ST NR-CHP User Manual

NON-LINEAR JUNCTION DETECTOR

“NR-CHP”

USER’S MANUAL

201 8

CONTENTS

1 Application.…………………………………. 4

2 Function 4

3 NR-CHP complete set………………………. 5

4 Main technical parameters…………................ 6

5

5.1

5.2

5.3

5.4

5.5

Design ……………………………................

Main unit
Accessories …………………………………….…...
Power supply…………………………………..

Charger ……………………………....

Imitator ……………………………………..….…

7
7
9
9
10
11

6 Marking ……………………………..… 11

7 Packing…………………………………………… 11

7

7.1

7.2

7.3

7.4

7.5

NR-CHP operation
Operation condition and restriction
Getting started
NR-CHP workability test
SEARCHING OPERATION
EMERGENCY ACTIONS

12
12
12
14
14
15

9 Battery charging 16

10 Maintenance ………………………………. 19

11 Shipping and storage ………………… 21

12 Certificate of acceptance …………………….. 21

13 Warranty ………………………………….. 32

NR-CHP Operation Manual

2

This Manual is intended

for explanation

“NR-CHP” Non-linear Junction Detector

design & principle of operation

as well as directions for its use.

For proper equipment use,

study this Manual in depth.

NR-CHP Operation Manual

3

The Device has an open UHF radiator

of electromagnetic energy.

In active mode it represents

a source of active interference

that could cause certain malfunction

of radio-electronic equipment

located in close proximity

It is the responsibility of the User

to comply with the corresponding

Radio Communication Regulations

of the country where ‘NR-CHP’ NLJD

is being used

NR-CHP Operation Manual

4

1. APPLICATION

NR-CHP Non-linear Junction Detector (fig. 1) is intended for

searching concealed electronic devices that contain semi-conductor
components.

This Detector can be successfully utilized for suspect person
inspection at a certain check point.

NR-CHP can detect typical target in every operational mode: active,

stand-by or even switched-off.

2. FUNCTION
NR-CHP represents a portable tool that consists of antenna system,

transmitter and two receivers adjusted for double and triple
frequency of transmitter’s probing signal. Both transmitter and
receivers are placed in a Main unit body.

Main unit is fabricated as mono-block in a compact plastic body with
an easy-to-use handle and control panel on the back side of the body.

The UHF probing signal is converted into a poly-harmonic one on
the radiated nonlinear elements (semi-conductive items or corroded
metal-oxide-metal junction) and retransmitted, better say –
‘scattered’ into ambient space.

Retransmitted 2nd & 3rd harmonics of the probing signal are received
and processed simultaneously by receivers.

The received signals levels are reproduced in an audio form and its
volume is proportional to the received signal level while its tone
corresponds to an appropriate harmonic.

If necessary the received signals level can be reduced by ATT
buttons (see Main unit control panel below) and monitored by
corresponding LED indication.

NR-CHP Operation Manual

5

3. NR-CHP COMPLETE SET (table 1)

Table 1

1 NR-CHP Main unit 1

2 Target imitator (test unit) 1

3 Soshine SC-S1 battery charger 1

4 Soshine 18650 rechargeable cells 4*

5 AC power adapter 1

6 Car power adapter

7 Carry bag 11

Operation manual (not shown) 1

* - 2 sets with 2 cells in each

NOTE: rechargeable cells & battery charger can be replaced by any
equivalent version.

1

2

7

3

4 5 6

Fig. 1

NR

-

CHP

complete set.

1- Main unit, 2- imitator (test-unit), 3- charger, 4-

rechargeable cells,

5- AC power adapter, 6- car power adapter, 7- carry bag

NR-CHP Operation Manual

6

3. MAIN TECHNICAL PARAMETERS

Target detection range

- SIM card

- Mobile phone

not less 0.10 m

not less 0.15 m

Receiver input signal attenuation

2 steps 10dB each

(0 dB, -10 dB, -20 dB)

Received signal indication

Audio

Operational condition:

Operating temperature
Low limiting temperature
High limiting temperature
Limiting relative humidity

-5°С … +40°С

minus 20°С

+50°С

80% (under +25°С)

Power supply

2 x ‘Soshine’
18650 Li-ion

rechargeable cells 3.7V

Continuous operation time
with one set of fully charged cells

not less 3h*

Weight

Device in a ready for operation state
Complete set in standard packing

1.0±0.1kg

2.0±0.3kg

* - with 2800mAh cells

NR-CHP Operation Manual

7

5. DESIGN

5.1 MAIN UNIT

NR-CHP Main unit represents a handy mono-block comfortable

enough to be held by an operator (fig.3).

The Main unit is equipped with a control panel (3) and a power
supply chamber (4).

1

2

3

4

Fig. 2

NR

-

CHP Main unit.

1- antenna cap, 2-

Main unit handle,

3- control unit panel, 4- battery compartment cover.