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Z-METER DEVICES COMPARISON TABLE |
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DX4190 10-pos |
DX4090 Standard |
DX4095 Mini |
DX4085 Tester |
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Connection to PC |
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Obligatory |
Obligatory |
Obligatory |
NOT Obligatory |
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PC Connection Interface |
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USB type B |
USB type A |
USB type A |
USB type A |
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Z-Meter Software |
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Included (Windows) |
Included (Windows) |
Included (Windows) |
Included (Windows) |
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TEC Connection methods |
|
2 (ext. + int.) |
2 (ext. + int.) |
1 (ext. only) |
1 (ext. only) |
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Wireless (WB) TECs test |
|
Using WB tool (optional) |
Using WB tool (optional) |
Using WB tool (optional) |
Using WB tool (optional) |
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Internal Interface |
|
Testing chamber with clips |
Testing chamber with clips |
n/a |
n/a |
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External Interface |
|
External (Clips on a cable) |
External (Clips on a cable) |
External (Clips on a cable) |
External (Clips on a cable) |
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Number of TEC in test |
|
Up to 10 (simultaneously) |
1 |
1 |
1 |
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Measurement Scheme |
|
4-wires method |
4-wires method |
4-wires method |
4-wires method |
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Ambient Temp. Sensor |
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2, Integrated and External |
Available, integrated |
Available, integrated |
Available, External only |
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TEC Polarity Check |
|
Available |
Available |
N/A |
N/A |
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Typical TEC Testing Time |
sec |
20 .. 180 |
20 .. 180 |
20 .. 180 |
20 .. 180 |
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Recommended for |
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Mass production, large batch QC processing, volume manufacturing |
Small and mid-size batches QC, R&D, laboratory experiments |
Small batches QC, R&D, laboratory experiments, occasional TEC testing |
Small batches QC, R&D, laboratory experiments, occasional TEC testing |
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Operating Conditions |
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Ambient Temperature |
ºC |
15 .. 35 |
15 .. 35 |
15 .. 35 |
15 .. 35 |
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Humidity |
% |
0 .. 95 |
0 .. 95 |
0 .. 95 |
0 .. 95 |
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TEC AC Resistance Measurements ( ACR ) |
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Range |
Ohm |
0.1 .. 100 |
0.1 .. 100 |
0.1 .. 100 |
0.1 .. 100 |
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Accuracy |
% |
0.6 (but >0.01Ohm) |
0.6 (but >0.01Ohm) |
0.6 (but >0.01Ohm) |
0.6 (but >0.01Ohm) |
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Repeatability |
% |
0.3 |
0.3 |
0.3 |
0.3 |
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Figure-of-Merit Measurements ( Z ) |
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Range |
10E-3/K |
1 .. 4 |
1 .. 4 |
1 .. 4 |
1 .. 4 |
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Accuracy |
% |
1.5 |
1.5 |
1.5 |
1.5 |
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Repeatability |
% |
0.4 |
0.4 |
0.4 |
0.4 |
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TEC Time Constant |
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Range |
sec |
1 .. 100 |
1 .. 100 |
1 .. 100 |
1 .. 100 |
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Accuracy |
% |
1.5 |
1.5 |
1.5 |
1.5 |
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Repeatability |
% |
1 |
1 |
1 |
1 |
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DX4190 Power Supply |
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Power Supply |
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Required (included) |
Powered by USB |
Powered by USB |
Built-in Li-Ion Battery |
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Voltage |
V |
85 .. 260 |
5 (from USB port) |
5 (from USB port) |
5 |
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Frequency |
Hz |
47 .. 63 |
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Current |
A |
0.35A/115VAC |
0.25 |
0.15 |
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Dimensions and Weight |
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Main Unit |
mm |
235 х 180 х 90 |
160 x 66 x 30 |
90 x 30 x 13 |
70 x 160 x 21 |
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Main Unit Weight |
kg |
1.1 |
0.24 |
0.02 |
0.28 |
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Testing Unit |
mm |
388 х 180 х 44 |
- |
- |
- |
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Testing Unit Weight |
kg |
1.6 |
- |
- |
- |