Z-Meters comparion table

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<table cellspacing="0" cellpadding="0" class="t1">
 <tbody>
 <tr>
 <td colspan="6" valign="middle" class="td1">
 Z-METER DEVICES COMPARISON TABLE
 </td>
 </tr>
 <tr>
 <td valign="middle" class="td2">
 
 </td>
 <td valign="middle" class="td3">
 
 </td>
 <td valign="middle" class="td4">
 DX4190 10-pos
 </td>
 <td valign="middle" class="td5">
 DX4090 Standard
 </td>
 <td valign="middle" class="td5">
 DX4095 Mini
 </td>
 <td valign="middle" class="td6">
 DX4085 Tester
 </td>
 </tr>
 <tr>
 <td valign="middle" class="td7">
 Connection to PC
 </td>
 <td valign="top" class="td8">
 
 </td>
 <td valign="middle" class="td9">
 Obligatory
 </td>
 <td valign="middle" class="td10">
 Obligatory
 </td>
 <td valign="middle" class="td10">
 Obligatory
 </td>
 <td valign="middle" class="td11">
 NOT Obligatory
 </td>
 </tr>
 <tr>
 <td valign="middle" class="td12">
 PC Connection Interface
 </td>
 <td valign="top" class="td13">
 
 </td>
 <td valign="middle" class="td14">
 USB type B
 </td>
 <td valign="middle" class="td15">
 USB type A
 </td>
 <td valign="middle" class="td15">
 USB type A
 </td>
 <td valign="middle" class="td16">
 USB type A
 </td>
 </tr>
 <tr>
 <td valign="middle" class="td17">
 Z-Meter Software
 </td>
 <td valign="top" class="td18">
 
 </td>
 <td valign="middle" class="td19">
 Included (Windows)
 </td>
 <td valign="middle" class="td20">
 Included (Windows)
 </td>
 <td valign="middle" class="td20">
 Included (Windows)
 </td>
 <td valign="middle" class="td21">
 Included (Windows)
 </td>
 </tr>
 <tr>
 <td valign="middle" class="td12">
 TEC Connection methods
 </td>
 <td valign="top" class="td13">
 
 </td>
 <td valign="middle" class="td14">
 2 (ext. + int.)
 </td>
 <td valign="middle" class="td15">
 2 (ext. + int.)
 </td>
 <td valign="middle" class="td15">
 1 (ext. only)
 </td>
 <td valign="middle" class="td16">
 1 (ext. only)
 </td>
 </tr>
 <tr>
 <td valign="middle" class="td7">
 Wireless (WB) TECs test
 </td>
 <td valign="middle" class="td22">
 
 </td>
 <td valign="middle" class="td9">
 Using WB tool (optional)
 </td>
 <td valign="middle" class="td10">
 Using WB tool (optional)
 </td>
 <td valign="middle" class="td10">
 Using WB tool (optional)
 </td>
 <td valign="middle" class="td11">
 Using WB tool (optional)
 </td>
 </tr>
 <tr>
 <td valign="middle" class="td23">
 Internal Interface
 </td>
 <td valign="top" class="td24">
 
 </td>
 <td valign="middle" class="td4">
 Testing chamber with clips
 </td>
 <td valign="middle" class="td5">
 Testing chamber with clips
 </td>
 <td valign="middle" class="td5">
 n/a
 </td>
 <td valign="middle" class="td6">
 n/a
 </td>
 </tr>
 <tr>
 <td valign="middle" class="td7">
 External Interface
 </td>
 <td valign="top" class="td8">
 
 </td>
 <td valign="middle" class="td9">
 External (Clips on a cable)
 </td>
 <td valign="middle" class="td10">
 External (Clips on a cable)
 </td>
 <td valign="middle" class="td10">
 External (Clips on a cable)
 </td>
 <td valign="middle" class="td11">
 External (Clips on a cable)
 </td>
 </tr>
 <tr>
 <td valign="middle" class="td12">
 Number of TEC in test
 </td>
 <td valign="top" class="td13">
 
 </td>
 <td valign="middle" class="td14">
 Up to 10 (simultaneously)
 </td>
 <td valign="middle" class="td15">
 1
 </td>
 <td valign="middle" class="td15">
 1
 </td>
 <td valign="middle" class="td16">
 1
 </td>
 </tr>
 <tr>
 <td valign="middle" class="td17">
 Measurement Scheme
 </td>
 <td valign="top" class="td18">
 
 </td>
 <td valign="middle" class="td19">
 4-wires method
 </td>
 <td valign="middle" class="td20">
 4-wires method
 </td>
 <td valign="middle" class="td20">
 4-wires method
 </td>
 <td valign="middle" class="td21">
 4-wires method
 </td>
 </tr>
 <tr>
 <td valign="middle" class="td12">
 Ambient Temp. Sensor
 </td>
 <td valign="top" class="td13">
 
 </td>
 <td valign="middle" class="td14">
 2, Integrated and External
 </td>
 <td valign="middle" class="td15">
 Available, integrated
 </td>
 <td valign="middle" class="td15">
 Available, integrated
 </td>
 <td valign="middle" class="td16">
 Available, External only
 </td>
 </tr>
 <tr>
 <td valign="middle" class="td17">
 TEC Polarity Check
 </td>
 <td valign="top" class="td18">
 
 </td>
 <td valign="middle" class="td19">
 Available
 </td>
 <td valign="middle" class="td20">
 Available
 </td>
 <td valign="middle" class="td20">
 N/A
 </td>
 <td valign="middle" class="td21">
 N/A
 </td>
 </tr>
 <tr>
 <td valign="middle" class="td12">
 Typical TEC Testing Time
 </td>
 <td valign="middle" class="td25">
 sec
 </td>
 <td valign="middle" class="td14">
 20 .. 180
 </td>
 <td valign="middle" class="td15">
 20 .. 180
 </td>
 <td valign="middle" class="td15">
 20 .. 180
 </td>
 <td valign="middle" class="td16">
 20 .. 180
 </td>
 </tr>
 <tr>
 <td valign="middle" class="td26">
 Recommended for
 </td>
 <td valign="top" class="td27">
 
 </td>
 <td valign="middle" class="td28">
 Mass production, large batch QC processing, volume manufacturing
 </td>
 <td valign="middle" class="td29">
 Small and mid-size batches QC, R&D, laboratory experiments 
 </td>
 <td valign="middle" class="td29">
 Small batches QC, R&D, laboratory experiments, occasional TEC testing 
 </td>
 <td valign="middle" class="td30">
 Small batches QC, R&D, laboratory experiments, occasional TEC testing 
 </td>
 </tr>
 <tr>
 <td colspan="6" valign="top" class="td31">
 Operating Conditions
 </td>
 </tr>
 <tr>
 <td valign="middle" class="td7">
 Ambient Temperature
 </td>
 <td valign="middle" class="td22">
 ºC
 </td>
 <td valign="middle" class="td9">
 15 .. 35
 </td>
 <td valign="middle" class="td10">
 15 .. 35
 </td>
 <td valign="middle" class="td10">
 15 .. 35
 </td>
 <td valign="middle" class="td11">
 15 .. 35
 </td>
 </tr>
 <tr>
 <td valign="middle" class="td12">
 Humidity
 </td>
 <td valign="middle" class="td25">
 %
 </td>
 <td valign="middle" class="td14">
 0 .. 95
 </td>
 <td valign="middle" class="td15">
 0 .. 95
 </td>
 <td valign="middle" class="td15">
 0 .. 95
 </td>
 <td valign="middle" class="td16">
 0 .. 95
 </td>
 </tr>
 <tr>
 <td valign="middle" class="td17">
 
 </td>
 <td valign="top" class="td18">
 
 </td>
 <td valign="top" class="td32">
 
 </td>
 <td valign="top" class="td33">
 
 </td>
 <td valign="top" class="td34">
 
 </td>
 <td valign="top" class="td34">
 
 </td>
 </tr>
 <tr>
 <td colspan="6" valign="middle" class="td35">
 TEC AC Resistance Measurements ( ACR )
 </td>
 </tr>
 <tr>
 <td valign="middle" class="td7">
 Range
 </td>
 <td valign="middle" class="td22">
 Ohm
 </td>
 <td valign="middle" class="td9">
 0.1 .. 100
 </td>
 <td valign="middle" class="td10">
 0.1 .. 100
 </td>
 <td valign="middle" class="td10">
 0.1 .. 100
 </td>
 <td valign="middle" class="td11">
 0.1 .. 100
 </td>
 </tr>
 <tr>
 <td valign="middle" class="td23">
 Accuracy
 </td>
 <td valign="middle" class="td36">
 %
 </td>
 <td valign="middle" class="td4">
 0.6 (but >0.01Ohm)
 </td>
 <td valign="middle" class="td5">
 0.6 (but >0.01Ohm)
 </td>
 <td valign="middle" class="td5">
 0.6 (but >0.01Ohm)
 </td>
 <td valign="middle" class="td6">
 0.6 (but >0.01Ohm)
 </td>
 </tr>
 <tr>
 <td valign="middle" class="td7">
 Repeatability
 </td>
 <td valign="middle" class="td22">
 %
 </td>
 <td valign="middle" class="td9">
 0.3
 </td>
 <td valign="middle" class="td10">
 0.3
 </td>
 <td valign="middle" class="td10">
 0.3
 </td>
 <td valign="middle" class="td11">
 0.3
 </td>
 </tr>
 <tr>
 <td colspan="6" valign="middle" class="td37">
 Figure-of-Merit Measurements ( Z )
 </td>
 </tr>
 <tr>
 <td valign="middle" class="td7">
 Range
 </td>
 <td valign="middle" class="td22">
 10E-3/K
 </td>
 <td valign="middle" class="td9">
 1 .. 4
 </td>
 <td valign="middle" class="td10">
 1 .. 4
 </td>
 <td valign="middle" class="td10">
 1 .. 4
 </td>
 <td valign="middle" class="td11">
 1 .. 4
 </td>
 </tr>
 <tr>
 <td valign="middle" class="td12">
 Accuracy
 </td>
 <td valign="middle" class="td25">
 %
 </td>
 <td valign="middle" class="td14">
 1.5
 </td>
 <td valign="middle" class="td15">
 1.5
 </td>
 <td valign="middle" class="td15">
 1.5
 </td>
 <td valign="middle" class="td16">
 1.5
 </td>
 </tr>
 <tr>
 <td valign="middle" class="td17">
 Repeatability
 </td>
 <td valign="middle" class="td38">
 %
 </td>
 <td valign="middle" class="td19">
 0.4
 </td>
 <td valign="middle" class="td20">
 0.4
 </td>
 <td valign="middle" class="td20">
 0.4
 </td>
 <td valign="middle" class="td21">
 0.4
 </td>
 </tr>
 <tr>
 <td colspan="6" valign="middle" class="td35">
 TEC Time Constant
 </td>
 </tr>
 <tr>
 <td valign="middle" class="td7">
 Range
 </td>
 <td valign="middle" class="td22">
 sec
 </td>
 <td valign="middle" class="td9">
 1 .. 100
 </td>
 <td valign="middle" class="td10">
 1 .. 100
 </td>
 <td valign="middle" class="td10">
 1 .. 100
 </td>
 <td valign="middle" class="td11">
 1 .. 100
 </td>
 </tr>
 <tr>
 <td valign="middle" class="td23">
 Accuracy
 </td>
 <td valign="middle" class="td36">
 %
 </td>
 <td valign="middle" class="td4">
 1.5
 </td>
 <td valign="middle" class="td5">
 1.5
 </td>
 <td valign="middle" class="td5">
 1.5
 </td>
 <td valign="middle" class="td6">
 1.5
 </td>
 </tr>
 <tr>
 <td valign="middle" class="td7">
 Repeatability
 </td>
 <td valign="middle" class="td22">
 %
 </td>
 <td valign="middle" class="td9">
 1
 </td>
 <td valign="middle" class="td10">
 1
 </td>
 <td valign="middle" class="td10">
 1
 </td>
 <td valign="middle" class="td11">
 1
 </td>
 </tr>
 <tr>
 <td colspan="6" valign="middle" class="td35">
 DX4190 Power Supply
 </td>
 </tr>
 <tr>
 <td valign="middle" class="td17">
 Power Supply 
 </td>
 <td valign="middle" class="td38">
 
 </td>
 <td valign="middle" class="td19">
 Required (included)
 </td>
 <td valign="middle" class="td20">
 Powered by USB
 </td>
 <td valign="middle" class="td20">
 Powered by USB
 </td>
 <td valign="middle" class="td21">
 Built-in Li-Ion Battery 
 </td>
 </tr>
 <tr>
 <td valign="middle" class="td12">
 Voltage
 </td>
 <td valign="middle" class="td25">
 V
 </td>
 <td valign="middle" class="td14">
 85 .. 260
 </td>
 <td valign="middle" class="td15">
 5 (from USB port)
 </td>
 <td valign="middle" class="td15">
 5 (from USB port)
 </td>
 <td valign="middle" class="td16">
 5
 </td>
 </tr>
 <tr>
 <td valign="middle" class="td7">
 Frequency
 </td>
 <td valign="middle" class="td22">
 Hz
 </td>
 <td valign="middle" class="td9">
 47 .. 63
 </td>
 <td valign="top" class="td39">
 
 </td>
 <td valign="top" class="td39">
 
 </td>
 <td valign="top" class="td40">
 
 </td>
 </tr>
 <tr>
 <td valign="middle" class="td23">
 Current
 </td>
 <td valign="middle" class="td36">
 A
 </td>
 <td valign="middle" class="td4">
 0.35A/115VAC
 </td>
 <td valign="middle" class="td5">
 0.25
 </td>
 <td valign="middle" class="td5">
 0.15
 </td>
 <td valign="middle" class="td6">
 
 </td>
 </tr>
 <tr>
 <td colspan="6" valign="middle" class="td41">
 Dimensions and Weight
 </td>
 </tr>
 <tr>
 <td valign="middle" class="td12">
 Main Unit
 </td>
 <td valign="middle" class="td25">
 mm
 </td>
 <td valign="middle" class="td14">
 235 х 180 х 90
 </td>
 <td valign="middle" class="td15">
 160 x 66 x 30
 </td>
 <td valign="middle" class="td15">
 90 x 30 x 13
 </td>
 <td valign="middle" class="td16">
 70 x 160 x 21
 </td>
 </tr>
 <tr>
 <td valign="middle" class="td17">
 Main Unit Weight
 </td>
 <td valign="middle" class="td38">
 kg
 </td>
 <td valign="middle" class="td19">
 1.1
 </td>
 <td valign="middle" class="td20">
 0.24
 </td>
 <td valign="middle" class="td20">
 0.02
 </td>
 <td valign="middle" class="td21">
 0.28
 </td>
 </tr>
 <tr>
 <td valign="middle" class="td12">
 Testing Unit
 </td>
 <td valign="middle" class="td25">
 mm
 </td>
 <td valign="middle" class="td14">
 388 х 180 х 44
 </td>
 <td valign="middle" class="td15">
 -
 </td>
 <td valign="middle" class="td15">
 -
 </td>
 <td valign="middle" class="td16">
 -
 </td>
 </tr>
 <tr>
 <td valign="middle" class="td42">
 Testing Unit Weight
 </td>
 <td valign="middle" class="td43">
 kg
 </td>
 <td valign="middle" class="td44">
 1.6
 </td>
 <td valign="middle" class="td45">
 -
 </td>
 <td valign="middle" class="td45">
 -
 </td>
 <td valign="middle" class="td46">
 -
 </td>
 </tr>
 </tbody>
</table>
 
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