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Digital gram scale weighing the ease of use have been times in the various industries and has been widely used. It not only has high-precision measurement, but also achieved multi-functional, multi-purpose. Current domestic production of digital scales manufacturers has grown to hundreds, mainly in the non-automatic weighing instruments and automatic weighing instruments based.

The introduction of digital weighing technology from the past into the self-development and design of the period, especially for non-automatic weighing instrument's weighing display controller of leaps and bounds. Automatic weighing and weighing hair divided into two categories of non-automatic weighing instruments, commonly used on the market non-automatic weighing instruments. It is mainly used for trade settlement, is also the most contact with the masses of digital weighing, for example, one commonly used price computing scale, digital scales and digital truck scale. automatic weighing instruments are generally more common in industrial and mining enterprises in the batching scales, quantitative packing scale and so on. digital weighing scales mainly by display controller, load cell, and electrical control components, and the rational use of load cell weighing display controller is to determine the quality of plant products the key, which determines the scale of accuracy, reliability, and failure factors and other parameters. How to buy digital scales and weighing a reasonable display controller that the user most concerned about.

First, the digital Scales of purchase

Weighing on the market at present an accuracy grade (III)-level scale, showing the general sub-degree level of 3000 points, the minimum scale value is based on weighing the size ranging from 1g to 50 kg, (for example, the digital Price Computing Scale 15 kg indexing indexing the minimum value of 5g). At the time of purchase: If the price computing scale with 15 kg case.

1.In the empty state and the largest weighing scale state figures show steady (not blinking).

2. With the largest weighing one-third of the weight (or close to the value of the property) placed in the scale table 1 / 4 (to be shared equally weighing table 4) test points within the figures are the same.

3. If conditions take the largest weighing standard weights placed on the scales on the table to test their accuracy.

4. Taken close to the maximum standard Gram weighing Scales weighing (or close to the value of the weight) 3 times repeated loading, testing various figures are the same.

5. According to the function keys, test each function key is good contact, whether the purpose.

Second, the weighing of the Optional display controller

1. The instrument of its functions to sub-types: a single-function, multi-functional and special instruments. Characteristics of the sensor output signal can be connected with the sensor analog output signal can also be connected with digital output signal of the sensor, there are still pricing function, has a multi-purpose table. The series of single-function measuring instrument has A1 --- type, A2 --- counting type and so on.

2. Multi instrument and multi-functional advantages and disadvantages of single-function instrument instrument: its adaptability, can be widely used in various non-automatic with digital scales and automatic digital weighing. But the software development cycle length and the high cost of hardware support, so its manufacturing cost is higher. Single-function instruments: the software development cycle is short, the hardware is also less, so it's relatively low manufacturing costs. Special instrument. manufacturing costs between the single function and multifunction. In terms of the use of failure rate, compared to higher function.

3. Select the instrument consider the issue

a. Select the type of instrument should be the actual needs, rather than the select function better.

b. Production of measuring instruments to obtain permits selection of products.

c. The technical indicators are in line with national standards for weighing display controller.

d. key to assessing their compliance with security requirements.

4. International and domestic weighing display controller dynamic domestic development and production of the instrument is currently a scale with only a general statement, the foreign production of the instrument has been able to use a table with multiple scales simultaneously. Its software features and hardware support can be shared, so that relatively lower manufacturing costs, the use of management costs are also reduced.

5. Note the development of new instrumentation, we should pay attention to the reliability of safety performance, its technical requirements and measurement of the number should be consistent with international recommendations OIML76 the main provisions of the document request, especially in terms of interference with particular attention. This is a general purchase of checks, but can reflect the performance of display technology and the functional requirements of the norm.

6. Maintenance and repair is the proper use and timely maintenance to extend the service life of critical equipment, measuring equipment used to make sure the required environment, the innocent in order to avoid damage to equipment must be familiar with the instruction manual before operating and technical instructions in the confirmation only after use.

KORG metronome series clip on guitar tuner is the world's top brand products, design a wide range of modulation of any instrument can be used as an object, KORG a global sales of a staggering 2 million pieces, proved the existence of strength, but also demonstrates the brand's market competition KORG ability, and favored by users of such a high level.

Here are KORG guitar tuner boutique type display, a foot, rack-mount, portable, line type, table type, but also electric guitar classes, acoustic guitar classes.

1. Pitchblack
Is guitar, bass acoustic guitar tuner necessary. High precision, advanced features, is the Korg today's top products. Sizes as small as small effects, regardless of tour or in the studio can be used to withstand the most demanding environments. LED pitch count in the brightest in the darkest environment are clearly visible. 100% true bypass output, no sound effects. Pitchblack design easy integration with other sound effects pedals, easy to put the pedal rows. A DC OUT jack, use the AC adapter (optional) when the pedal to the other sound transmission.

2. PitchBlack +
Advanced digital chromatic tuner, guitar / bass tuner. Cast aluminum material used to construct strong and stable. Is the flagship model pedal tuner, high accuracy, both professional guitarist and technical staff to facilitate use of the additional features.
PitchBlack + Advanced digital chromatic tuner, guitar / bass tuner

3. AW-2 / AW-2G clip-style tuning table
More flexible and better! Now describe AW-2/AW-2G, suitable for all instruments and to ensure that the adjustment of the clip clearly-style tuning table.
Music folder directly on the tube or stringed instruments, like your wireless connection free chromatic tuner clip-style tuning table
AW-2 includes two clips (large and small) to accommodate a wide variety of musical instruments orchestra
AW-2G, with excellent dual guitar globular head-specific clip joint, so that the display part to greater mobility and multi-angle.
With backlight illumination, even in dark places to ensure good visibility can be power-saving features, when there is no audio input, it will automatically switch to power saving mode
Korg with the clip design, safety and suitable for a wide variety of musical instruments.
Effective use of the best features built-in microphone and pressure sensor.
Beautiful, authentic, harmonious labeling showed that a third major and pure minor third interval.
Reverse dashboard feature allows you to view visual tuning from any function can accommodate a variety of different categories during the concert pitch.
Even if you forget to turn off console table, auto off feature that enables the longest battery life.

4. Pitchjack
Advanced electronic guitar tuner, guitar / bass tuner. Cast aluminum material used to construct strong and stable. Is the flagship model pedal tuner, high accuracy, both professional guitarist and technical staff to facilitate use of the additional features.
Pitchjack + Advanced digital chromatic tuner, guitar / bass tuner.

5. GA-30
High definition, the pointer type of LCD used to display the tuning instructions Largest adjustable five semitones Support for 7 string guitars and 6 string bass tuning Supports a number of types of guitar tuning. Internal speaker can generate a reference sound (sound output)? built-in sensitive microphone for tuning? pitch monitoring range (B0-B6). If you forget to turn off the power off automatically to save battery power.

6. GA-40
GA-40 dedicated Guitar / Bass design, with outstanding performance and convenience features. Large size, high definition, the pointer type of LCD used to display the tuning instructions. Quinta-flat tuning mode allows 1-5 semitones Support for 6 string guitars and 6 string bass tuning. Send an audio feature can be internal speaker generate a reference tone with output interface, a microphone and folding frame. If you forget to turn off the power off automatically to save battery power memory backup function about 85 hours for continuous use.

KORG metronome series clip on guitar tuner is the world's top brand products, design a wide range of modulation of any instrument can be used as an object, KORG a global sales of a staggering 2 million pieces, proved the existence of strength, but also demonstrates the brand's market competition KORG ability, and favored by users of such a high level.

Here are KORG guitar tuner boutique type display, a foot, rack-mount, portable, line type, table type, but also electric guitar classes, acoustic guitar classes.

1. Pitchblack
Is guitar, bass acoustic guitar tuner necessary. High precision, advanced features, is the Korg today's top products. Sizes as small as small effects, regardless of tour or in the studio can be used to withstand the most demanding environments. LED pitch count in the brightest in the darkest environment are clearly visible. 100% true bypass output, no sound effects. Pitchblack design easy integration with other sound effects pedals, easy to put the pedal rows. A DC OUT jack, use the AC adapter (optional) when the pedal to the other sound transmission.

2. PitchBlack +
Advanced digital chromatic tuner, guitar / bass tuner. Cast aluminum material used to construct strong and stable. Is the flagship model pedal tuner, high accuracy, both professional guitarist and technical staff to facilitate use of the additional features.
PitchBlack + Advanced digital chromatic tuner, guitar / bass tuner

3. AW-2 / AW-2G clip-style tuning table
More flexible and better! Now describe AW-2/AW-2G, suitable for all instruments and to ensure that the adjustment of the clip clearly-style tuning table.
Music folder directly on the tube or stringed instruments, like your wireless connection free chromatic tuner clip-style tuning table
AW-2 includes two clips (large and small) to accommodate a wide variety of musical instruments orchestra
AW-2G, with excellent dual guitar globular head-specific clip joint, so that the display part to greater mobility and multi-angle.
With backlight illumination, even in dark places to ensure good visibility can be power-saving features, when there is no audio input, it will automatically switch to power saving mode
Korg with the clip design, safety and suitable for a wide variety of musical instruments.
Effective use of the best features built-in microphone and pressure sensor.
Beautiful, authentic, harmonious labeling showed that a third major and pure minor third interval.
Reverse dashboard feature allows you to view visual tuning from any function can accommodate a variety of different categories during the concert pitch.
Even if you forget to turn off console table, auto off feature that enables the longest battery life.

4. Pitchjack
Advanced electronic guitar tuner, guitar / bass tuner. Cast aluminum material used to construct strong and stable. Is the flagship model pedal tuner, high accuracy, both professional guitarist and technical staff to facilitate use of the additional features.
Pitchjack + Advanced digital chromatic tuner, guitar / bass tuner.

5. GA-30
High definition, the pointer type of LCD used to display the tuning instructions Largest adjustable five semitones Support for 7 string guitars and 6 string bass tuning Supports a number of types of guitar tuning. Internal speaker can generate a reference sound (sound output)? built-in sensitive microphone for tuning? pitch monitoring range (B0-B6). If you forget to turn off the power off automatically to save battery power.

6. GA-40
GA-40 dedicated Guitar / Bass design, with outstanding performance and convenience features. Large size, high definition, the pointer type of LCD used to display the tuning instructions. Quinta-flat tuning mode allows 1-5 semitones Support for 6 string guitars and 6 string bass tuning. Send an audio feature can be internal speaker generate a reference tone with output interface, a microphone and folding frame. If you forget to turn off the power off automatically to save battery power memory backup function about 85 hours for continuous use.

Every year, more than a million people worldwide lose their driving license as a result of driving under the influence of alcohol. In Germany, for example, there are 70,000 road accidents a year involving people who are alcohol-impaired. It is a common knowledge that after a long night of drinking, activities such as driving should be avoided. Whether police want to check a driver’s potential blood alcohol level or if you want to better judge your own current state of intoxication, Alcohol Breathalyzer is a useful devices in detecting and analyzing the amount of alcohol in your body.

Alcohol is absorbed into the body at a much quicker rate than food. On an empty stomach, 20 percent of alcohol is absorbed immediately into the bloodstream. The average person’s body breaks down alcohol at a rate of 20 to 30mg/dL per hour. The standard rate of alcohol excretion is 0.015 blood alcohol content points (BAC) per hour. Alcohol Breathalyzer use BAC to show the current measure of alcohol in your body via a breath analysis.

Alcohol is either metabolized by the body or excreted via breath, sweat or urine. Alcohol Breathalyzer work by measuring the concentration of alcohol in the air exhaled by an individual. Alcohol concentration of the breath is at around a 2100:1 ratio in relation to the concentration in the blood. Breathalyzers utilize either electrochemical fuel cell sensors, semiconductor oxide sensors or infrared spectrophotometer to identify the alcohol content of an Types of Breathalyzers.

As mentioned earlier, there are three types of breathalyzers. Electrochemical fuel cell sensors are accurate in addition to being conveniently handheld. A fuel cell in the device measures alcohol levels through a chemical reaction that oxidizes the alcohol present and produces an electrical current. More alcohol equals a greater current and the readings are shown accordingly. Breathalyzers using infrared spectrophotometer, on the other hand, are large table-top devices that identify alcohol by the way light is absorbed by the breath sample being examined. These are often only found in research centers or at police stations, because of their size. Semiconductor oxide sensors are the most recent development in breathalyzer technology. They use an ethanol-specific sensor to measure BAC and are growing in popularity due to low costs, small size and extremely accurate readings.

The length of time that breathalyzers are able to detect alcohol varies. For the most part, breathalyzers can detect even the smallest amount of alcohol in a person’s system. However, the concern for most people is that their blood alcohol levels be under the legal limit for being considered intoxicated. In the U.S., an individual’s BAC needs to be under 0.04 to pass a breathalyzer test while 0.08 is considered drunk. As mentioned earlier, 0.015 BAC is the standard rate that alcohol leaves the body. To determine the number of hours needed for your body to be free of alcohol, simply take a breathalyzer reading and divide it by the standard. For example, if a breathalyzer gave a BAC reading of 0.150, divide 0.150 by the standard 0.015, which will equal 10. This means that it will take 10 hours for the alcohol to clear your body.

Since they do not measure blood alcohol content directly, Alcohol Breathalyzer is prone to error. Various factors such as body temperature, blood composition, presence of blood in the mouth or acid reflux can play a role in creating inaccurate readings. Also, there are many compounds found in the body, such as keystones, that are chemically similar to alcohol, and high levels of such compounds could produce a falsely high reading. Devices using semiconductor oxide sensors have proven to be the most accurate, with accuracy levels of ±0.01 percent at 0.10 percent BAC.

Apple iPad technical support documents for wireless wifi dongle network connection issues update through software update that way iPad Wi-Fi connection problems to repair.

Symptoms

IPad a very small part of the Wi-Fi users experiencing network connectivity problems, this paper outlines a solution to this problem. Apple iPad software updates through the rest of the way on the Wi-Fi connection problems to repair.

Solution

If you connect to a particular Wireless Network Bridge connection problems are always encountered, try the following steps to resolve the issue:

First: Wi-Fi router firmware update

Second: Make sure your Wi-Fi router firmware is up to date:

If you are using AirPort Base Station Router, see this article get firmware updates; If you are using a third-party router, please check the manufacturer updates the firmware on the website.

First: Use WPA or WPA2 wireless security standards

Second: Please check your Wi-Fi router's wireless security options, if you are using WEP, WPA or WPA2, try encryption.

Third: Some use WEP encryption Wi-Fi router can cause intermittent connection iPad disconnected, and the need to re-enter the password. Use WPA or WPA2 encryption method to correct the problem.

Note: relative to the older WEP protocol, WPA and WPA2 is the newer, more cost-effective wireless network security options.

First: Adjust the screen brightness

Second: Please check your iPad screen brightness is set too low (set to> the screen brightness and wallpaper), if the brightness is too low, you move the button to the right transferred to lighter, and turn off "automatically adjust brightness" option.

Tip: iBooks application also applies to the brightness adjustment.

First: Update the IP address

Second: In some larger wireless network may need to update your IP address (Settings> Wi-Fi> select Network> renewal)

Third: If the problem persists, turn off the 802.11 Wireless Bridge network, and then on again.

If the above steps do not solve the problem, please contact Apple, or wait for the iPad software updates.

And you should check this product, IEEE 802.11B/G Wireless WIFI Dongle Bridge For Dreambox Xbox PS3 will help you:

This item can operate with any ethernet-enabled devices, such as desktop computer, network printer, laptop computer, Router, ADSL, or a security camera. It is operating system independent and can be used with any Microsoft Windows, Linux or MAC OS operating system. By applying this powerful and high speed networking solution, you just need to plug this adapter into AC power socket and then connect it to PC's Ethernet port. Through the wider bandwidth support, efficient data flow streaming becomes the reality for people and it led human in the real digital life style.