| Measurement Mode |
| Magnetic flux density | 10Hz to 400kHz / 10Hz to 2kHz / 2kHz to 400kHz |
| Exposure level | General Public/ Occupational (Exposure level is defined as a measurement method whereby the time domain evaluation introduced in EN 50366 and IEC 62233 applied to the magnetic flux density indicated in the ICNIRP 1998 Guidelines.) |
| Measurement Range |
| Range number | r0 | r1 | r2 | r3 | |
| Magnetic flux density | 2.000 ?T | 20.00 ?T | 200.0 ?T | 2.000 mT | (At single axis) |
| Exposure level | 20.00% | 200.0% | 2000% | -- | (At single axis) |
| Range switching | Auto/manual |
| Indication |
| Digital indication | 2000 count for single axis and 3464 count for composite value R (a count of 2000 or less for the x, y and z axes) |
| Indicated axes | x, y, z, R |
| Magnetic flux density unit | T |
| Exposure level unit | % |
| Switching magnetic flux density | G (1T = 104G), A/m (the magnetic permeability of air being
4 pi ? 10-7H/m, 1T = 4 p ? 10-7a/m) |
| Battery low warning | "Battery" icon lights (measurement accuracy is not guaranteed when this icon is on) |
| Maxi value hold indication | MAX |
| Auto power off indication | APS |
| Display update rate | 250 ms (slow function off)/approx. 2 s (slow function on) |
| Measurement items |
| Measured axes | x, y, z |
| Measurement method | True rms |
| Measurable magnetic flux density (Frequency derating) |
| Measurement items | Magnetic flux density (Tesla) | Magnetic flux density (Gauss) | Magnetic flux density (A/m) |
| x, y, z | 0.050?T*¹ to 2.000mT | 0.50mG*¹ to 20.00G | 0.040A/m*¹ to 1592A/m |
| R | 0.100?T*² to 3.464mT*³ | 1.00mG*² to 34.64G*³ | 0.080A/m*² to 2757A/m*³ |
*¹: Range r0 for the magnetic field sensor 3472 is 0.2 ?T (= 2 mG = 0.16 A/m) in the magnetic flux density mode (10 Hz ? 400 kHz and 10 Hz ? 2 kHz).
*²: Range r0 for the magnetic field sensor 3472 is 0.4 ?T (= 4 mG = 0.32 A/m) in the magnetic flux density mode (10 Hz ? 400 kHz and 10 Hz ? 2 kHz).
*³: 2 mT (= 20 G = 1592 A/m) or less for x, y and z |
| Combined indication accuracy | ?3.5%rdg.?0.5%f.s. (when combined with a 3471 or 3472 magnetic field sensor with the same model number) |
| Prescribed accuracy range |
| Measurement items | Measurement mode | Prescribed accuracy range | f.s. |
| x, y, z *4 | Magnetic flux density mode | 0.050?T to 2.000mT | 2000 count |
| Exposure level mode | 0.50% to 2000% |
| R *5 | Magnetic flux density mode | 0.100?T to 3.464mT | 3464 count |
| Exposure level mode | 1.00% to 3464% |
| Range r0 (10 Hz ? 400 kHz and 10 Hz to 2 kHz) in the magnetic flux density mode for the magnetic field sensor 3472 is described below |
| Measurement items | Measurement mode | Prescribed accuracy range | f.s. |
| x, y, z *4 | Magnetic flux density mode (10Hz to 400 kHz, 10 Hz to 2 kHz) | 0.200?T to 2.000?T | 2000 count |
| R*5 | 0.400?T to 3.464mT | 3464 count |
*4: Specified at an input of 50 counts or more of the range
*5: Specified at 100 counts of the range and where the total x, y and z input is 2000 counts or more |
| Prescribed accuracy range (frequency) |
| Measurement mode | Prescribed accuracy range |
| Magnetic flux density mode (10Hz to 400kHz) | 50Hz to 120kHz |
| Magnetic flux density mode (10 Hz to 2 kHz) | 50Hz to 1kHz |
| Magnetic flux density mode (10Hz to 400kHz) | 5kHz to 120kHz |
| Exposure level (General Public) | Prescribed at 50 Hz and 10 kHz of the 10 Hz to 400 kHz band in ICNIRP 1998 |
| Exposure level (occupational) |
| Output |
| Output mode | Magnetic flux density (T or G; A/m indication can be converted to T) or exposur Output mode e level |
| Output voltage rate | 200 mV/f.s. (f.s. for single axis of each range; single axis f.s. is also used for composite RMS value |
| Output type/accuracy | tri-axial waveform, composite RMS/indication accuracy ?2 mV |
| Interface | USB 1.1 |
| Memory function | Records up to 99 measurements |
| Auto power off | 10 min after last operation |
| Buzzer sound | Can be turned on/off |
| Temperature characteristics | 0.1? accuracy specification/ ?C at 0 to 40?C |
| Storage environment | -10 to 50?C, 80% RH or less (no condensation) |
| Period of guaranteed accuracy | 1 year |
| Power supply | Size AA alkaline batteries (LR6) ? 4 or AC adapter |
| Battery life | Approx. 10 h |
| Dimensions & mass | 100(W)?150(H)?42(D) mm, 870 g (including batteries) |
| Applicable standards | Safety: EN61010-1:2001
EMC: EN61326:1997+A1:1998+A2:2001+A3:2003
EN61000-3-2:2000 EN61000-3-3:1995+A1:2001 |
| Accessories | User's Guide, CD-R (proprietary PC application), USB cable, size AA batteries (LR6) ? 4, carrying case |