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YSX321SL
PARAMETERS:
1. Frequency range: 8-54MHz
2. SMD/SMT crystal unit, 4 pin 3225 type
3. Excellent for reducing EMI effect
4. High precision and frequency stability
5. Customize service is supported
6. Normal load capacitance: 8pf/9pf/12pf/18pf/20pf
7. Normal temperature: -40~+85℃
8. Standard frequency tolerance: ±10PPM
9. Applications: Mobile phone, Bluetooth, W-LAN ISM band radio
Rated Voltage:200VAC~ 500VAC
Rated Frequency:50/60Hz
Capacitance Range:0.8~ 120μF
Capacitance Tolerance:土5%
Tangent of loss angle tan δ:≤0.2% (20°C,100Hz)
Between Terminals:2.0Un/2s( No flashover or permanent breakdown)
Between terminals and case:≥2100VAC/2s(No dielectric breakdown or flashover)
Highest allowable voltage:1.1times of rated voltage
Maximum allowable circuit:1.3times of rated circuit
Class of safety protection:S0，S3
Executing Standards:IEC60252、EN60252、GB/T 3667.1、UL810
Dimension (mm): 30*15*1.7
Capacitance: 300±30%nF
S.P.L: 80±3dB//5Vrms/10cm
Res. Freq: 850±20%Hz
Freq. Range: F0-5K
Rated Power : 5rms
Operate temp: - 20 ~ +60℃
Tel:8651988371720
Email:sales@tda-buzzer.com
(One in a series of related and sequential images)
I decided to convert this magnetically-operated Pulsar Ladies’ Cushion-shaped wrist watch (Model 2407-2) over to Touch Command in operation.
I settled on this route as that the module that came with the watch was damaged by battery corrosion, and I chose not to send it out for rebuilding.
I purchased some new-old-stock Pulsar 801 modules from an enormously helpful, former owner of a Pulsar repair facility, with the hope that I could retrofit one of those 801 modules, to this Model 2407-2 watch.
Due to the 801 module’s design, its LED display is situated higher in the Time Screen than the original display was, but this is fine.
I removed the original module and the two original, magnetic-type Command Buttons from the watch.
I decided to make new and fixed-in-position, capacitance-enabled buttons that would utilize (but not alter) the existing holes for buttons in the watchcase.
In so doing, I have preserved the ability to switch back to a magnetically-operated watch in the future, should ever I decide to.
I no longer have the access to materials and tools like I used to, so I obtained my button-making stock from the tangs of a stainless steel, steak-carving fork.
I carved and fitted these replacement buttons by hand, using the tools that I have available to me at this point in time.
The buttons are seen semi-finished in images where they are not mounted.
These buttons are now potted in epoxy, so not much effort was exerted to finish the circumferential profile of them to a high level.
Ultimately, the crown of them was finished consistent with the finish of the watch case.
The recipient watch was manufactured in approximately late 1974 and early 1975 and I decided to leave some of the ‘honest wear’ in the restored watchcase.
Each button makes the mechanical and electrical connection of a copper wire, via two tabs that were crimped over the wire like a solderless connector would be.
These copper wires were then shaped to make contact with the new module’s contacts for the time and the date functions.
Both of the copper wires loop in different directions, with one being open at the top and one being closed at the top.
This was done so that the module’s bushing could be swung into place over the contacts.
The bushing hooked under the 12 o’clock contact, and swung over the 6 o’clock one.
The bushing was needed due to the smaller outside diameter of the 801 Module in a watchcase that wasn’t intended for it.
The bushing was made from the plunger cap of a medical syringe.
I made a new battery strap for the 801 module as that the batteries have a different size and layout from the original module.
I use 393/309 batteries with this 801 module.
A wealth of information regarding such Pulsar watches can be found at this site:
ÖLFLEX® SERVO 2YSLCY and 2YSLCYK are flexible encoder cables having special EMC- performance due to double shielded, low capacitance design. Ideal for frequency converters for variable speed of 3 phase AC motors, small, medium and large sizes.
lappindia.lappgroup.com/products/servo-motor-cable-and-en...
These are the flaps that increase the capacitance between the pads on the PCB. Each has a buckling spring which gives the keyboard its wonderful feel
The Theremin - a musical instrument that uses electronic circuits to produce audible tones through a phenomenon called capacitance. I wouldn't say musical - sounded like farting noises when I passed my hands near the device...hehe...
YSX321SL
PARAMETERS:
1. Frequency range: 8-54MHz
2. SMD/SMT crystal unit, 4 pin 3225 type
3. Excellent for reducing EMI effect
4. High precision and frequency stability
5. Customize service is supported
6. Normal load capacitance: 8pf/9pf/12pf/18pf/20pf
7. Normal temperature: -40~+85℃
8. Standard frequency tolerance: ±10PPM
9. Applications: Mobile phone, Bluetooth, W-LAN ISM band radio
YSX321SL
PARAMETERS:
1. Frequency range: 8-54MHz
2. SMD/SMT crystal unit, 4 pin 3225 type
3. Excellent for reducing EMI effect
4. High precision and frequency stability
5. Customize service is supported
6. Normal load capacitance: 8pf/9pf/12pf/18pf/20pf
7. Normal temperature: -40~+85℃
8. Standard frequency tolerance: ±10PPM
9. Applications: Mobile phone, Bluetooth, W-LAN ISM band radio
YSX321SL
PARAMETERS:
1. Frequency range: 8-54MHz
2. SMD/SMT crystal unit, 4 pin 3225 type
3. Excellent for reducing EMI effect
4. High precision and frequency stability
5. Customize service is supported
6. Normal load capacitance: 8pf/9pf/12pf/18pf/20pf
7. Normal temperature: -40~+85℃
8. Standard frequency tolerance: ±10PPM
9. Applications: Mobile phone, Bluetooth, W-LAN ISM band radio
YSX321SL
PARAMETERS:
1. Frequency range: 8-54MHz
2. SMD/SMT crystal unit, 4 pin 3225 type
3. Excellent for reducing EMI effect
4. High precision and frequency stability
5. Customize service is supported
6. Normal load capacitance: 8pf/9pf/12pf/18pf/20pf
7. Normal temperature: -40~+85℃
8. Standard frequency tolerance: ±10PPM
9. Applications: Mobile phone, Bluetooth, W-LAN ISM band radio
YSX321SL
PARAMETERS:
1. Frequency range: 8-54MHz
2. SMD/SMT crystal unit, 4 pin 3225 type
3. Excellent for reducing EMI effect
4. High precision and frequency stability
5. Customize service is supported
6. Normal load capacitance: 8pf/9pf/12pf/18pf/20pf
7. Normal temperature: -40~+85℃
8. Standard frequency tolerance: ±10PPM
9. Applications: Mobile phone, Bluetooth, W-LAN ISM band radio
YSX321SL
PARAMETERS:
1. Frequency range: 8-54MHz
2. SMD/SMT crystal unit, 4 pin 3225 type
3. Excellent for reducing EMI effect
4. High precision and frequency stability
5. Customize service is supported
6. Normal load capacitance: 8pf/9pf/12pf/18pf/20pf
7. Normal temperature: -40~+85℃
8. Standard frequency tolerance: ±10PPM
9. Applications: Mobile phone, Bluetooth, W-LAN ISM band radio
YSX321SL
PARAMETERS:
1. Frequency range: 8-54MHz
2. SMD/SMT crystal unit, 4 pin 3225 type
3. Excellent for reducing EMI effect
4. High precision and frequency stability
5. Customize service is supported
6. Normal load capacitance: 8pf/9pf/12pf/18pf/20pf
7. Normal temperature: -40~+85℃
8. Standard frequency tolerance: ±10PPM
9. Applications: Mobile phone, Bluetooth, W-LAN ISM band radio
YSX321SL
PARAMETERS:
1. Frequency range: 8-54MHz
2. SMD/SMT crystal unit, 4 pin 3225 type
3. Excellent for reducing EMI effect
4. High precision and frequency stability
5. Customize service is supported
6. Normal load capacitance: 8pf/9pf/12pf/18pf/20pf
7. Normal temperature: -40~+85℃
8. Standard frequency tolerance: ±10PPM
9. Applications: Mobile phone, Bluetooth, W-LAN ISM band radio
Rated Voltage:200VAC~ 500VAC
Rated Frequency:50/60Hz
Capacitance Range:0.8~ 120μF
Capacitance Tolerance:土5%
Tangent of loss angle tan δ:≤0.2% (20°C,100Hz)
Between Terminals:2.0Un/2s( No flashover or permanent breakdown)
Between terminals and case:≥2100VAC/2s(No dielectric breakdown or flashover)
Highest allowable voltage:1.1times of rated voltage
Maximum allowable circuit:1.3times of rated circuit
Class of safety protection:S0，S3
Executing Standards:IEC60252、EN60252、GB/T 3667.1、UL810
Precision capacitors are specialized electronic components engineered to provide highly accurate and stable capacitance values with minimal variation across different operating conditions. These capacitors are designed to exhibit tight tolerances and low temperature coefficients, ensuring consistent performance over time & in varying environmental conditions.They are commonly used in applications where precise timing, filtering, or energy storage is critical, such as in oscillators, filters, analog-to-digital converters, and power supplies. Precision capacitors enable engineers to achieve optimal circuit performance, reliability, and accuracy in their designs, making them essential components in high-precision electronic systems.
Fior Markets launched a study titled “Radar Level Transmitter Market by Type (Capacitance, Ultrasonic, Differential Pressure, Radar, Displacer), Technology, Frequency Range, End-User,Region” and Global Forecast 2019-2026. The global radar level transmitter market is expected to grow from USD 451.94 million in 2018 to USD 702.37 million by 2026 at a CAGR of 6.04% during the […]
techannouncer.co.uk/global-radar-level-transmitters-marke...
(One in a series of related and sequential images)
I decided to convert this magnetically-operated Pulsar Ladies’ Cushion-shaped wrist watch (Model 2407-2) over to Touch Command in operation.
I settled on this route as that the module that came with the watch was damaged by battery corrosion, and I chose not to send it out for rebuilding.
I purchased some new-old-stock Pulsar 801 modules from an enormously helpful, former owner of a Pulsar repair facility, with the hope that I could retrofit one of those 801 modules, to this Model 2407-2 watch.
Due to the 801 module’s design, its LED display is situated higher in the Time Screen than the original display was, but this is fine.
I removed the original module and the two original, magnetic-type Command Buttons from the watch.
I decided to make new and fixed-in-position, capacitance-enabled buttons that would utilize (but not alter) the existing holes for buttons in the watchcase.
In so doing, I have preserved the ability to switch back to a magnetically-operated watch in the future, should ever I decide to.
I no longer have the access to materials and tools like I used to, so I obtained my button-making stock from the tangs of a stainless steel, steak-carving fork.
I carved and fitted these replacement buttons by hand, using the tools that I have available to me at this point in time.
The buttons are seen semi-finished in images where they are not mounted.
These buttons are now potted in epoxy, so not much effort was exerted to finish the circumferential profile of them to a high level.
Ultimately, the crown of them was finished consistent with the finish of the watch case.
The recipient watch was manufactured in approximately late 1974 and early 1975 and I decided to leave some of the ‘honest wear’ in the restored watchcase.
Each button makes the mechanical and electrical connection of a copper wire, via two tabs that were crimped over the wire like a solderless connector would be.
These copper wires were then shaped to make contact with the new module’s contacts for the time and the date functions.
Both of the copper wires loop in different directions, with one being open at the top and one being closed at the top.
This was done so that the module’s bushing could be swung into place over the contacts.
The bushing hooked under the 12 o’clock contact, and swung over the 6 o’clock one.
The bushing was needed due to the smaller outside diameter of the 801 Module in a watchcase that wasn’t intended for it.
The bushing was made from the plunger cap of a medical syringe.
I made a new battery strap for the 801 module as that the batteries have a different size and layout from the original module.
I use 393/309 batteries with this 801 module.
A wealth of information regarding such Pulsar watches can be found at this site:
(One in a series of related and sequential images)
I decided to convert this magnetically-operated Pulsar Ladies’ Cushion-shaped wrist watch (Model 2407-2) over to Touch Command in operation.
I settled on this route as that the module that came with the watch was damaged by battery corrosion, and I chose not to send it out for rebuilding.
I purchased some new-old-stock Pulsar 801 modules from an enormously helpful, former owner of a Pulsar repair facility, with the hope that I could retrofit one of those 801 modules, to this Model 2407-2 watch.
Due to the 801 module’s design, its LED display is situated higher in the Time Screen than the original display was, but this is fine.
I removed the original module and the two original, magnetic-type Command Buttons from the watch.
I decided to make new and fixed-in-position, capacitance-enabled buttons that would utilize (but not alter) the existing holes for buttons in the watchcase.
In so doing, I have preserved the ability to switch back to a magnetically-operated watch in the future, should ever I decide to.
I no longer have the access to materials and tools like I used to, so I obtained my button-making stock from the tangs of a stainless steel, steak-carving fork.
I carved and fitted these replacement buttons by hand, using the tools that I have available to me at this point in time.
The buttons are seen semi-finished in images where they are not mounted.
These buttons are now potted in epoxy, so not much effort was exerted to finish the circumferential profile of them to a high level.
Ultimately, the crown of them was finished consistent with the finish of the watch case.
The recipient watch was manufactured in approximately late 1974 and early 1975 and I decided to leave some of the ‘honest wear’ in the restored watchcase.
Each button makes the mechanical and electrical connection of a copper wire, via two tabs that were crimped over the wire like a solderless connector would be.
These copper wires were then shaped to make contact with the new module’s contacts for the time and the date functions.
Both of the copper wires loop in different directions, with one being open at the top and one being closed at the top.
This was done so that the module’s bushing could be swung into place over the contacts.
The bushing hooked under the 12 o’clock contact, and swung over the 6 o’clock one.
The bushing was needed due to the smaller outside diameter of the 801 Module in a watchcase that wasn’t intended for it.
The bushing was made from the plunger cap of a medical syringe.
I made a new battery strap for the 801 module as that the batteries have a different size and layout from the original module.
I use 393/309 batteries with this 801 module.
A wealth of information regarding such Pulsar watches can be found at this site:
YSX321SL
PARAMETERS:
1. Frequency range: 8-54MHz
2. SMD/SMT crystal unit, 4 pin 3225 type
3. Excellent for reducing EMI effect
4. High precision and frequency stability
5. Customize service is supported
6. Normal load capacitance: 8pf/9pf/12pf/18pf/20pf
7. Normal temperature: -40~+85℃
8. Standard frequency tolerance: ±10PPM
9. Applications: Mobile phone, Bluetooth, W-LAN ISM band radio
Capacitors can save a varying type of electronic energy and use it when disconnects with the battery.
YSX321SL
PARAMETERS:
1. Frequency range: 8-54MHz
2. SMD/SMT crystal unit, 4 pin 3225 type
3. Excellent for reducing EMI effect
4. High precision and frequency stability
5. Customize service is supported
6. Normal load capacitance: 8pf/9pf/12pf/18pf/20pf
7. Normal temperature: -40~+85℃
8. Standard frequency tolerance: ±10PPM
9. Applications: Mobile phone, Bluetooth, W-LAN ISM band radio
(One in a series of related and sequential images)
I decided to convert this magnetically-operated Pulsar Ladies’ Cushion-shaped wrist watch (Model 2407-2) over to Touch Command in operation.
I settled on this route as that the module that came with the watch was damaged by battery corrosion, and I chose not to send it out for rebuilding.
I purchased some new-old-stock Pulsar 801 modules from an enormously helpful, former owner of a Pulsar repair facility, with the hope that I could retrofit one of those 801 modules, to this Model 2407-2 watch.
Due to the 801 module’s design, its LED display is situated higher in the Time Screen than the original display was, but this is fine.
I removed the original module and the two original, magnetic-type Command Buttons from the watch.
I decided to make new and fixed-in-position, capacitance-enabled buttons that would utilize (but not alter) the existing holes for buttons in the watchcase.
In so doing, I have preserved the ability to switch back to a magnetically-operated watch in the future, should ever I decide to.
I no longer have the access to materials and tools like I used to, so I obtained my button-making stock from the tangs of a stainless steel, steak-carving fork.
I carved and fitted these replacement buttons by hand, using the tools that I have available to me at this point in time.
The buttons are seen semi-finished in images where they are not mounted.
These buttons are now potted in epoxy, so not much effort was exerted to finish the circumferential profile of them to a high level.
Ultimately, the crown of them was finished consistent with the finish of the watch case.
The recipient watch was manufactured in approximately late 1974 and early 1975 and I decided to leave some of the ‘honest wear’ in the restored watchcase.
Each button makes the mechanical and electrical connection of a copper wire, via two tabs that were crimped over the wire like a solderless connector would be.
These copper wires were then shaped to make contact with the new module’s contacts for the time and the date functions.
Both of the copper wires loop in different directions, with one being open at the top and one being closed at the top.
This was done so that the module’s bushing could be swung into place over the contacts.
The bushing hooked under the 12 o’clock contact, and swung over the 6 o’clock one.
The bushing was needed due to the smaller outside diameter of the 801 Module in a watchcase that wasn’t intended for it.
The bushing was made from the plunger cap of a medical syringe.
I made a new battery strap for the 801 module as that the batteries have a different size and layout from the original module.
I use 393/309 batteries with this 801 module.
A wealth of information regarding such Pulsar watches can be found at this site:
(One in a series of related and sequential images)
I decided to convert this magnetically-operated Pulsar Ladies’ Cushion-shaped wrist watch (Model 2407-2) over to Touch Command in operation.
I settled on this route as that the module that came with the watch was damaged by battery corrosion, and I chose not to send it out for rebuilding.
I purchased some new-old-stock Pulsar 801 modules from an enormously helpful, former owner of a Pulsar repair facility, with the hope that I could retrofit one of those 801 modules, to this Model 2407-2 watch.
Due to the 801 module’s design, its LED display is situated higher in the Time Screen than the original display was, but this is fine.
I removed the original module and the two original, magnetic-type Command Buttons from the watch.
I decided to make new and fixed-in-position, capacitance-enabled buttons that would utilize (but not alter) the existing holes for buttons in the watchcase.
In so doing, I have preserved the ability to switch back to a magnetically-operated watch in the future, should ever I decide to.
I no longer have the access to materials and tools like I used to, so I obtained my button-making stock from the tangs of a stainless steel, steak-carving fork.
I carved and fitted these replacement buttons by hand, using the tools that I have available to me at this point in time.
The buttons are seen semi-finished in images where they are not mounted.
These buttons are now potted in epoxy, so not much effort was exerted to finish the circumferential profile of them to a high level.
Ultimately, the crown of them was finished consistent with the finish of the watch case.
The recipient watch was manufactured in approximately late 1974 and early 1975 and I decided to leave some of the ‘honest wear’ in the restored watchcase.
Each button makes the mechanical and electrical connection of a copper wire, via two tabs that were crimped over the wire like a solderless connector would be.
These copper wires were then shaped to make contact with the new module’s contacts for the time and the date functions.
Both of the copper wires loop in different directions, with one being open at the top and one being closed at the top.
This was done so that the module’s bushing could be swung into place over the contacts.
The bushing hooked under the 12 o’clock contact, and swung over the 6 o’clock one.
The bushing was needed due to the smaller outside diameter of the 801 Module in a watchcase that wasn’t intended for it.
The bushing was made from the plunger cap of a medical syringe.
I made a new battery strap for the 801 module as that the batteries have a different size and layout from the original module.
I use 393/309 batteries with this 801 module.
A wealth of information regarding such Pulsar watches can be found at this site:
Maximum DC Resistance of Center Conductor@20°C: 17.6 Ω/km
Maximum DC Resistance of Outer Conductor@20°C: 16.1 Ω/km
Nominal Velocity of Propagation: 83%
Nominal Capacitance: 80.3 pF/m
Impedance: 50±2 Ω
Shielding Effectiveness > 90dB
YSX321SL
PARAMETERS:
1. Frequency range: 8-54MHz
2. SMD/SMT crystal unit, 4 pin 3225 type
3. Excellent for reducing EMI effect
4. High precision and frequency stability
5. Customize service is supported
6. Normal load capacitance: 8pf/9pf/12pf/18pf/20pf
7. Normal temperature: -40~+85℃
8. Standard frequency tolerance: ±10PPM
9. Applications: Mobile phone, Bluetooth, W-LAN ISM band radio
YSX321SL
PARAMETERS:
1. Frequency range: 8-54MHz
2. SMD/SMT crystal unit, 4 pin 3225 type
3. Excellent for reducing EMI effect
4. High precision and frequency stability
5. Customize service is supported
6. Normal load capacitance: 8pf/9pf/12pf/18pf/20pf
7. Normal temperature: -40~+85℃
8. Standard frequency tolerance: ±10PPM
9. Applications: Mobile phone, Bluetooth, W-LAN ISM band radio
An instrument used for vehicle tracking systems and DG sets with on-site adjustable probe length. The instrument works on the principle of capacitance
Product Description:
MASTECH MS2015B Digital Clamp Meter Frequency Resistance Capacitance Multimeter
Features:
Display: 6600 digital display, dual LCD display with analog bar display
Maximum test current: 1000A
Overload protection
Data hold function
Range options: Auto range and manual range
Maximum, minimum selection function
Relative test function
AC voltage detection function (NCV)
Temperature Measurement
Test current or alternating current, when sub-LCD display has a frequency
Current testing, flashlight function
Backlight
Auto power off function
Low battery alarm function
Power supply: 9V
Security Level: IEC61010-1, CAT III 1000V
Dimensions (L * W * H): 245mm * 98mm * 50mm
Specification
Package includes as below
1 x MS2015B Clamp Meter.
1 x Test Leads.
1 x K-type Bead Thermocouple.
1 x English User Manual.
The battery is not included in the package
The key 'switches' are capacitive. Pressing a key brings a plastic flap against these pads on the PCB, increasing the capacitance between them.
The 5500A is a revolutionary product that addresses a wide cross-section of your electrical calibration work load. It sources direct voltage and current, alternating voltage and current with multiple waveforms and harmonics, two simultaneous voltage outputs or voltage and current, and simulates power with phase control, resistance, capacitance, thermocouples and RTDs.