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7. Technical Specifications
7.1
Teslameter FM 302 (without AS-Active-Probe):
Measuring modes
Ranges
Bandwidth (-3 dB)
Measurement uncertainty DC in x1:
Adjustable offset
Measurement uncertainty RMS
Temperature coefficient
Zero drift
Input resistance
Operation
Operation temperature range +5 °C to +50 °C
Storage temperature range
Max. relative humidity
Operation in magnetic field
Power
Dimension:
Length
Width
Thickness
Weight
Projekt Elektronik
MESS - UND REGELUNGSTECHNIK GMBH
DC / AC(RMS)
3 ranges per probe,
see technical specification of the AS-probes
sensitivity x1; x10; x100
DC – ≥100 kHz
DC:
<5 Hz – ≥100 kHz
AC:
depends also on the used probe
<0,1 % ±2 Digit (at 23 °C ±1 °C)
in x10:
<0,1 % ±5 Digit (at 23 °C ±1 °C)
in x100:
<0,1 % ±20 Digit (at 23 °C ±1 °C)
offset adjustable with zero-function
±4500 digit
at most sensitive range (x100)
16.7 Hz:
50 Hz:
with level ≥5 % of range, sine wave
max. ±0.01 %/K, typ. <±0.003 %/K
max. ±3 digit/1K, typ. ±1 digit/1K (DC at most
sensitive range
10 kΩ ±0.1 %
keypad with 8 keys
USB interface
-10 °C to +50 °C
70 % at +35 °C
undisturbed up to at least 350 mT
observe action of force!
9 V battery
at least 400 mAh battery or accumulator,
life time > 20 h, depending on probe type,
jack for 9 V power adapter
9 V DC, 40 mA, minus at inner port
USB interface (low power device)
166 mm (without connected plugs)
88 mm (without connected plugs)
31 mm
225 g (without 9 V battery)
271 g (with 9 V battery)
≤-0.3 dB (at 23 °C ±1 °C)
≤ -0.1 dB (at 23 °C ±1 °C)
Page 85
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