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TT240涂層測厚儀Coating thickness gauge
本儀器是一種手持式測量儀，它能快速、無損傷、精密地測量非磁性金屬基體上非導電覆蓋層的厚度。可廣泛用于在制造業、金屬加工業、化工業、商檢等檢測領域。本儀器是材料保護專業必備的儀器。本儀器符合以下標準： GB/T 4957─1985 非磁性金屬基體上非導電覆蓋層厚度測量 渦流方法 JB/T 8393─1996 磁性和渦流式覆層厚度測量儀 JJG 818─93 《電渦流式測厚儀》功能特點：
本儀器采用了渦流測厚法，可無損傷地測量非磁性金屬基體上非導電覆蓋層的厚度（如銅、鋁、鋅、錫等基底上的琺瑯、橡膠、油漆鍍層）
具有兩種測量方式：連續測量方式（CONTINUE）和單次測量方式（SINGLE）；
具有兩種工作方式：直接方式(DIRECT)和成組方式(APPL)；
設有五個統計量：平均值（MEAN）、最大值（MAX）、最小值（MIN）、測試次數（NO．）、標準偏差（S．DEV）；
可進行零點校準和二點校準，并可用基本校準法對測頭的系統誤差進行修正；
具有存貯功能：可存貯350 個測量值；
具有刪除功能：對測量中出現的單個可疑數據進行刪除，也可刪除存貯區內的所有數據，以便進行新的測量；
可設置限界：對限界外的測量值能自動報警；
具有打印：可打印測量值、統計值；
具有與PC 機通訊的功能：可將測量值、統計值傳輸至PC 機，以便對數據進行進一步處理；
具有電源欠壓指示功能；
操作過程有蜂鳴聲提示；
具有錯誤提示功能；
具有自動關機功能
技術參數：
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測頭類型 |
N |
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測量原理 |
電渦流 |
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測量范圍 |
0-1250um/0-40um(銅上鍍鉻) |
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低限分辨力 |
1µm(10um以下為0.1um) |
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探頭連接方式 |
分體式導線連接 |
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示值誤差 |
一點校準(um) |
±[3%H+1.5] |
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兩點校準(um) |
±[（1%~3%）H+1.5] |
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測量條件 |
最小曲率半徑(mm) |
凸3 凹10 |
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基體最小面積的直徑(mm) |
ф5 |
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最小臨界厚度(mm) |
0.3 |
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溫濕度 |
0~40℃ |
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統計功能 |
平均值（MEAN）、最大值（MAX）、最小值（MIN）、 |
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工作方式 |
直接方式(DIRECT)和成組方式(Appl) |
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測量方式 |
連續測量方式（CONTINUE）和單次測量方式（SINGLE） |
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上下限設置 |
無 |
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存儲能力 |
350 個測量值 |
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打印/連接計算機 |
可選配打印機/能連接電腦 |
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關機方式 |
手動和自動 |
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電源 |
二節AA型堿性電池 |
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外形尺寸 |
152×47×35mm |
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重量 |
370g |
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基本配置：
主機
標準片一套（50um 100um 200um 500um 1000um）
鋁基體
二節AA型（5號）1.5V電池
儀器保護套
可選附件：TA230打印機
TT240 coating thickness tester Coating thickness gauge
This instrument is a measuring instrument, it can fast, no damage, precision measurement of non magnetic metalconductive cover layer thickness. Can be widely used in manufacturing, metal processing industry, chemical industry, commodity inspection and testing field. This instrument is the material protection professional necessary instruments. The instrument to meet the following criteria: GB/T 4957 - 1985 of non magnetic metal non conductive coating JB/T layer thickness measuring eddy current method for 8393 - 1996 of magnetic and eddy current measuring instrument forcoating thickness of JJG 818 - 93 "eddy current thickness measuring instrument"
Function characteristics:
The instrument adopts eddy current thickness method,can be nondestructively measuring non-conductive coverlayer thickness of the non magnetic metal (such ascopper, aluminum, zinc, tin and other substrate enamel,rubber, paint coatings)
With two measurement mode: continuous measurement of mode (CONTINUE) and single measurement(SINGLE);
Has two operation modes: direct mode (DIRECT) andburst mode (APPL);
With five statistics: Average (MEAN) (MAX), maximum value, minimum value (MIN), the number of tests (NO.),standard deviation (S.DEV);
For zero calibration and two point calibration, systemerrors on the measuring head and available basic calibration method was modified;
With storage function: can be stored 350 measurements;
Has a delete function: single suspicious datameasurements appear to delete, can also delete all data within the storage area, in order to carry out new measure;
Can set the gauge: to gauge measurements canautomatic alarm;
Print: print measurement, statistical value;
With PC communication function: the measurement,statistical values are transmitted to the PC machine, in order to further processing of data;
Has undervoltage indication function;
Operation beep prompt;
With error function;
With automatic shutdown function
Technical parameters:
Probe type
N
The measuring principle
Eddy current
Measuring range
0-1250um/0-40um (copper chrome)
The lower limit of resolution
1 µ m (10um 0.1um)
Probe connection
Split type wire connection
Error of indication
One point calibration (UM)
± [3%H+1.5]
A two-point calibration (UM)
+ [(1%~3%) H+1.5]
Measuring conditions
The minimum radius of curvature (mm)
Convex concave 10 3
The minimum area of base diameter (mm)
Phi 5
The minimum critical thickness (mm)
0.3
Temperature and humidity
0~40 ℃
20%RH to 90%RH
Statistical function
The average value (MEAN), maximum value, minimum value (MAX) (MIN),
The number of tests (NO.), standard deviation (S.DEV)
Working mode
The direct mode (DIRECT) and burst mode (Appl)
Measuring mode
Continuous measurement of mode (CONTINUE) andsingle measurement (SINGLE)
Limit set
No
Storage capacity
350 measurements
Print / connected computer
Optional printer / can connect computer
Shutdown mode
Manual and automatic
Power Supply
The two section AA type alkaline battery
Size and shape
152 x 47 x 35mm
Weight
370g
The basic configuration:
Host
A set of standard (50um 100um 200um 500um 1000um)
Aluminum matrix
Two section AA (5) 1.5V cell
Instrument protective sleeve
Optional accessories: TA230 printer
