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Electromagnetic Field Tester (EMF) - Tecpel EMF-701A
Product Description
The EMF tester is a cost effective, hand-held instrument designed and calibrated to measure electromagnetic
field radiation at different bandwidths.
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Display Micro, Tesla & Milli Gauss in the same tester.
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Data hold, Peak hold function
| Display | 3-1/2 digits. Max. indication 1999 |
| Range | 200 / 2000 milli Gauss 200 micro Tesla |
| Resolution | 0.1 / 1 milli Gauss 0.01 / 0.1 micro Tesla |
| Number of Axis | Single axis |
| Band Width | 30 Hz to 300 Hz |
| Accuracy | +/- (3% + 3d) at 50Hz / 60Hz |
| Over-Input Display | shows "OL" |
| Sampling Time Approx | 0.4 second |
| Battery | 4 pcs size AAA (Alkaline Battery) |
| Battery Life | Approx. 60 hours |
| Operating Temp and Humidity | 0oC to 40oC (32oF to 104oF) below 80%RH |
| Storage Temp and Humidity | -10oC to 60oC below 70%RH |
| Weight Approx | 172g |
| Dimension | 111(L) x 64(W) x 34(H) mm |
Included Accessories
- Manual
- Batteries
- Carry Case
Product Questions
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Cell Phone towers
Posted by Peter on 26th May 2010
Q; Hi, could I use this unit to measure Cell Phone towers. I have two sitting in range off about 2 to 300 meters away from my house. Will your unit give me a clear indication when I measure within this range and indeed when there are no towers around?
A; All meters have a range of exactly zero feet. This means that all gaussmeters, electric field meters, RF/microwave meters, etc. can only measure the strength of the field AT THE LOCATION OF THE METER.
So the next question is: if you have a meter with a certain sensitivity, how far from a source of field is it useful?
The answer to that depends on 3 factors:
1. what is the strength of the field at the source?
2. at what rate does the field decrease with distance (1/d, 1/d², 1/d³ etc.).
3. what is the pattern of radiation from the source?
-
Mobile Phone tower
Posted by Peter on 26th May 2010
Q; Hi, could I use this unit to measure Cell Phone towers. I have two sitting in range off about 2 to 300 meters away from my house. Will your unit give me a clear indication when I measure within this range and indeed when there are no towers around?
A; All meters have a range of exactly zero feet. This means that all gaussmeters, electric field meters, RF/microwave meters, etc. can only measure the strength of the field AT THE LOCATION OF THE METER.
So the next question is: if you have a meter with a certain sensitivity, how far from a source of field is it useful?
The answer to that depends on 3 factors:
1. what is the strength of the field at the source?
2. at what rate does the field decrease with distance (1/d, 1/d², 1/d³ etc.).
3. what is the pattern of radiation from the source?
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