Non-Linear Junction Detector (NLJD)

Also Please mail me in case if the company is interested to customisie this kind of equipment.

We require 17 Number of  Non-Linear Junction Detectors (NLJD).

Regards,

Bhuvana.

Technical Specificatin of Non-Linear Junction Detector (NLJD)

Transmitter

1 Frequency                          : 840MHz to 945MHz

2 Power Output                      : Should not be more than or equivalent to 4W continuous

3 Modulation                          : AM/FM/pulse or continuous

Receiver

4 Should have Rx frequency for :1680 to 1830MHz & 2520 to 2745MHz respectively

   2nd and 3rd harmonics

5 Sesitivity                             :Should be > -115dbm

Antenna                                 :Should have high gain antenna

6 Cables                                :All Cables & connector should be well secured

7 Display                                :Should have visual display

8 Should have control functions :(a) Volume

                                              (b) Power selection

Output

9 Audio                                   :With & without head phone

10 Display                               :Visual display distinguishing both 2nd & 3rd harmonics

11 Test Target                          :A single power diode

12 Detection range in open space :Minimum 0.4 m or better. Minimum 0.15m or better

    (max Tx and max sensitivity)

    In dug underground

13 Test false alarm rate             :Should be less than 5%

Power Requirements

14 Battery                                 :Rechargeable battery should provide minimum 3hrs

                                                 operation time on single full charge. Should provide

                                                 one spare battery. Battery should have protection against

                                                 reverse polarity

15 Battery charger Specification :180 to 240V

Weight Required (Approx)

16 Operational weight                 :Should not be more than 6.5Kg (weight in hand should not

                                                 exceed 3.5Kg)

Operation Conditions

17 Operational temperature range : -5C to +50C or better

18 Humidity                                :90% RH

19 Activation                               :The system should not activate any active radio controlled

                                                   device in close proximity to search head

20 Miscelleneous                         :The firm will provide - Allen Key Plier, Training Certificate,

                                                  Physical training in India, Tech Manual giving full description of

                                                   the item, User's Hand Book and Literature on preservation /

                                                   Maintenance