ReviewsOptical Communication Instrument

YJINGRUI USB Hart Modem USB to Hart Protocol Modem Hart Transmitter for All Hart Protocol Device Rosemount/ABB/Vega/E H/ETC Adapt to Windows XP/7/8/10 with Built-in Loop Resistor

Application: Provide a flexible PC communication link to HART networks and power kit and loop resistor, for commissioning, servicing, calibrating, or acquiring data from any HART instrument or transmitter..
Software: Make sure you have the correct software to communicate to the modem. Then you can connected to the field equipment successfully..
Parameters: {Interface: USB-A} {Hart connection: 2-wire and polarity insensitive test clips} {Option mode: 1) 24VDC/270Ω. 2) Normal. 3) 270Ω}.

5V 650nm 5mW Red Dot Diode Laser Head Red Laser Diode 6mm Red Laser Diode Laser Head.
Laser Modules Wavelength: 650nm. Working Voltage: 5v.
Application: Level instrument, Ground instrument, Long distance laser listener remote light control, Long distance laser wireless communication.

Connector/Connection Polish: LC/UPC Male to LC/UPC Female, 10 Pack.
Low Insert-loss & High Return-loss: Optical fibers are connected by adapters through internal open sleeves. Provide LC adapters to ensure the connection between fiber patch cable..
Good Repeatability & Intercalation: Widely used in Optical Fiber Distribution Frame, Optical Communication Network, Optical Fiber Broadband Access Network, Optical Fiber CATV, Optical Fiber Testers, FLAN, the performance is stable and reliable..
Feature: Light weight, small volume, high accuracy, good stability and convenient operation..

✅SC/UPC Fiber Optic Attenuato: SC/UPC Male to SC/UPC Female, 10dB, Singlemode fixed, Ceramic Core material, 2 Pack. Provide SC adapters to ensure the connection between fiber patch cable..
✅Low Insert-loss & High Return-loss: Polarization dependent loss ≤0.2dB and Return Loss: ≥ 50dB. Using an attenuator to prevent over saturating an optical receiver when the optical power is too high and ensures low bit error rates preventing damage to receiving fiber optic equipment..
✅Good Repeatability & Intercalation: Widely used in Optical Fiber Distribution Frame, Optical Communication Network, Optical Fiber Broadband Access Network, Optical Fiber CATV, Optical Fiber Testers, FLAN, the performance is stable and reliable..
✅Feature: Light weight, small volume, high accuracy, good stability and convenient operation..
✅Attenuator Application: Optical attenuator is a passive device used to reduce the power level of an optical signal. It is generally used in single-mode long-haul applications to prevent optical overload at the receiver..

Twist Focus Tribrach Without Optical Plummet for Tripod Total Station Theodolite Auto Level.
Sokkia style tribrach without optical plummet.
Tribrach with 5/8”thread at bottom is an attachment plate used to attach a surveying instrument.
Easy to carry and use. High quality and accuracy products.
Metal Tribrach Sokkia, Twist Focus Tribrach without Optical Plummet.

83x Optical Zoom, 166x Dynamic Fine Zoom super telephoto lens with Dual Detect Optical VR.
Swiveling Vari-angle display and high-resolution eye-level viewfinder.
Built in Wi-Fi and Near Field Communication (NFC) for instant sharing.

#1 RATED, MOST RELIABLE, WORLDWIDE SELLER of RA BOCK DIAGNOSTICS PRODUCTS!.
Optical quality glass lens that is specially coated to help resist scratches.
Variable light intensity rheostat type switch that delivers an increasing light intensity through head attachments.
High-quality, German made, bright LED bulbs in all instrument heads.
Instrument handle utilizes a bayonet luer-locking mechanism for changing the multiple instrument heads included in the kit.

5V 650nm 5mW Red Dot Diode Laser Head Red Laser Diode 6mm Red Laser Diode Laser Head.
Wide range of wroking temperature: -10°C to +40°C.
Application: Level instrument, Ground instrument, Long distance laser listener remote light control, Long distance laser wireless communication.

Wide Range of Working Temperature: The mini diode laser head can work in -10 degree~£«40 degree.
Application: The red dot laser head widely be used for Level instrument, Ground instrument, Long distance laser listener remote light control, Long distance laser wireless communication, etc..
Feature: The laser head with 650nm wavelength, and working voltage: 5V. Output power: 5mW. Laser Shape: Dot.
Wire connection: Red wire connect to Positive, Blue wire connect to Negative.
Package Include: 15 Pack mini laser dot diode module head red 650nm 6mm 5v 5mw diode lasers..

[Wide Application]: Level instrument, ground instrument, electric toys, long distance laser wireless communication, stage light, flashlight, laser gyro, laser pointer, electric toy, industrial use. etc.
[Wire connection]: Red wire connect to Positive, Black wire connect to Negative.

The Latest Full Version USB HART MODEM WS232UP, With Built-in 24V DC & Loop Resistor, Windows XP/7/8/10 Support, Suitable For All Devices Which Support HART Protocol, etc..
The WS232UP USB-HART Modem provides a complete and flexible PC communication link to HART networks and power kit and loop resistor, for commissioning, servicing, calibrating, or acquiring data from any HART instrument or transmitter. The WS232UP is developed based on BELL202 modem standard, this external interface is rugged and compact and ideal choice for field service, commissioning, engineering, training, table top shows, lunch and learns and demo cases..
Fully HART compliant for communication with any HART instrument and error-free slave testing * DC-DC isolation power draws from USB port and needs no external power supply.
* Three modes: 1) 24VDC/270Ω. 2) Normal. 3) 270Ω. The mode is easily slide-switch selected so you’ll always have a power supply or loop resistor with you * Easy installation and use, this modem can power all 2-wire HART devices-independent of supplier.
* Rugged aluminium alloy case gives you industrial-grade reliability in a small package * Free HART application software for you to configure your HART device * Smart Design, smaller than a normal name card.