Measuring Instrument & Tester
AC mΩ Meter
MODEL 356M AC mΩ tester with 20 CH Scanner
- ■AC mΩ meter, max. 40 CH scanner possible
- ■Resistance measurement range 30 mΩ/300 mΩ/3 Ω
- ■Open terminal voltage 20 mV peak or less
- ■Enables to measure cell voltage and resistance of rechargeable battery and Fuel cell.
- ■2 outputs of upper comparison judgment
Catalog
Operation manual
Typical Application
Internal resistance of Battery, contact resistance etc.
Model Designation
Main unit
356M-□
| Model |
The number of CH |
|
| 356M-05 |
5CH |
Extension unit NOT available |
| 356M-10 |
10CH |
| 356M-15 |
15CH |
| 356M-20 |
20CH |
Extension unit available |
Scanner extension unit
5811-71-□
| Model |
CH number of extension |
| 5811-71-05 |
5CH |
| 5811-71-10 |
10CH |
| 5811-71-15 |
15CH |
| 5811-71-20 |
20CH |
Standard Specifications
Measuement range
■Resistance measurement
| Measurement range Note 1 |
30 mΩ |
300 mΩ |
3 Ω |
| Resolution |
1 μΩ |
10 μΩ |
100 μΩ |
| Measuring current |
7.4 mA |
1 mA |
100 μA |
| Accuracy Note 2 |
± (0.5 % of rdg. + 8 dgt.) |
| Temperature coefficient |
± (0.05 % of rdg. + 0.8 dgt.) / ℃ |
| Open terminal voltage |
Less than 20 mV peak (with OFF function) |
■Voltage measurement
| Measurement range Note 1 |
± 5 V |
± 50 V |
| Resolution |
100 μV |
1 mV |
| Accuracy Note 2 |
± (0.05 % of rdg. + 5dgt.) |
| Temperature coefficient |
± (0.005 % of rdg. +0.5 dgt.) / ℃ |
Note1: All CH, the same range
Note 2: Specified at 23 ℃ ± 5 ℃, 45 to 75 % RH
Specification
| Measuring method |
AC 4 terminal method (Resistance measurement) |
| Measuring frequency |
AC 1 kHz ± 20 Hz (Resistance measurement) |
| Sampling cycle |
10 times / s. (Resistance, voltage measurement) |
| Measurement terminal |
Connector of 2.54 mm pitch, MIL-C-86503 standard |
| Wiring resistance |
Source side: Less than 0.1 Ω |
| Display |
LCD display
Resistance measurement: 35000
Voltage measurement: 50000 (with polarity indication) |
| Measuring mode |
| Automatic measurement: |
Measure resistance and voltage from CH 1 till set CH,
then switched to waiting.
'AUTO' mode: The measured data is saved in 356M, the data can be downloaded to PC.
'FULL' mode: Each measurement of each CH is output. |
| Manual measurement: |
Resistance and voltage of manually set CH are measured. |
|
Measuring time
(During automatic measurement) |
Select 1 s. or 2 s. for one CH
Measuring time of 1 s.:aprx. 900 ms., 2 s.: aprx.1900 ms. |
| Judgment |
Upper limit (H1, H2) can be set.
| Output condition: |
The resistance of more than 1 CH > H1・・・ Relay ON
The resistance of more than 1 CH > H2・・・ Relay ON |
| Contact capacity: |
AC 250 V, 1 A (Resistance load), 1 A. 1a contact |
|
| Insulation resistance |
DC 500 V, more than 50 MΩ |
| Withstanding voltage |
AC 1500 V, 1 min. |
| Power supply tolerance |
AC 90 to 250 V (356M, 5811-71) |
| Operating ambient temperature |
0 to 50 ℃ |
| Storage temperature |
-20 to 70 ℃ |
| Weight |
356M aprx. 1 kg, 5811-71 aprx. 1 kg |
| Dimension |
205 (W) x 64 (H) x 169 (D) mm |
| Serial communication RS-232C |
| Transmission system: |
Start-stop synchronization full duplex |
| Transmission rate: |
2400, 4800, 9600 bps |
| Data bit length: |
7 bit, 8 bit |
| Stop bit: |
1 bit |
| Xon, Xoff: |
No Control |
|
| Accessory |
| 356M |
Utility software (CD) |
1 pc |
| RS-232C cable |
1 pc |
| Power cord |
1 pc |
| Power fuse |
1 pc |
| Operation manual |
1 pc |
|
| 5811-71 |
Power cord |
1 pc |
| Unit connect cable |
1 pc |
|
| Measurement cable |
Not included, manufacturable based on meeting with us. |
