關于SWAIN METER電流環(huán)及電流表常見問題及應用
Swain Meter常見問題
Swain Meter FAQ
什么是Swain Meter？
Swain Meter是精密制造和校準的便攜式儀表，配有夾鉗和夾環(huán)，用于測量大氣、地下或水下導體上的電流大小和方向。它們適用于交流或直流。適用于可能存在腐蝕問題的管道、管道、電纜、支架、鋼筋和其他結構。
What are Swain Meters?
Swain Meters are precision built and calibrated portable meters, coupled with clips or clamps, used to measure current magnitude and direction on conductors in the atmosphere, underground, or under water. They as suitable for AC or DC. They are ideal for pipe, pipelines, cables, supports, rebar and other structures where corrosion may be a problem.
Swain Meters與其他鉗形儀表有何不同？
所有Swain Meters均采用磁誤差減少 (MER) 技術。這大大降低了地球磁場的影響，這會在所有其他鉗形儀表的測量中引入誤差。
What sets Swain Meters apart from other clamp-type meters?
All Swain Meters utilize Magnetic Error Reduction (MER) technology. This greatly reduces the effect of the Earth’s magnetic field, which introduces errors into the measurements of all other clamp-type meters.
夾鉗和夾環(huán)有什么區(qū)別？
夾鉗是單件式彈簧加載傳感器，可以通過壓縮手柄進行安裝和拆卸。夾鉗的尺寸范圍從 3/4”到 6”直徑。夾環(huán)是較大的傳感器。它們被制造成匹配的半圓，并用螺栓固定在導體周圍以進行測量。夾環(huán)的尺寸范圍從 6”到 60”直徑。 可按需生產(chǎn)定制尺寸。
What is the differences between clips and clamps?
Clips are single-piece, spring loaded sensors, which can be installed and removed by compressing a handle. Clips range in size from 3/4” to 6” diameter. Clamps are larger sensors. They are manufactured as matching half-circles, which are and bolted together around the conductor to perform measurements. Clamps range in size from 6” to 60” diameter. Custom sizes can be produced on demand.
MER和MER2傳感器有什么區(qū)別？
MER代表Magnetic Error Reduction，它可以最大限度地減少磁干擾問題。MER是較舊且較便宜的傳感器（夾鉗和夾環(huán)）技術。MER2是一種更新的傳感器技術，與MER相比，它可將磁干擾減少2或3倍，并將零誤差減少一半。
What is the difference between MER and MER2 sensors?
MER stands for Magnetic Error Reduction, which minimizes magnetic interference problems. MER is the older and less expensive sensor (clip and clamp) technology. MER2 is a newer, patented sensor technology, which reduces magnetic interference by a factor of 2 or 3 and cuts zero errors in half compared to MER.
Swain Meters可以達到什么精度？
Swain Meters在3/4”到13”夾鉗和夾環(huán)上的分辨率為1毫安 (mA)，在14”到24”夾環(huán)上的分辨率為1到10 mA，在15” 到60”的夾環(huán)上分辨率為1到100 mA。
What precision can a Swain Meter achieve?
Swain Meters are capable of a 1 milliampere (mA) resolution on 3/4” to 13” clips and clamps, 1 to 10 mA on 14” to 24” clamps, and 1 to 100 mA resolution on 15” to 60” clamps.
Swain Meters是用于防腐蝕、故障定位和質(zhì)量保證的現(xiàn)場便攜式非接觸式電流表。它們在正常的現(xiàn)場條件下準確、方便且無故障，即使對于水下測量也是如此。
Swain Meters are field-portable, non-contact ammeters for corrosion protection, fault location, and quality assurance. They are accurate, convenient, and trouble-free under normal field conditions, even for underwater measurements.
確定電流大小和方向。
定位短路和干擾。
非常適合陽極、天然氣和石油管道、混凝土和鋼柱的電流測量。
Determine current magnitude & direction.
Locate shorts & interference.
Ideal for current measurement for anodes, gas & oil pipelines, concrete & steel columns.
Swain Meter應用
Swain Meter Applications
能源傳輸——石油、天然氣、電力
雜散電流識別
法蘭泄漏
感應交流測量
直埋以進行長期監(jiān)測
Energy transmission – oil, natural gas, electricity
Stray current identification
Flange leakage
Induced AC measurement
Direct burial for long-term monitoring
腐蝕控制
結構識別
外部接觸位置
CP 系統(tǒng)電路診斷
Corrosion control
Structure identification
Foreign contact location
CP system circuit diagnostics
發(fā)電
電池浮充和負載電流
塔柱干擾
蓋線電流消耗
接地系統(tǒng)電流消耗
Power generation
Battery float charge and load current
Tower leg interference
Guy wire current drain
Grounding system current drain
海洋
碼頭/平臺陽極電流
螺旋槳漏電流
海底至 700 英尺深處
Marine
Dock/platform anode current
Current leakage from propeller
Undersea to depths of 700 ft
汽車
電氣系統(tǒng)中的電流泄漏
交流發(fā)電機和電池診斷
Automotive
Current leakage in electrical system
Alternator and battery diagnostics
乳制品
制奶過程中的交流識別
Dairy
AC identification in milking process
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