:68 x 33 mm
    • Opera
    NZ$ 50.00
  • Digital counter - Up and down
    Bright LED display
    Non interference processing hardware.
    Unit will count up and also down
    Will retain last number on power shut down
    Can be reset via a push button switch
    Power supply 11volts DC to 35volts DC
    See download page for more information
    NZ$ 55.00