Group3 ¦ Teslameter ¦ Specifications

Group3 Digital Hall Effect Teslameter

The DTM-151 Digital Teslameter offers extremely accurate, high resolution measurement of magnetic flux densities.

Accuracy is 0.01% of reading + 0.006% of full scale when used with the LPT-141 or MPT-141 probe.

Features:

- High accuracy - fully temperature compensated

- Resolution of 1 part in 600,000

- 4 ranges

- Maximum field - 3 Tesla

- 7 Digit display

- Either RS232 or IEEE488/GPIB communications

DTM-151 performance summary when combined with the listed probe

Probe	Active Area (mm)	Resolution of Display	Max Field	Finest Resolution	Accuracy at 25°C	Tempco ppm/°C	Zero Drift µT/°C
LPT-141	4 x 1.6	1 in 600,000	3T	1µT	±0.01%	±10	±1
LPT-231	4 x 1.6	1 in 600,000	0.3T	0.1µT	±0.03%	±25	±1
MPT-141	1 x 0.5	1 in 600,000	3T	1µT	±0.01%	±10	±1
MPT-231	1 x 0.5	1 in 600,000	0.3T	0.1µT	±0.03%	±25	±1

The DTM-150 Digital Teslameter offers all the features of the DTM-151, however the accuracy is 0.03% of reading +0.006% of full scale when used with the LPT-130 or MPT-132 probe.

DTM-150 performance summary when combined with the listed probe

Probe	Active Area (mm)	Resolution of Display	Max Field	Finest Resolution	Accuracy at 25°C	Tempco ppm/°C	Zero Drift µT/°C
LPT-130	4 x 1.6	1 in 600,000	3T	1µT	±0.03%	-80	±12
LPT-230	4 x 1.6	1 in 600,000	0.3T	0.1µT	±0.03%	-620	±12
MPT-132	1 x 0.5	1 in 600,000	3T	1µT	±0.03%	-140	±40
MPT-230	1 x 0.5	1 in 600,000	0.3T	0.1µT	±0.03%	-800	±12

The DTM-133 Digital Teslameter offers the following features:

- Resolution of 1 part in 12,000

- 4 ranges

- Maximum field 3 Tesla

- 6 Digit display (5 digit, plus sign)

- Optional RS232 or IEEE488/GPIB communications

Accuracy is ±(0.03% of reading + 0.03% of full scale) when used with the LPT-130 or MPT-132 probe.

Temperature coefficient is -80ppm/°C max when used with LPT-130 or

-140 ppm/°C max when used with MPT-132 probe.

Accuracy and temperature specifications include the performance of the probe

DTM-133 performance summary when combined with the listed probe

Probe	Active Area (mm)	Resolution of Display	Max Field	Finest Resolution	Accuracy at 25°C	Tempco ppm/°C	Zero Drift µT/°C
LPT-130	4 x 1.6	1 in 12,000	3T	50µT	±0.03%	-80	±12
LPT-230	4 x 1.6	1 in 12,000	0.3T	5µT	±0.03%	-620	±12
MPT-132	1 x 0.5	12,000	3T	1µT	±0.03%	-140	±40
MPT-230	1 x 0.5	1 in 600,000	0.3T	0.1µT	±0.03%	-800	±12

sales@ppm.co.uk +44 1793 784389