参数资料
| 型号： | CTM051 |
| 厂商： | 3M |
| 文件页数： | 2/2页 |
| 文件大小： | 0K |
| 描述： | GROUND PRO GND INTEGRITY METER |
| 其它有关文件： | Instruments Guide |
| 标准包装： | 1 |
| 系列： | Ground Pro™ |
| 类型： | 接地完好性测量仪 |
| 使用： | 验证接地参数 |
| 特点： | 声音警报，自动调零 |
| 电源类型： | 9V 电池 |
| 包括： | 电池，外壳，测试引线，用户指南 |
| 其它名称： | 0-00-51111-05633-2 51111056332 51111162002 80000919516 SCP264 XA-0041-3993-8 XA004139938 |
Please recycle. Printed in U.S.A.
3M 2009. All rights reserved.
98-0799-0791-5
3
Electronic Solutions Division
Static Control Products
6801 River Place Blvd.
Austin, TX 78726-9000
Ordering information: 1-866-722-3736
Technical support: 1-831-459-7488
FAX 800 626-8893
www.3M.com/static
3M is a trademark of 3M Company.
Important Notice
All statements, technical information, and recommendations related to 3M’s products are based on information believed to be reliable, but the accuracy or completeness is not
guaranteed. Before using this product, you must evaluate it and determine if it is suitable for your intended application. You assume all risks and liability associated with such
use. Any statements related to the product which are not contained in 3M’s current publications, or any contrary statements contained on your purchase order shall have no force
or effect unless expressly agreed upon, in writing, by an authorized officer of 3M.
Warranty; Limited Remedy; Limited Liability.
This product will be free from defects in material and manufacture for a period of 12 months from the time of purchase.
3M MAKES NO OTHER WARRANTIES INCLUDING, BUT
NOT LIMITED TO, ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. If this product is defective within the warranty period stated
above, your exclusive remedy shall be, at 3M’s option, to replace or repair the 3M product or refund the purchase price of the 3M product.
Except where prohibited by law, 3M
will not be liable for any loss or damage arising from this 3M product, whether indirect, special, incidental or consequential regardless of the legal theory asserted.
Why a Multimeter Won’t Do
A typical multimeter measures resistance by applying DC
voltage to the circuit and measuring voltage drop. Any current
in a ground connection, which is a common occurrence in
a working tool, can easily be factored into calculations and
cause a multimeter to produce an unrealistic result, such as
negative or extremely high resistance.
The 3M Ground Pro Ground Integrity Meter's patented
technology measures ground impedance while completely
ignoring noise and currents on the ground, providing superior
accuracy in difficult conditions especially in use with a
working tool.
Specifications
Ground Impedance
Impedance Range
Automatic auto-zero for test leads
0.001 - 1.999 Ohms
EMI (noise on ground)
Bandwidth
9 kHz - 450 MHz
Measurement Range
-40 dBV ... 12 dBV
10mV ... 4 V
Measurement Type
Average, Envelope Peak
Voltage on Ground
AC (50 - 500 Hz)
DC
0.001 - 250V RMS
0.001 - 350V
Reference
Individual reference setting for each parameter
Hold
Hold, Hold Max
General
Power-Battery
9V Alkaline
Dimensions (approx.)
4.5” x 3.6” x 1.1”
114 mm x 92 mm x 28 mm
Weight
0.33 lbs.
Why EMI?
High-frequency noise (EMI) on a ground affects the operation
of equipment, potentially causing lockups and a variety of
other malfunctions. Sensitive components such as magnetic
heads are also susceptible to damage caused by excessive
noise on a ground. To properly control EMI, one must be
aware of the full range of signals present. The Ground Pro
measures high frequency noise in a wide dynamic range both
average and envelope peak signals. An audio alarm sounds
when EMI exceeds a set level.
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