The sensitivity of JH-3 digital metal detecting gate is adjustable. In the highest
volume, articles as small as a paper clip can be detected and located. The user
can configure the gate according to the size and weight of the article for detection
to exclude error alarm for coins, keys, jewelries, belt buckles etc. It is
applicable in the places such as factories, mines, banks, luxuries houses etc.,
where expensive metal articles may get lost easily; and places such as airport,
customhouse, jails, exhibition halls, where dangerous metal articles are prohibited.

Technical specifications: 
Electric current: 220V Power: <30w 
Outer frame: 2220mm (h) X790mm (w) X522mm (d) Inner frame: 2000mm (h) X700mm (w)
X522mm (d) 
Net Weight: about 70kg work environment: -20- +45°C
Complied standard: GB15210-2003 
 
Function and characteristics
Displaying panel: Adopting the ultra-large LED displaying panel, convenient for the
work of the operator.
Six detecting areas: Allocation of six mutual over-lapping detecting areas, simultaneous
alarming from multi-areas and accurately ascertaining the location of the
metal articles according to the layout of the metal articles.
Indication of the alarming areas: The LED monitor embedded at both the left and right
sides of the gate leaf can accurately indicate the prohibited articles which
are hidden at the places of human body with corresponding height. The alarming
areas can be indicated by the column lamps at the both left and right gateposts.

Adjustable area sensibility: With the highest sensibility, it can detect the metal
article as small as the clip. With the range of 0-99, it can automatically adjust
the sensibility, pre-set the weight, volume, size and location in respect of
the metal articles and eliminate the false alarming for the coin, key, jewelry,
leather belt button, etc.
High capability of anti-interference: The adoption of digital, analogy and left and
right balanced technology can prevent false or omitted alarming, which greatly
enhance the capability of anti-interference.
Protection with password: The protection from the password can only allow the authorized
person for the operations. It is highly safe.
Functions of statistic counting: The intelligent counter can calculate the number
of the passenger flow and the times of alarming.
Harmless to human body: The product is harmless to heart pacemaker installed in human
body, pregnant women, magnetic floppy, recording tapes, etc. 
Power safety: The power device for the product is installed at the top of the main
unit. The power supply can be controlled by the operation panel.
Convenience in installation: JH series products adopt integration design. It only
takes twenty minutes to install the gate, User's Manual are attached with the product.
Application scope: It can be used in the factory, prison, court, exhibition hall,
stadium, entertainment lieu, etc., where the prohibited articles need to be checked
for safety.