Purpose:
DDS-11A Digital Display Conductivity Meter is applicable to test conductivity of un-ion water, boiler water, industrial waste water and common liquid. It can also be used to test purity of high-purity water for electronics, chemical industry, pharmacy and power plant.
Main Technical Performance of Instrument
1. Scale: 0.01- 2us/cm, equivalent to range of resistance of 1000M次- 5次, divided into 6 grades of scale:
Grade of Scale |
Range of Measurement |
Resolution |
Frequency |
Electrode Used |
2us/cm |
0.001-2us/cm
(1000M次- 500K次) |
0.001us/cm |
Low Cycle |
DJS-1C Bright Electrode |
20us/cm |
0.01-20us/cm
(100M次- 50K次) |
0.01us/cm |
Low Cycle |
DJS-1C Bright Electrode |
200us/cm |
0.01-200us/cm
(10M次- 5K次) |
0.1us/cm |
Low Cycle |
DJS-1C Pt-Carbon Electrode |
2us/cm |
1-2000us/cm
(1M次- 500K次) |
1.0us/cm |
High Cycle |
DJS-1C Pt-Carbon Electrode |
20us/cm |
0.01-20us/cm
(100k次- 50次) |
0.01us/cm |
High Cycle |
DJS-1C Pt-Carbon Electrode |
200us/cm |
0.1-200us/cm
(10k次- 5次) |
0.1us/cm |
High Cycle |
DJS-10C Pt-Carbon Electrode |
2. Display: 3 and one second LED.
3. Error of Measurement: ㊣1% (F.S)
4. Range of temperature compensation: 15 ~ 35⊥, referential temperature is 25⊥.
5. Steadiness: ㊣0.67% for 24 Hours.
6. Output: 0 每 10mv.
7. Power: 5W or below
8. Outline Dimension: Height x Width x height: 220 x 140 x 80mm.
9. Weight: 1 kg.
Type |
DDS-11A Pointer |
DDS-11A Digital Dispaly |
DDS-11C |
DDS-12A |
DDS-307 |
DDS-308A |
Scale |
0-10^5us |
0-2x10^5us |
0-2x10^5us |
0-2x10^5us |
0-2x10^5us |
0-10^5us |
Precision |
㊣1.5F.S |
㊣1.0F.S |
㊣1.0F.S |
㊣1.0F.S |
㊣1.0F.S |
㊣1.0F.S |