Trifield ® Meter 100XE
Trifield ® Meter measures all three types of electromagnetic field: AC
magnetic field, AC electric field, and radio (including microwaves). The magnetic
and electric detectors are 3-axis, making the meter easier to use than comparable
1-axis meter.
*The Radio/Microwave section of this meter reads most modern radio sources
(50 MHz - 3 GHz). For lower radio frequencies and/or stronger radio sources
(such as measuring the field near a transmitter), see the Trifield® BroadBand Meter.
Product Description:
The Trifield ® Meter is a gaussmeter, electric field meter, radio field
strength meter in a single until. When measuring electromagnetic fields (EMF’s),
the primary concern is usually magnetic fields, which can be tricky to measure.
If a less sophisticated 1-axis gaussmeter is used, a reading of zero could
result even where the field is strong. A 1-axis meter must be oriented correctly
to measure the field (which is a vector). The 3-axis Trifield Meter solves
that problem by measuring the true strength of the field regardless of which
way it is oriented. Therefore, the Trifield Meter can be scanned rapidly across
an area without having to stop at each point to search for the orientation
that gives a maximum reading. Another section of the meter detects AC electric
fields, which can exist independently of AC magnetic field. The third section
detects radio/microwave, such as from a leaky microwave oven. (Full
Length Description)
Features:
- Detects the three type of electromagnetic pollution: AC magnetic fields,
AC electric fields, and radio/microwaves.
- AC magnetic and electric fields are 3-axis, allowing quick accurate readings
regardless of meter orientation.
- Two magnetic ranges cover 0.2-100 milligauss.
- This is sufficiently sensitive to detect the background field almost anywhere
(except for from civilization), while measuring up to very strong AC fields.
- Electric range covers 5-1000 V/m (or .5-100 kV/m with original version
of the Trifield Meter)
- Radio/microwave covers 10 to 1000 microwatts/square cm which includes the
maximum permissible public exposure levels in all countries.
- Operates about 40 hours on replaceable standard 9V battery, has a low battery
indicator.
- Analog (needle-type) display has very fast response time compared to digital.
(However, AlphaLab also manufactures digital meters).
Applications:
- Measures AC (artificial) magnetic fields rapidly. (Does not measure DC
of static fields, such as the Earth Field. Click here for other magnetic
meters).
- Measures AC electric fields rapidly, such as from overhead power lines
or improperly grounded equipment. Can locate wiring in walls (using the 100XE
version).
- Meaure major RF/microwave sources such as leakage from microwave ovens,
or the field near cell towers. (Note that wireless internet transmitters
and individual cell phone are designed to emit very little power and usually
are well below international RF exposure threshold. Consequently, the Trifield
Meter will only detect these it very near the source.)
SPECIFICATIONS: Trifield® Meter |
AC Magnetic Fields: |
(3-axis; shows true magnitude) |
Frequency Range: |
40 Hz – 100 KHz (see frequency weighting) |
Accuracy @ 60 Hz (50 Hz): |
+/- 20% of reading |
Range/Resolution (@ 60 Hz or 50 Hz): |
100 milligauss / 0.2 milligauss |
Standard Version Frequency Weighting: |
|
*Sensitivity is proportional to frequency
from 40 Hz to 500 Hz; flat from 500 Hz to 2000 Hz |
*Sensitivity is inversely proportional to frequency
from 2K Hz to 100K Hz |
Flat Frequency Version: |
+/- 20% from 50 Hz to 500 Hz; inverse frequency above 500
Hz |
AC Electric Fields: |
(3-axis; however, note that E-field is affected by the
body position) |
Frequency Range: |
40 Hz – 100 K Hz (see frequency weighting) |
Accuracy @ 60 Hz (50 Hz): |
+/- 30% of reading |
Range/Resolution: |
1000 V/m / 5 V/m (Original Version: 100 KV/m / 0.5 KV/m) |
Frequency Weighting: |
Same as magnetic (above). |
Frequency Range: |
50 MHz – 3000 MHz (3 GHz) |
Range/Resolution: |
1 mW/cm2 / 0.01 mW/cm2 |
Accuracy: |
½ x to 2 x of reading |
Meter Size: |
5.0 x 2.6 x 2.4 in (129 x 67 x 62 mm) |
Weight: |
8 oz |
Battery: |
9 volt alkaline (~ 40 hour life) / "Low Battery" indicator |