HMD-1000

HMD-1000 is an economical hot metal detector combining simple user interface and variety of signaling outputs. High speed receiver in combination with fast Push-Pull MOSFET output delivers outstanding 10us response time.

HMD-1000 block diagram
HMD-1000 electronics

The HMD-1000 removed from its protective enclosure.

HMD-1000 viewed from above

Viewed from above.


Technical Specifications

Detection Outputs:

  • Relay Output, SPDT Relay

    • Contacts rating: 10 Amp at 250VAC
    • Detection ON Time: 7ms (typical)
    • Max load: 5 Amp
    • UL, CSA, BSA approved

      • Warning: Relay connections are not protected by fuse. Exceeding Max load current may result in damage to the PCB tracks.

  • Push-Pull MOSFET Output

    • Contacts rating: 10 Amp at 250VAC
    • Detection ON Time: 10us (typical)
    • Short circuit protection: 100mA continuous, 250mA peak for 1 sec
    • Source/sink capacity: 100mA
    • 24V logic (GND to 24V power supply rail)
    • Polarity selectable with jumper JP 2

  • Isolated Output (Opto Isolated Relay)

    • Detection ON Time: 0.15ms (typical)
    • Source/Sink Capacity: 100mA
    • Load Voltage: 60 V max
    • Short circuit protection: 100mA continuous, 250mA peak for 1 sec

Power Input:

  • Current Draw

    • No detection: 20 mA
    • Detection and TEST: 100mA (No load on Static Detect output)
  • 24VDC (20V to 28V, reverse polarity protected)
  • Optional AC power supply
  • 100 to 260VAC at 5W max.

Other:

  • Detect Outputs Hold Time: 40ms (typical)
  • Detection Threshold Adjustment Range: 250 mV to 5V (5% to 50 % of max signal)
  • Receiver Field of View: 2.3 deg or 40mRad (8cm at 2m distance)

  • Gain Control (JP1):

    • High/Low gain select jumper ( x 10)
    • Installing the jumper increases gain by factor pf 10.

  • Pointing Laser:

    • Power: 1mW (Eye safe Class 2)
    • Wavelength: 650nm (red)

If you require additional information about this product, please contact us at: jknanotech@outlook.com