- Accuracy at ± 0.01% of reading ± 0.006% of full scale max. at 25°C when paired with LPT-141 or MPT-141 probe
- 4-range operation (0.3T, 0.6T, 1.2T, 3.0T)
- 3Hz data stream
- Serial Communication
- Analog Output port
- Bench Model
DTM-151 Digital Teslameter / Gaussmeter
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The probe's characterisation information is stored in the probe assembly itself so any Group3 probe can be used with any Group3 DTM. However for full accuracy the DTM-151 should be used with a probe that has temperature compensation circuitry such as MPT-141 or LPT-141.
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Two buttons on the front panel are used to select the operation of the teslameter. The following modes can be selected for the display - magnetic field, peak hold of magnetic field, AC component of field, probe temperature.
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Digital filtering (time averaging) can be enabled to suppress short term fluctuations.
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Several teslameters (up to 31) with serial communications can be formed into a local communications loop, all of them talked to by the one serial port on the control computer. The system can be operated in a trigger mode, where the timing of the measurements by several teslameters can be synchronised.
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Internal switches select serial data format, baud rate, device address, string terminators, filtering, gauss or tesla units, data format, service request action, EOI action, and reset system to defaults.
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Two analog outputs are available. These are a buffered version of the raw probe signal, and are not corrected for linearity or temperature.
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All models are available without display or front buttons, for true “Black box” requirements.
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Panel mount versions are available, and panels with correct cut-outs and mounting hardware.
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Absolute Accuracy
± 0.01% of reading ± 0.006% of range at 25° C
Temperature Stability
- scale factor: ± 5 ppm of reading / ° C typical, ± 10 ppm of reading / ° C max.
- zero drift: ± (1µT + 0.0003% of full scale ) / ° C max.
- Effect of probe cable: add -3ppm / ° C for each metre of probe cable.
Frequency
DC, or in AC mode 8 to 3,000 Hz
Update rate
10 fully corrected measurements per second
Display
7 digit, red LED. 8 additional indicators for range, units, peak hold and filter
Enclosure
All metal, with tilt stand on bench models, bezel mount on rack models
Dimensions
217 x 125 x 50mm, weight 1.2 kg
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