ST-401 CAYMAN - portable non-linear junction detector (new modification)

Non-linear junction detector ST401 series «CAYMAN» is a portable modification of the basic model NLJD ST-400. Thus ST-401 retained all modes implemented in the basic model. The main difference from the basic model, is the lack of a telescopic rod and the use of small batteries. ST401 is especially useful when working in a confined space when checking small loads, mail, as well as screening people. ST 401 allows detecting electronic devices, whether active or not, as well as finding their exact location. Using the detector, the operator can distinguish between "feedback" of the real semiconductors and "false" signals (corrosion, metal, metal-oxide-metal (MOM) structure).

Features:
• Basic search modes (manual and automatic);
• Maximum peak radiated output power does not exceed 2 W;
• An original signal processing algorithm reduces false alarms, increase selectivity and response rate;
• Software update via USB port;
• Locator is delivered in a shockproof case.

The main distinctive feature of CAYMAN non-linear junction detectors is the multi-frequency radiation mode (the NLJD simultaneously radiates several frequencies within the 2-3 GHz band and then analyzes the composite picture of the reflection spectrum, not only 2nd and 3rd harmonics) that gives the detector a lead over classical non-linear detectors:

• better selectivity (capability to detect electronic components against MOM structures;
  
• confident detection of search targets behind partially screened surfaces (for example, behind wire mesh);
  
• optimum balance of radiated power and detection range;
  
• in the Audio mode, a demodulated response from the target can be listened via built-in speakers or headphones, which may give the user more information as to the specifics of the target, be it alive electronic device or a MOM structure;
  
• possibility of operation in a complex electromagnetic environment.

The updated ST401 detector features:

• modified antenna system which allows to increase detector's selectivity;
  
• reduced weigt and overall dimensions of the detector;
  
• simplified control and indication system;
  
• popular type of the batteries;
  
• more ergonomic design.

Delivery set:
ST 401 detector - 1 pc.
Rechargeble batteries 3.7 V (18650 type) - 4 pcs.
Charger - 1 pc.
Charger's adaptor - 1 pc.
Headphones - 1 pc.
Semiconductor test dummy (with red label) - 1 pc.
MOM test dummy (with blue label) - 1 pc.
Operation manual - 1 pc.
Case - 1 pc.

Characteristics:
Frequency range	2-3 GHz
The maximum radiated peak power	less than 2 W
Antenna	elliptically polarized
Operating modes	"Search", "Audio", "Adaptation"
The range of sensitivity adjustment in manual mode	40 dB (5 steps of 8 dB each)
Indication:
- visual	three 16 LEDs bars
- audible	built-in speaker, headphones
Power supply	two Li-ion 3.7 V rechargeble battery (18650 type)
Run time of a fully charged battery	2 to 3 hours (depending on the operating mode)
Charge time	not more than 3 hours
Operating conditions:
- temperature range	from +5 °C up to+40°C
- relative humidity	not more than 85% (at +25°C)
Weight with battery	0.85 kg
Dimentions when folded (length, width, height)	220?130?95mm
Weight of the full set in case	3.7 kg