Z-METER DEVICES COMPARISON TABLE



DX4190 (10-pos)

DX4090

DX4095 Mini

Connection to PC


Required

Required

Required

PC Connection Interface


USB type B

USB Mini

USB type A

Z-Meter Software


Included (Windows)

Included (Windows)

Included (Windows)

TEC Connection methods


2 (ext. + int.)

2 (ext. + int.)

1 (ext. only)

Wireless (WB) TECs test


Using WB tool (optional)

Using WB tool (optional)

Using WB tool (optional)

Internal Interface


Testing chamber with clips

Testing chamber with clips

n/a

External Interface


External (Clips on a cable)

External (Clips on a cable)

External (Clips on a cable)

Number of TEC in test


Up to 10 (simultaneously)

1

1

Measurement Scheme


4-wires method

4-wires method

4-wires method

Ambient Temp. Sensor


2, Integrated and External

Available, integrated

Available, integrated

TEC Polarity Check


Available

Available

N/A

Typical TEC Testing Time

sec

20 .. 180

20 .. 180

20 .. 180

Recommended for


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 

Operating Conditions

Ambient Temperature

ºC

15 .. 35

15 .. 35

15 .. 35

Humidity

%

0 .. 95

0 .. 95

0 .. 95






TEC AC Resistance Measurements ( ACR )

Range

Ohm

0.1 .. 100

0.1 .. 100

0.1 .. 100

Accuracy

%

0.6 (but >0.01Ohm)

0.6 (but >0.01Ohm)

0.6 (but >0.01Ohm)

Repeatability

%

0.3

0.3

0.3

Figure-of-Merit Measurements ( Z )

Range

10E-3/K

1 .. 4

1 .. 4

1 .. 4

Accuracy

%

1.5

1.5

1.5

Repeatability

%

0.4

0.4

0.4

TEC Time Constant

Range

sec

1 .. 100

1 .. 100

1 .. 100

Accuracy

%

1.5

1.5

1.5

Repeatability

%

1

1

1

DX4195 Power Supply

Power Supply 


Required (included)

Powered by USB

Powered by USB

AC Voltage

V

85 .. 260

5 (from USB port)

5 (from USB port)

Frequency

Hz

47 .. 63



Current

A

0.35A/115VAC

0.25

0.15

Dimensions and Weight

Main Unit

mm

235 х 180 х 90

160 x 66 x 30

90 x 30 x 13

Main Unit Weight

kg

1.1

0.24

0.02

Testing Unit

mm

388 х 180 х 44

-

-

Testing Unit Weight

kg

1.6

-

-