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德国FISCHER电导率仪探头 FS40 / FS40LF

FS40 / FS40LF探头根据DIN EN 2004-1和ASTM E 1004来测量非磁性金属材料的电导率

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工作时间:8:00-17:45

探头根据DIN EN 2004-1和ASTM E 1004来测量非磁性金属材料的电导率。由于集成了温度传感器,所有探头都适合进行温度校正的测量,并自动显示标准化为20°的电导率值 C(68°F)。 所有探头均以不同的频率工作,因此能够测量各种材料深度。 使用的测量方法可以进行无接触测量,也可以在非导电面漆(如漆面或塑料盖)下进行测量。可用于:

        • 物料分类
        • 检查热损伤和材料疲劳
        • 关于热处理材料的硬度和强度的结论
        • 金属纯度的测定
        • 合金质量标准
        • 热喷涂层评估
        • FS40LF,用于测试硬币合金和小贵金属的真伪的附加功能


Probe FS40 and FS40LF 技术参数
  FS40 FS40LF
探头设计: Axial single tip probes with spring-loaded measuring system
应用: Determination the electrical conductivity of non-ferrous metals (NF)
测量范围: 5... 108 %IACS
探头频率: 60 kHz, 120 kHz, 240 kHz & 480 kHz 15 kHz, 30 kHz, 60 kHz & 120 kHz
误差: Trueness 1...100 %IACS: ≤ 2 % of nominal value 1...100 %IACS: ≤ 1 % of nominal value
Based on Fischer factory calibration standards with +20°C (+68°F) material temperature
重复精度:
Depending on probe frequency
60 kHz: ≤ 0.10 %IACS of reading
120 kHz: ≤ 0.15 %IACS of reading
240 kHz: ≤ 0.20 %IACS of reading
480 kHz: ≤ 0.35 %IACS of reading
Depending on probe frequency
15 kHz: ≤ 0.1 %IACS of reading
130 kHz: ≤ 0.1 %IACS of reading
160 kHz: ≤ 0.1 %IACS of reading
120 kHz: ≤ 0.15 %IACS of reading
Based on Fischer factory calibration standards, 5 single readings per standard, standard with +20°C material temperature
Influences: Depending on material and used probe frequency - The following values are valid for a sufficient material thickness which depends on the used probe frequency
Material Thickness Th:
No measurement deviation within the trueness for Th ≥ Thmin Depending on the electrical conductivity of the material the minimal material thickness Thmin can be computed according to the following equation:
equation
f = Probe frequency in Hz
σ = Electrical conductivity of the material in %IACS
K ≈ 0.9, specific probe factor
Examples Depending on probe frequency
460 kHz: ≤ 0.10 %IACS of reading
120 kHz: ≤ 0.15 %IACS of reading
240 kHz: ≤ 0.20 %IACS of reading
480 kHz: ≤ 0.35 %IACS of reading
Examples Depending on probe frequency
15 kHz: ≤ 0.1 %IACS of reading
130 kHz: ≤ 0.1 %IACS of reading
160 kHz: ≤ 0.1 %IACS of reading
120 kHz: ≤ 0.15 %IACS of reading
Edge Distance (R), Specification From Probe Tip Centre: For all probe frequencies- No measurement error within the trueness as of R ≥ 7 mm / 0.28" - Probe needs a minimum of R = 7 mm / 0.28"
Edge Distance Measuring spot in the centre of the circular surface
Edge Distance (X), Specification From Probe Tip Centre: For all probe frequencies - No measurement error within the trueness as of X ≥ 7 mm / 0.28"
Measuring spot Edge Distance X
Curvature (R), measurement deviation from the nominal value with reference to master calibration on flat surface:
For 60, 120, 240, 480 kHz
Compensation of curvature for R = 3...50 mm (0.12...1.97" ) by entering the diameter of curvature into the instrument No measurement error within the trueness as of R ≥ 50 mm / 1.97"
For 15 kHz
No measurement error within the trueness as of R ≥ 48 mm / 1.89" Error ≥ 10 % for R ≥ 10.3 mm / 0.41"
For 30 kHz
No measurement error within the trueness as of R ≥ 45 mm / 1.77" Error ≥ 10 % for R ≥ 9.5 mm / 0.37"
For 60 kHz and 120 kHz
Compensation of curvature for R = 3... 50 mm (0.12...1.97") by entering the diameter of curvature into the instrument No measurement error within the trueness as of R ≥ 50 mm / 1.97"
Measurement with measurement prism (grip ring 2) from the scope of supply. Probe needs a minimum of R = 1 mm / 0.04" Measurement deviation
Distance Compensation (Measurement through a lacquer or plastic coating):

Thickness of an air gab, plastic foil or lacquer coating. Distance compensated up to a thickness of 500 µm / 0.02" max. error: 1 % of reading

Valid for measuring range - 0.5...108 %IACS Valid for measuring range - 5... 100 %IACS
允许的工作环境温度 -10°C...+40°C / +14°F...+104°F
表面温度 max. +40≥C / +104°F
防潮 No
针尖材料 Plastic
针尖可更换: No
测量方法: 相敏涡流法
标配: Probe, measurement prism (grip ring 2), Cu standard approx. 100 %IACS
尺寸: Cable length: 1.5 m / 59.06", other cable lengths on request
diagram

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