Long Range Surveillance Thermal Camera with 34~690mm Lens

Model NO.: JH640-690
Customized: Customized
Trademark: Wuhan JOHO
Transport Package: Safety Case
Origin: Wuhan, China
HS Code: 90275000
JH640-690 Long Range Thermal Security Camera
The JH640-690 thermal security camera is designed for long-range surveillance applications. It features a high-resolution 640×512 MWIR cooled sensor and a 34~690mm continuous zoom lens, allowing clear identification of targets at extended distances. This model is ideal for integration into EO systems or as part of a turret sighting system.

Technical Specifications

Detector Parameters
Detector Type Cooled FPA HgCdTe
Pixels 640×512, 15μm×15μm
Spectral Range 3.7μm~4.8μm
NETD ≤25mK@25ºC
Cooling Sterling
Optics Parameters
Focal Length 34~690mm continuous zoom
F-number 4
FOV 0.80° (H) × 0.64° (V) ~15.9° (H) × 12.7° (V)
Image Presentation
Video Output PAL
Frame Frequency 50Hz (100Hz on request)
Digital Video 14bit LVDS
Communication Control RS232/RS422
Brightness & Contrast Auto/Manual
Sutter Calibration Auto/Manual
Background Calibration Auto/Manual
Polarity BH&WH
E-zoom ×2/×4
Reticle Display ON/OFF
Reticle Position Adjustable
Image Gain Adjustable
Image Brightness Adjustable
Image Enhancement Yes
Image Reverse Vertical / Horizontal
Power Parameters
Power Supply 24~36VDC
Power Consumption ≤10W @ 25ºC
Environmental Parameters
Operating Temperature -32ºC ~ +60ºC
Storage Temperature -40ºC ~ +70ºC
Vibration Test GJB150.16-86/MIL-STD-810F-514.5
Shock Test GJB 150.18-96 / MIL-STD-810F-516.4
Physical Parameters
Weight ≤9.4kg
Dimensions ≤400mm × 220mm × 220mm
Color Oxide Black

Long Range Surveillance Thermal Camera with 34~690mm Lens

Long Range Surveillance Thermal Camera with 34~690mm Lens

Oil Drilling Additives

Polyanionic Celluolose, short for PAC, Sodium Carboxymethyl Cellulose, short for CMC, Hydroxyethyl Cellulose, short for HEC all can be used for oil drilling application.

Polyanionic Cellulose, Powder Sodium CMC, Powder HEC with low and high viscosity

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