|
Specifications
- DTM-151 |
| Electrical
|
| Measurement
modes |
Filter
on, filter off, peak hold on, peak hold off,
tesla, gauss, manual, and autoranging |
| Ranges |
Manual
or autoranging, actual range depends on
probe used, see probe specifications, below |
| Digitization |
20
Bits, (1 bit for polarity, 19 bits for field) |
| Accuracy |
±
0.01% of full scale |
| Time
stability |
±
0.1%/year max |
| Measurement
rate |
10
per second (digitally corrected) |
| Display
rate |
10
per second (digitally corrected) |
| Response
time |
<
0.3 seconds with digital filter off |
| Operating
temperature |
0
to 50°C |
| Ambient
field |
Maximum
operating field for meter:
10mT with single range probe
0.5mT with multi-range probe |
| Interfacing
options |
RS-232C
& fiber optic or IEEE-488 (GPIB) |
| External
power input |
9
to 12Vac, 900mA max
9.5 to 19Vdc, 0.75mA max |
| Analog
monitor output |
| Full
scale output |
±
3V, nominal, uncorrected |
| Source
impedance |
1kOhm |
| Zero
offset |
<
±10mV max |
| Accuracy |
±
5% |
| Residual
noise |
<
0.5mV p-p |
| Bandwidth |
9kHz
at - 3dB, rolloff 3-pole 6dB/decade |
| Controls
and indicators |
| Front
panel |
| Range |
Select
between ranges |
| Mode |
Change
measurement modes |
| Display |
7
character, 7 segment LED |
| Indicators |
8
LED back-lit legends for range, filter, hold,
tesla, and gauss |
| Internal |
| Internal
controls |
1
x 2 position DIP switch for default modes
2 x 8 position DIP switches for addressing and
communications |
| Mechanical
|
| Enclosure |
Aluminum |
| Dimensions
(mm) |
217
x 125 x 50 |
| Weight |
1.2kg |
| Connectors |
| Power
input |
2.1mm
coaxial socket |
| Probe |
40
position dual row header |
| Analog
output |
Molex
2-position header, M5046-2 |
| RS-232 |
26
position dual row header and
HP Versalink fiber optic |
| IEEE-488 |
Amphenol 57-20240 socket with metric standoffs |
|
|
 |
Panel
version comes complete with:
Rack
mounting digital teslameter
Support bracket (with panel versions
only)
Plug
pack
Molex
2-position socket
System
manual (not pictured) |
|
|
|
|
Specifications
- Probes |
| Electrical
|
| Orientation |
Transverse |
| Temperature
range |
0
to + 50°C operating to spec, - 20 to + 60° max |
| Accuracy |
±
(0.03% of reading + 0.03% of full scale) max
at 25°C |
| DTM-151
with MPT-141 Probe |
| Ranges |
0.3T,
0.6T, 1.2T, & 3.0T
(3,000, 6,000, 12,000 & 30,000G) |
| Resolution
(Digital Filter OFF) |
| Displayed
|
5µT,
10µT, 20µT, & 50µT
(0.05, 0.1, 0.2, & 0.5G) |
| Via
the interface |
0.1µT,
1µT, 1µT, & 1µT
(0.001, 0.01, 0.01, & 0.01G) |
| Resolution
(digital filter on) |
| Displayed
|
1µT,
2µT, 4µT, & 10µT
(0.01, 0.02, 0.04, & 0.1G) |
| Via
the interface |
0.1µT,
1µT, 1µT, & 1µT
(0.001, 0.01, 0.01, & 0.01G) |
| Accuracy |
±
(0.01% of reading + 0.006% of full scale) max
at 25°C |
| Calibration |
±
10ppm of reading/°C max
add - 3ppm/°C for each meter of probe cable |
| Zero
drift |
±
(1µT + 0.0003% of full scale)/°C max |
| DTM-151
with MPT-231 Probe |
| Ranges |
0.03T,
0.06T, 0.12T, & 0.3T
(300, 600, 1,200 & 3,000G) |
| Resolution
(digital filter off) |
| Displayed
|
0.5µT,
1µT, 2µT, & 5µT
(0.005, 0.01, 0.02, & 0.05G) |
| Via
the interface |
0.01µT,
0.1µT, 0.1µT, & 0.1µT
(0.0001, 0.001, 0.001, & 0.001G) |
| Resolution
(digital filter on) |
| Displayed
|
0.1µT,
0.2µT, 0.4µT, & 1µT
(0.001, 0.002, 0.004, & 0.01G) |
| Via
the interface |
0.01µT,
0.1µT, 0.1µT, & 0.1µT
(0.0001, 0.001, 0.001, & 0.001G) |
| Accuracy |
±
(0.03% of reading + 0.006% of full scale) max
at 25°C |
| Calibration |
±
25ppm of reading/°C max
add -3ppm/°C for each meter of probe cable |
| Zero
drift |
±
(1µT + 0.0003% of full scale)/°C max |
| Mechanical
|
| Dimensions
(mm) |
|
| Probe
head |
14
x 5 x 2 |
| Sensitive
area |
1 x 0.5 x 0.08 |
| Probe
cable diameter |
6.6 |
|
Probe
cable length |
3
meters standard, (30 meters max) |
| Connector |
83
x 77 x 17 |
|
|
|