Elastic Sensitive Unit

GaAs Wafers
Gallium Arsenide (GaAs) wafers are critical components in modern electronics and photonics due to their superior electrical and optical properties.

Here�¢??s a focused overview:

GaAs�¢?? is shorthand for Gallium Arsenide, a compound made up of two elements, and the semiconductor used to manufacture GaAs wafers. GaAs is used as a direct bandgap semiconductor, which in layman�¢??s terms, simply means that particles such as electrons can pass through components much quicker and with very little interference. This makes them particularly useful in optical devices because photons, the basic unit for all light, can pass through lenses with ease.

What are GaAs Wafers Use For?

The use of GaAs wafers is dictated by the capabilities of the compound. Because GaAs is a direct bandgap semiconductor, it is especially useful in sensitive electronic equipment that requires amplifying low frequencies. Some of the most common applications for GaAs wafers include:

Radars

Radio communication equipment

Tachometers

Satellites

Microwave

LEDs

Shockwatch tip and tilt sensors continually monitor and/or report the conditions products are exposed to during transit, storage, and operation.
Attach one of the tiltwatch family of products directly to a package or container’s exterior surface, to monitor the ‘care in handling’.
Tiltwatch xtr tip indicator monitors goods that must remain upright to ensure intact delivery. Tiltwatch xtr is a single-use tip indicator that does not activate until it is at an 80o angle +/-5% from vertical.
Tiltwatch plus attached to package’s exterior surface, ‘peel and stick’ pressure sensitive label, is actually three separate registers in a single tilt indicator unit, providing inexpensive 360° tilt monitoring for the entire duration of shipping transit and an unalterable record of damaging excesses.

Introduction:

QB2000 gas alarm control panel is a multi-point monitoring of the latest design with simple operation and it combines with any gas detectors to form an industrial gas detection system.

This control panel embeds micro processor as control unit, when the detected gas density in the air reaches or exceeds the pre-set value, the controller will give out audio-visual alarm immediately to remind you take safety precautions and alert the corresponding valve, exhauster and other equipment to avoid explosion, fire, toxic gases to protect the safety of life and treasures.

This system applies to metallurgy, petrol, petrifaction, chemistry, light industry, coking, municipal administration, gas, pharmaceutical, sewage dealing and many other special industry and field that need proofing for fire, explosion, and toxic gas leakage.

Characteristics:

High-performance sensor
128*64 dot matrix big screen liquid digital display
With English Instruction Manual and pictures easy to operate
Various gas detector together to fix
Display the detected gas density in distance
High sensitivity, and quick response
Automatic compensation for temperature -drift and time drift
The up and low alarm points of each channels can be set separately
8 channel 4-20mA signals output
RS485, RS232 communication port can upload data to computers & 4 Relay output and the relay setting is programmable

Applications
An Electromyography (EMG) use EMG electrodes to pick up the electromyographic signal directly from the skin surface or within the subjects muscle using disposable fine-wire electrodes. Both are typically expressed in SI units micro Volt (mv). The Bioforcen-TB0810 model Biomechanics EMG can be used for biomechanics, engineering, medical research, orthopedics, rehabilitation evaluation, prosthetics, and general industrial uses. Specific uses include gait analysis, testing or stability analysis, neurological analysis, prosthetics fitting, athletic performance, shoe design, and force, power, and work studies.

Description
The EMG signal from each muscle is individually pre-amplified, band-pass filtered prior to digitization, and then converted to a binary sample for each of the channels. These operations are all performed directly in the subject back-pack to maximize signal quality. The binary information is then sent from the subject back-pack unit, via a single lightweight cable or wireless, to the desktop unit where it checked for transmission accuracy and then converted to an analog signal suitable for almost any analog data recording system. The desktop unit provides full electrical safety isolation for the subject.

AMPLIFICATION
The Bioforcen-TB0810 model Biomechanics EMG provides excitation and amplification for multiple channels in one convenient package. These amplifiers process the transducer signals and provide outputs suitable for an A/D converter so that the data can be stored and processed by a computer.

CALIBRATION
Each platform is inspected and tested in JUNE calibration facility. The calibration procedure provides a detailed sensitivity matrix and a complete test of all system components, including the amplifier and the connecting cable if ordered together.

SOFTWARE
Automated data collection and reduction requires a computer and software. Bioforcen-Analysis, Bioforcen-software package, is specifically designed for biomechanics .

EMG channels: 8
High pass filter (1st order): 10 Hz
Low pass filter (2nd order): 1000Hz (Butterworth)
EMG signal input mode: Raw Signal (¡À3 mV)
EMG signal output mode: Signal (0~2 V)
EMG channel sample rate 500~4,000 samples per second per channel.

Number of event switches: 8 switches, Independent of EMG channels
Indicator Lights: USB ok, Status ok

Safe Temperature Range: 0í½50OC
Compensated humidity Range: 20í½70%RH
Safe Excitation Voltage: 9 V DC


180*80*20mm
Net Weight: 260g
Packaged in aluminum alloy chest

the production of strict accordance with national standards. With the power station forging, mining metallurgy, rolling, cement and spare parts spare parts, metallurgy, rolling and other products improve the production and operation system. For hundreds of water technology change, hydropower, thermal power plant overhaul supply of high-quality equipment selection, equipment commissioning, construction plans, spare parts, after-sales service, such as through-train service. The company to undertake hydropower stations, thermal power plant unit capacity transformation, technical transformation and overhaul projects. Look forward to the major manufacturers to inquire.
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DFYL-2022-11-18-ZYR

Product Characteristics:
Measuring range 0 ~ 100 kpa... 1600 kpa
MEMS technology
Gage pressure form
PCB or ceramic packaging forms
Suitable for non-corrosive gas or liquid
Convenient sealing, high performance-price ratio

Areas of application:
Air conditioners, washing machines, refrigerators and other household appliances
Steering, braking, oil level, oil pressure test, and other automotive electronics areas
Pumps, fire fighting, diving and water pressure test
Water dispensers, coffee machine and other purification equipments
Workshop, environmental monitoring, liquid level measurement, etc

Product overview:
This piezoresistive pressure sensitive component is a type of pressure sensor suitable for pump, automotive electronics, drinking water, etc. its core is a silicon piezoresistive pressure sensitive chip adopting MEMS technology processing. The pressure sensitive chips by a elastic membrane and integrated membrane on the four resistors, four varistor formed the structure of wheatstone bridge, bridge produces a voltage output signal which has a linear proportional relationship with the added pressure when pressure effects on the elastic membrane.
This pressure sensitive component is OEM component adopting PCB assembly, can be electrical connected through the welding line or the pin, suitable for the O ring seal.
Good linearity, repeatability and stability, high sensitivity, convenient for users' output debugging adopting op-amp or integrated circuit.
Including with temperature compensation and without temperature compensation. Pressure on the back way.

standard packaging

Product Introduction:


The handheld SF6 gas leak detector is a stable and sensitive leak detector. We have fully considered the actual needs of the majority of users, and at the same time apply our rich technology and experience to this product, allowing users to enjoy an excellent price-performance ratio.



The high-tech central microprocessor unit is the core of the qualitative leak detector for sulfur hexafluoride gas. Its digital signal processing capabilities can better manage circuits and process detection signals. Due to the use of a large number of integrated circuits, the number of components in the circuit is reduced by 40%, which greatly improves reliability and efficiency. The microprocessor can monitor the probe and battery voltage at a rate of 4000 times per second. Even the smallest signal can be captured. It can work stably and reliably in any environment.



The SF6 gas qualitative leak detector has added some convenient functions. Seven-level sensitivity, the sensitivity is increased by 64 times. The three-color LED gradually indicates the degree of leakage in a large range, and is also used to display the sensitivity level and battery power. Touch the keyboard to perform all operations. The avant-garde slender shape design greatly facilitates the user's use and maintenance. It is very convenient to use the indicator light in the direct range.



Technical parameters:
Power supply 3V DC 2 alkaline batteries
Maximum sensitivity R12 R22 R134a approved (14g/year)
Limiting sensitivity about 20 hours
Probe life About 20 hours
Operating temperature
Battery life about 30 hours under normal use
Working way continuous unlimited
Response time instantaneous
Reset time 1 SEC
Warm-up time about 2 seconds
Weight 560g

Product Introduction:


The handheld SF6 gas leak detector is a stable and sensitive leak detector. We have fully considered the actual needs of the majority of users, and at the same time apply our rich technology and experience to this product, allowing users to enjoy an excellent price-performance ratio.



The high-tech central microprocessor unit is the core of the qualitative leak detector for sulfur hexafluoride gas. Its digital signal processing capabilities can better manage circuits and process detection signals. Due to the use of a large number of integrated circuits, the number of components in the circuit is reduced by 40%, which greatly improves reliability and efficiency. The microprocessor can monitor the probe and battery voltage at a rate of 4000 times per second. Even the smallest signal can be captured. It can work stably and reliably in any environment.



The SF6 gas qualitative leak detector has added some convenient functions. Seven-level sensitivity, the sensitivity is increased by 64 times. The three-color LED gradually indicates the degree of leakage in a large range, and is also used to display the sensitivity level and battery power. Touch the keyboard to perform all operations. The avant-garde slender shape design greatly facilitates the user's use and maintenance. It is very convenient to use the indicator light in the direct range.



Technical parameters:
Power supply 3V DC 2 alkaline batteries
Maximum sensitivity R12 R22 R134a approved (14g/year)
Limiting sensitivity about 20 hours
Probe life About 20 hours
Operating temperature 0â??-52â??
Battery life about 30 hours under normal use
Working way continuous unlimited
Response time instantaneous
Reset time 1 SEC
Warm-up time about 2 seconds
Weight 560g
Size 229 65 65mm3
Probe length 35.5cm