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Detectors

Detectors Products Metal Detectors VMH4-VS20/VS25 – Metal detector

VMH4-VS20/VS25 – Metal detector, olive

4th Generation Metal Detector with Exchangeable Search Coil

Discover VMH4
  • Optimized ergonomics for daily long-term operation in humanitarian and military demining
  • Flexible application optimization thanks to exchangeable search coils
  • Detection of material with low conductivity and wires
  • VALLON UXO mode
  • Button operated pinpoint function
  • Integrated GNSS for automatic and manual storage of waypoints
  • Infrared LED display for use with night vision devices and vibration alarm
  • Bluetooth® and Wi-Fi interface for cable-free access to the integrated web server
  • Also available as VMH4L with increased battery operating time at slightly higher weight

The VMH4—the successor to the VMH3—is the ideal work tool for humanitarian demining organizations.

New features such as the integrated web server and GNSS simplify planning and monitoring of large-scale mine clearing projects. The VMH4 is suited for all soils and shallow waters.

The VMH4 demonstrates its outstanding capabilities in the detection of improvised explosive devices (IEDs) in particular.

This detector is also available with the larger search coil VS25 with a diameter of 25 cm.

The combination of mechanical durability, intuitive operation and maximum detection sensitivity leave the user nothing to be desired. Getting started just requires adjusting the length of the telescoping bar.

Another special feature of this new detector generation is that rechargeable batteries can also be charged right in the device, either with a 110 – 240 V/50 – 60 Hz AC adapter or on a 10 – 30 V vehicle on-board power supply.

The VMH4 metal detector is also available as VMH4L. It offers an increased battery operating time at a slightly higher weight by using four disposable/rechargeable batteries.

Suitable for following searches ...

Mines :  Suited for mine detection. Thanks to maximum sensitivity, also responds to mines with low metal content.
UXO :  Suited for searching of all types of metal (e. g. shells, grenades, submunitions, etc.) near the surface. Thanks to optionally available UXO search coils, also for searching of objects at moderate depths.*
IED* :  Suited for searching of objects with low conductivity and the components typical of improvised explosive devices (e. g. wires and cables).

  • Technical Data
    Sensor

    Active search coils
    Search coil VS20: Ø 20 cm (Ø 7.87 in) – Standard
    Search coil VS25: Ø 25 cm (Ø 9.84 in)

    Alarm signal
    Visual (LED)/audio/vibration
    Watertight

    IP68 (5 m, 1 h at 20 °C)
    Search coils (additionally 1 m, 8 h at 20 °C)*

    *Search coils are suitable for longer detection in shallow waters.

    Dimensions*

    Backpack – Standard
    53 x 36 x 16.5 cm (20.87 x 14.17 x 6.50 in)

    Case
    56.5 x 46 x 21 cm (22.24 x 18.11 x 8.27 in)

    *Tolerance ± 3 %

    Ambient conditions

    In accordance with MIL-STD-810G
    (501.5-I,II, 502.5-I,II, 503.5, 506.4, 512.4, 514.6-C-II, 516.6)

    Ambient temperature

    -31°C – + 63°C (-24°F – +145°F)

    Storage temperature

    -51°C – +71°C ( -60°F – +160°F)

    Weight*

    Basic package with search coil VS20 – Standard

    Detector with/without standard battery
    VMH4: 2.47 kg (5.45 lbs) / 2.06 kg (4.54 lbs)
    VMH4L: 2.60 kg (5.73 lbs)/2.06 kg (4.54 lbs)

    Basic package – Detector in backpack including standard scope of delivery
    VMH4: 3.78 kg (8.33 lbs)
    VMH4L: 3.91 kg (8.62 lbs)

    Basic package in case
    VMH4: 8.28 kg (18.25 lbs)
    VMH4L: 8.41 kg (18.54 lbs)

    Basic package with search coil VS25

    Detector with/without standard battery
    VMH4: 2.55 kg (5.62 lbs) / 2.14 kg (4.72 lbs)
    VMH4L: 2.68 kg (5.91 lbs)/2.14 kg (4.72 lbs)

    Basic package – Detector in backpack including standard scope of delivery
    VMH4: 3.86 kg (8.51 lbs)
    VMH4L: 3.99 kg (8.80 lbs)

    Basic package in case
    VMH4: 8.36 kg (18.43 lbs)
    VMH4L: 8.49 kg (18.72 lbs)

    *Tolerance ± 10 %

    Disposable/rechargeable battery

    VMH4:
    3 x Mono LR20 1.5 V alkaline battery – Standard 
    3 x Mono HR20 1.2 V NiMH rechargeable battery
    VMH4L:
    4 x Mono LR20 1.5 V alkaline battery – Standard 
    4 x Mono HR20 1.2 V NiMH rechargeable battery

    Disposable/rechargeable battery operating time*

    VMH4:
    Alkaline batteries: About 16 h
    NiMH rechargeable batteries (10,000 mAh): About 18 h
    VMH4L:
    Alkaline batteries: About 22 h
    NiMH rechargeable batteries (10,000 mAh): About 25 h

    *Ambient temperature of about 20 °C, LR20: Varta Industrial, HR20: NiMH rechargeable batteries.

    Subject to changes that serve technical progress.

  • Downloads

  • Scope of Delivery

    Basic package VMH4-VS20 | Item No. 2005010000
    Metal Detector VMH4 with search coil VS20, Backpack, Test piece, 3 x Alkaline battery 1.5 V Mono LR20, Operation manual, Field manual, Backpack packing sketch

    Basic package VMH4-VS25 | Item No. 2005010050
    Metal Detector VMH4 with search coil VS25, Backpack, Test piece, 3 x Alkaline battery 1.5 V Mono LR20, Operation manual, Field manual, Backpack packing sketch

  • Parts/Accessories
    • Item No. 8905010000 Backpack VMH4, olive For storage and transport of the detector
    • Item No. 2905010050 Case VMH4, olive Rugged case for storage and safe transport of the detector
    • Item No. 2904090010 Search coil VS20, Ø 20 cm, olive For the detection of metal
    • Item No. 8904090700 Cover for search coil VS20, Ø 20 cm, olive Additional protection cover for search coil VS20
    • Item No. 2904090025 Search coil VS25, Ø 25 cm, olive For the detection of metal
    • Item No. 2904090200 UXO search coil VS30, Ø 30 cm, olive Optimized for the detection of submunition and UXO
    • Item No. 8904090890 Bag UXO search coil VS30, olive For storage of UXO search coil VS30, Ø 30 cm
    • Item No. 2904090210 UXO search coil VS60, Ø 60 cm, olive Optimized for the detection of submunition and UXO
    • Item No. 8904091330 Bag UXO search coil VS60, olive For storage of UXO search coil VS60
    • Item No. 2904090230 Stick probe VSP4 Enables the detection in dense vegetation
    • Item No. 2905010020 Test piece VMH4 Test piece for a functional check of the metal detector
    • Item No. 2805010000 Adjustment plate for brake screw Adjustment plate for tightening the brake screw of the search coil and for fixing the carrying strap of VMX10
    • Item No. 2904090480 Over-ear headphone single-sided VMF4/VMH4/VMC4 Comfortable, waterproof and non-magnetic single-sided over-ear headphone for use in a noisy environment
    • Item No. 2904090450 Over-ear headphone single-sided with cover for the second ear VMF4/VMH4/VMC4 Comfortable, waterproof and non-magnetic single-sided over-ear headphone with cover for the second ear for use in a noisy environment
    • Item No. 2904090090 On-ear headphone single-sided VMF4/VMH4/VMC4 Lightweight watertight and non magnetic on-ear headphone for use in a noisy environment
    • Item No. 5110307076 Data cable VMF4/VMH4/VMC4 For the data transfer between detector and PC
    • Item No. 2504090071 Charging cable VMF4/VMH4/VMC4 For Charging of rechargable batteries NiMH directly in the detector by using the vehicle plug socket 12/24V
    • Item No. 2905001067 Power supply adapter 100-240V including travel adapter AUS/UK/US Suitable for the charging cable VMF4/VMH4/VMC4
    • Item No. 2909990847 External battery charger 100-240V/50-60Hz, 12V Compact external battery charger for charging NiMH-reachargeable batteries
    • Item No. 5910001006 Alkaline battery 1.5 V Mono LR20 Standard battery (not rechargeable)
    • Item No. 5910001006S3 Alkaline battery 1.5 V Mono LR20, 3 ea. Standard battery (not rechargeable)
    • Item No. 5920001006 Rechargeable battery NiMH 1,2 V Mono HR20/10.000 mAh Rechargeable batteries for long operations
    • Item No. 5920001006S3 Rechargeable battery NiMH 1,2 V Mono HR20/10.000 mAh, 3 ea. Rechargeable batteries for long operations
    • Item No. 8905010270 Operation manual VMH4 Detailed operation information
    • Item No. 8905010280 Field manual VMH4 Extremley compact operation information
    • Item No. 8905010290 Backpack packing sketch VMH4 Illustration of the backpack scope of delivery

Service and contact

Hotline: +49 7121 9855-0
E-Mail: info@vallon.de