|Description||X-ray Thickness Gage|
|Company||Toshiba America Electronic Components, Inc.|
|Datasheet||Download 7525 datasheet|
The X-ray thickness gage is used to measure the thickness of a strip continuously without contacting that strip. This gage uses the fact that the amount of radiation that passes through the strip varies with the thickness of that strip. The is a high quality thickness gage for cold rolling achieving outstanding safety, operability, accuracy and cost-performance developed over many years. It has the following features.· Noise immunity is improved by digitizing the signals between the measuring head and the equipment cabinet.
· The operation-PC uses Windows® NT, and is a user-friendly PC.· A newly-developed X-ray generator is used, providing extremely accurate measurement results with a quick response time. The TOSGAGE-7525 focuses X-ray beams finely in the strip width direction to improve thickness resolution in the strip width direction, and making it suited to measuring the shape of the section of measured materials. The TOSGAGE-7525 can also be used as a AGC backup for when the fixed thickness gage (TOSGAGE-7521/7522) has failed.
*AVR warning lamp CVVS 3C 5.5S(AC200V) CVVS 3C 3.5S(AC200V,1) CVVS 1.25S 35 NC-HIV 8S CVVS 3C 8S(AC100V) CVVS 2C 3.5S(AC100V) Special cable (power) * Measuring head CVVS 20C 1.25S(Signal) Special cable (Signal) Special cable (Signal) (Customer's CVVS 10P 1.25S(Signal) D-type Special cable (Snet) computer) Special cable (motor power supply) CVVS 1.25S(Signal) 22 CVVS M B
23 CVVS 1.25S(Signal) 5C-2V-CCY CVVS 2C 2S (reverse limit) 29 CVVS 1.25S 26 AUI 27 AUI 24 CVVS 2C 2S (forward (PG Signal) AUI Transceiver Bridge CVVS 2C 2S (standby) 34 Transceiver * Limit switch 30 CVVS 25 AUI Transceiver 21 NC-HIV 8S NC-HIV 2C 2S (line center) 1 Conditions 0BASE5 1. Apart from special cables to , all cables are (Operation-PC) the responsibility of the customer. C-type D-type Printer 2. Length of cable between equipment cabinet and 33 NC-HIV 32
automatic voltage regulator is 10m max. 8S D-type 3. Distance between automatic voltage regulator and customer's distribution board is 10m max. 4. Length of cable between driving control box and 3C 3.5S(AC100V,1) customer's distribution board is 100m max. 5.5S(AC200V,1) 5. LAN and terminators are the responsibility of the customer. (Hub) bridging and LAN separation are the responsibility of the customer. 6. The application of flame-resistant cable (judgment and liability) is the responsibility of the customer. 7. Components marked * are standard configuration components.
Measuring head 1 Equipment cabinet 1 Operation-PC 1 Automatic voltage regulator 1 Driving control box (also used as a junction box) 1 Standard accessories 1 set Safety valve (1) Flow switch (1) Limit switches (4) Sample holder (1) Cable ducts (1 set) Special cable m) (1 set) Hose m) (1 set) Standard spare parts (1 set) Fuses/lamps 1 set 2. Optional Configuration
17-type monitor Transceiver (with cables) X-ray/shutter warning lamps (for three lamps) Individual Unit Configuration Measuring head The C-Frame can be broadly divided into the Xray generator, standard changer, and detector. Each component is an individual unit and can be replaced easily.
Measuring head peripheral equipment Rails Rack and rack mounting plate Hanger rails Test samples X-ray/shutter warning lamps 1 set (red/green) Piping parts Air filter Strainer Reducing valve (for air) Reducing valve (for nitrogen) Nitrogen escape valve Nitrogen cylinder Air dryer Cooling water supply unit Oil mist separator Flow rate gage (for cooling water) Pressure switch (for air) Pressure switch (for nitrogen) Valve stand Interface (for PI/O interface with purchaser's PC) Indicator/recorder Wide angle indicator (110°) Recorder (hybrid-type) Cabinet (houses control panel, recorder, etc.) Cables Various types Hoses Various types Accessories Maintenance PC Operation-PC printer
Measuring head peripheral equipment X-ray/shutter warning lamp Limit switches Documents Contract Specifications 5 copies Contract Drawings 5 copies Test Report 5 copies Operation Manual (including maintenance) 5 copies Schematic Diagram 5 copies
When the X-rays emitted from the X-ray generator pass through the material being measured, they are scattered and absorbed by that material. The X-rays that pass through the material are received by the detector (ionization chamber) and are converted into electrical signals (ionization current) proportional to the quantity of X-rays. These signals are subjected to A/D conversion at the integrated A/D converter before being sent to the microcomputer by the highspeed serial interface. At the equipment cabinet, these signals are calculated by the microcomputer and then output as thickness signals.Integrated A/D converter Thickness gage Deviation output Detector Calibration curve
Measured material Standard changer Calibration information
Measurement Method The is a single-beam thickness gage that uses previously calibrated standard plates to create and store a calibration curve throughout the entire measurement range. The signals detected for the X-rays that have passed through the measuring material during measurements are applied to the calibration curve to derive the thickness.
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