Summary of CTM051
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3m ™ ground pro ground integrity meter model ctm051 user’s guide.
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1 3m ™ ground pro ground integrity meter model ctm051 safety information read, understand, and follow all safety information contained in these user instructions prior to use of the 3m ground pro ground integrity meter model ctm051 . Retain these user instructions for future reference. Explanation o...
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2 warning to reduce the risks associated with environmental contamination: when working with the automated equipment, always observe safety precautions as • recommended by equipment manufacturer and your company’s practices caution to reduce the risks associated with environmental contamination: dis...
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3 the 3m ™ ground pro ground integrity meter is a comprehensive instrument that measures the ground connection of your equipment in accordance with ansi 6.1 and ansi/esda s.20.20 standards. In addition to measuring ground impedance, it also measures ac and dc voltage on the ground as well as the pre...
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4 brief tour of your 3m ™ ground pro ground integrity meter please refer to the rest of this user’s guide for detailed explanations of each control, indicator and connection. Display banana jacks keypad battery compartment (on the back).
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5 overview the 3m ™ ground pro ™ ground integrity meter measures several important parameters of ground integrity: ground impedance, voltage, and high-frequency noise (emi) on a ground. Ground connectivity is measured in accordance with ansi 6.1, ansi/esda s.20.20 and other standards. More specifica...
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6 low-battery indicator when battery voltage gets low (less than 20% capacity remains), the low battery indicator on the display appears. At this point it is a good idea to install a new battery to assure optimal performance. Turning unit on and off on press the power/c button. The battery voltage w...
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7 impedance measurements depress the ohms button to go into ground impedance mode. You should see a screen similar to the one shown on the right. The impedance mode is indicated by “oh” on the bottom display line. Scaling the 3m ™ ground pro ground integrity meter has four different scales for measu...
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8 voltage measurements the presence of voltage on a ground is never desirable. The 3m ™ ground pro ground integrity meter can measure both ac and dc voltages on a ground. Ac voltage press the v button once. The ground pro will switch to ac voltage measurement mode and you should see a screen similar...
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9 using reference with voltage measurements using reference with impedance measurements the reference function helps to set limits at which an audio alarm sounds to indicate that the measured impedance is below the specified limit. Unlike a regular multimeter, the 3m ™ ground pro ground integrity me...
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10 emi measurements high frequency noise (emi) on a ground causes equipment malfunction and damage to sensitive components. The 3m ™ ground pro ground integrity meter measures high-frequency noise on a ground in a wide frequency and dynamic range. High-frequency noise is measured in two different un...
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11 using reference with emi reference mode is helpful if you wish to hear an audio alarm whenever the emi signal exceeds a certain level. In order to use this mode, depress the ref button while in any of the emi screens. You should see the ref indicator at the top of the display. The bottom line of ...
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12 specifications impedance range 0.001 – 1.999 ohms automatic auto-zero for test leads emi (noise on ground) bandwidth 9khz – 450mhz measurement range 80 dbuv – 140 dbuv 10 mv – 10 rms measurement type average envelope peak voltage on ground ac (50 – 500 hz) 0.001 – 270 v rms dc 0.001 – 400 v refer...
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13 3m ™ ground pro ground integrity meter model ctm051 regulatory information this symbol, per marking for the control of pollution caused by electronic information products, sj/t11364-2006, means that the product or part does contain a substance, as detailed in the chart below, in excess of the fol...
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14 产品中有毒有害物质或元素的名称及含量 name and content of hazardous substances or elements 部件名称 (part or component name) 有毒有害物质或元素 (hazardous substances or elements) 铅 (pb ） 汞 （ hg ） 镉 （ cd ） 六价铬 （ cr(vi) ） 多溴 联苯 （ pbb ） 多溴二 苯醚 （ pbde ） 电容引脚 (termination in capacitor) × ○ ○ ○ ○ ○ 电位器中的电阻油墨 (resistor ink in potentio...
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Please recycle. Printed in u.S.A. © 3m 2009. All rights reserved. 78-9100-6154-4 electronics solutions division static control products 6801 river place blvd. Austin, tx 78726-9000 866-722-3736 www.3mstatic.Com important notice all statements, technical information, and recommendations related to 3m...