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Portable Spectrum Analyzer for signal and equipment test
We will try our best to provide products similar to Keysight Portable Spectrum Analyzer, Rohde & Schwarz Portable Spectrum Analyzer, Tektronix Portable Spectrum Analyzer,  Anritsu Portable Spectrum Analyzer.

Overview of Portable Spectrum Analyzers advantages and functions :
Techwin TW4950 series spectrum analyzer has many advantages: wide frequency range, high peroformance index, high sweep speed, various functions, and easy operation. In terms of performance index, it has excellent displayed average noise level, low phase noise, and high sweep speed. In terms of measurement functions, it has measurement functions of spectrum analyzer, inteference analyzer, AM/FM/PM analyzer, power meter, channel scanner etc. as well as intelligent measurement functions of channel power, occupied bandwidth, adjacent-channel power ratio, tune&listen, emission mask, and carrier-to-noise ratio etc. Techwin TW4950 apots the integrated design of 8.4 inch LCD and capative touch screen, which improves the display definition and operation convinience. It is handheld, compact and light, with flexible power supply, which is very suitable for field work.
Techwin TW4950 can be used for signal and equipment test in the fields of aerospace, microwave & stallite communication, radio communication, radar monitoring, electronic countermeasures & reconnaissance, and precision guidance.

Portable Spectrum Analyzers Main Characteristics :
Wide frequency range: from 9kHz to 44GHz, 4 models
Low displayed average noise level: -163dBm@1Hz RBW(typical)
Excellent phase noise performance: -106dBc/Hz@100kHz frequency offset@1GHz carrier
sweep speed: for 1GHz span, shortest sweep time

Techwin TW4950 Portable Spectrum Analyzer for signal and equipment test

We will try our best to provide products similar to Keysight Portable Spectrum Analyzer like X-Series and BSA, Rohde & Schwarz Portable Spectrum Analyzer like FSW, FSWP and FSMR, Tektronix Portable Spectrum Analyzer like RSA 308B, RSA7100 and RSA 5000B,  Anritsu Portable Spectrum Analyzer like MS2850A, MS2840A and MS2830A.

You will probably see us at the following exhibitions: EUMV in Europe , IMS in USA, MWC in Spain, EMV in Germany and so on.

Overview of Portable Spectrum Analyzers advantages and functions :
Techwin TW4950 series spectrum analyzer has many advantages: wide frequency range, high peroformance index, high sweep speed, various functions, and easy operation. In terms of performance index, it has excellent displayed average noise level, low phase noise, and high sweep speed. In terms of measurement functions, it has measurement functions of spectrum analyzer, inteference analyzer, AM/FM/PM analyzer, power meter, channel scanner etc. as well as intelligent measurement functions of channel power, occupied bandwidth, adjacent-channel power ratio, tune&listen, emission mask, and carrier-to-noise ratio etc. Techwin TW4950 apots the integrated design of 8.4 inch LCD and capative touch screen, which improves the display definition and operation convinience. It is handheld, compact and light, with flexible power supply, which is very suitable for field work.

Portable Spectrum Analyzers Main Characteristics :
Wide frequency range: from 9kHz to 44GHz, 4 models
Low displayed average noise level: -163dBm@1Hz RBW(typical)
Excellent phase noise performance: -106dBc/Hz@100kHz frequency offset@1GHz carrier
High sweep speed: for 1GHz span, shortest sweep time

1.Description; 1ml, clear glass, 8x40mm, flat base.

2.High quality and competitive price.

3.Shipping time is short.



Items are packed in pp-trays with plastic film and cover plate, namely sealed package.

1.Description: 5x31.5mm/5x28.5mm, clear glass, flat base; conical base with polyspring.
2.High quality with low price.
3.Free samples and prompt delivery.
4.Small order and oem are acceptable.



They are packed in pp-trays with plastic film and cover plate, outside packing is carton. Special packing requirement is acceptable.

1.Description: 5.8x31.5mm/5.8x28.5mm, clear glass, flat base; conical base with spring.
2.High quality with low price
3.Free samples and prompt delivery
4.Small order and oem are acceptable.



They are packed in pp-trays with plastic film and cover plate, outside packing is carton.
Special packing requirement is acceptable.

76mm (3 inches) concave objective mirror
Focal length : 700mm
20mm eyepiece
12mm eyepiece
4mm eyepiece
2x barlow lens
Moon filter
Large collapseable tripod with accessory tray
Alt-az type telescope mount
Dust free eyepiece cleaning cloth
Map of the surface of the moon & giant solar system poster

Specifications:

Binocular is impact resistant and rubber-armored for protection and increased durability
Superb light transmission through fully-coated optics provides great performance and sharp images
Rokinon's infra-vue ruby-coated lenses reduce uv glare and eye fatigue
Neck strap and carrying case are included
10x power
Field of view: 6.5 degrees or 342' / 1, 000 yards
Exit pupil: 5.0
Eye relief: 14.5mm
Relative brightness: 25
Weight: 24 oz.

Techwin PORTABLE SPECTRUM ANALYZER TW4950 with Various Measurement Functions

We try to supply spectrum analyzer similar to keysight spectrum analyzer, Rohde & Schwarz spectrum analyzer, Tektronix spectrum analyzer, Anritsu spectrum analyzer

Product Overview:
Techwin TW4950 series spectrum analyzer has many advantages: wide frequency
range, high peroformance index, high sweep speed, various functions, and easy
operation. In terms of performance index, it has excellent displayed average noise
level, low phase noise, and high sweep speed. In terms of measurement functions, it
has measurement functions of spectrum analyzer, inteference analyzer, AM/FM/PM
analyzer, power meter, channel scanner etc. as well as intelligent measurement
functions of channel power, occupied bandwidth, adjacent-channel power ratio,
tune&listen, emission mask, and carrier-to-noise ratio etc. Techwin TW4950 apots the
integrated design of 8.4 inch LCD and capative touch screen, which improves the
display definition and operation convinience. It is handheld, compact and light, with
flexible power supply, which is very suitable for field work.
Techwin TW4950 can be used for signal and equipment test in the fields of aerospace,
microwave & stallite communication, radio communication, radar monitoring,
electronic countermeasures & reconnaissance, and precision guidance.

Main Characteristics:
Wide frequency range: from 9kHz to 44GHz, 4 models
Low displayed average noise level: -163dBm@1Hz RBW(typical)
Excellent phase noise performance: -106dBc/Hz@100kHz frequency
offset@1GHz carrier
High sweep speed: for 1GHz span, shortest sweep time

Introducing the 10m Telescopic Tree Pruner: A Revolutionary Tool for Garden Enthusiasts

If you're a garden enthusiast, you know how important it is to keep your trees and bushes appropriately pruned to encourage healthy growth and proper shape. However, reaching the highest branches without a ladder can be a real challenge. Luckily, there's a solution - the 10m Telescopic Tree Pruner . This state-of-the-art tool is designed to help you reach the highest branches with ease.

The 10m Telescopic Tree Pruner combines the power of a pole pruner and saw, making it the ideal choice for trimming and pruning even the tallest trees. Its lightweight aluminum construction makes it durable and easy to handle, while the adjustable telescopic pole allows you to extend its reach as needed.

Since 2011, Orientjohn has been a leader in the design, manufacturing, and customization of telescoping poles. With over a decade of experience, we combine innovative design, advanced production techniques, and rigorous quality standards to deliver reliable solutions for demanding applications. Our Heavy Duty Telescoping Pole is engineered to meet the toughest requirements, offering durability, versatility, and ease of use for various industries and professionals.

9-425 screw thread caps and vials are often used in conjunction with shimadzu, spectra-physics, varian, and other autosamplers.
1.Vails: clear or amber, type 1 class b borosilicate glass.
2.Caps:pp material, black color or as your requirement.
3.Septa: red ptfe/silicone, pre-slit or not.



Vials packed in pp-trays with plastic film and cover plate, caps and septa packed in transparent pe bag, neutral cartons outside, and then all materials will be packed on plastic pallets.

8-425 screw thread caps and vials are often used in conjunction with shimadzu, spectra-physics, varian, and other autosamplers.
1.Vials: clear or amber, type 1 class b borosilicate glass.
2.Septa: red ptfe/silicone, pre-slit or not.
3.Caps: pp material, black or as your requirements.



Vials packed in pp-trays with plastic film and cover plate, caps and septa packed in transparent pe bag, neutral cartons outside, and then all materials will be packed on plastic pallets.

Vials:2ml, 12x32mm, clear, type 1 class a or type 1 class b borosilicate glass.

Caps:high quality laquered aluminum; siliver color or as your requirements.

3.Septa: clear or red ptfe; white or red silicone



Vials packed in pp-trays with plastic film and cover plate, caps and septa packed in transparent pe bag, neutral cartons outside, and then all materials will be packed on plastic pallets.

Vials: 1.5ml wide opening snap-top vial, clear 11.6*32mm usp 1 expansion 33.

Caps: polypropylene cap, 6mm centre hole.

Septa:ptfe/red silicone , pre-slit or not.


Vials packed in pp-trays with plastic film and cover plate, caps and septa packed in transparent pe bag, neutral cartons outside, and then all materials will be packed on plastic pallets.

Welcome to Orientjohn, your trusted destination for cutting-edge telescopic poles and telescopic tools designed to redefine accessibility and revolutionize your endeavors. As a pioneering manufacturer, we take immense pride in presenting our flagship offering: the 50-foot telescopic extension poles. These remarkable tools are meticulously crafted to empower you with unmatched reach and unrivaled efficiency, unlocking a world of possibilities.



Discover the Height of Innovation:
Whether you're a professional in need of extended reach or an enthusiast striving for precision, our 50-foot telescopic extension poles stand tall as the solution to your vertical challenges. The telescopic mechanism grants you the freedom to effortlessly adapt the pole's length to suit a spectrum of heights and purposes.

Fruit Picker Telescopic Pole by Orientjohn
Established in June 2011, Orientjohn specializes in the design, development, and production of telescopic poles. With over a decade of expertise, more than 10 proprietary patents, and cutting-edge manufacturing capabilities, we deliver high-quality products and customized Telescopic Tool solutions that meet the unique demands of various industries.

Our semi-automated production lines ensure an annual capacity of over 1 million poles, combining efficiency with exceptional quality control to meet the growing demands of global markets.

Product Features: Fruit Picker Telescopic Pole
The Fruit Picker Telescopic Pole is engineered for efficient and safe fruit harvesting, providing a practical solution to common challenges faced in agriculture and gardening.

Stdfsm 3666 digital fiber spectrometer
Detector: toshiba tcd1304 ap linear ccd array
Detector wavelength response range: 200nm-1100nm (200nm-850nm or 350nm-1100nm)
Pixels: 3648
Pixel size: 8um*200um
Pixel well depth: 105 number electrons
Snr: 300:1 (full signal)
A/d resolution: 12 bit
Dark noise: 50 rms counts
Corrected linearity: 99.8%
Sensitivity (photon/count): 400nm:130, 600nm:60
Optical system: f/4, asymmetrical crossed czerny-turner
Focal length: 45mm (input), 70mm (output)
Entrance aperture: 5um, 10um, 15um, 20um, 50um width slits or fiber (customizable)
Grating: various kinds of scoring grating or holographic grating with different grating constants and flare wavelengths (customizable)
Cylindrical lens: optional
Optical filter: band pass or long pass filters to eliminate secondary spectrum
Fiber and fiber connection: na 0.22, sma 905 (customizable)
Wavelength range: depend on optical grating
Optical resolution: 0.2nm-10nm fwhm (depend on grating constant, width of slit and detector model)
Wavelength tolerance: about 0.2mm
Integration time: 10us-64s
Dynamic range: 2.0*108 (system), 1300:1 (single acquisition)
Stray light: < 0.05% at 550nm
Power consumption: 250ma*5 vdc
Data transfer speed: full spectrum into memory every 5ms at usb 2.0 (16ms at usb 1.1)


Standard