onlline Dissolved oxygen meter
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Measuring range |
0.0 to 20.0 |
0.00 to 20.00ppm |
Resolution |
0.1 |
0.01 / 0.1 |
Accuracy |
±0.2 |
±0.02 |
Temp. compensation |
Pt 1000/NTC22K |
|
Temp. range |
-10.0 to +130.0℃ |
|
Temp. compensation range |
-10.0 to +130.0℃ |
|
Temp. resolution |
0.1℃ |
|
Temp. accuracy |
±0.2℃ |
|
Current range of electrode |
-2.0 to +400 nA |
|
Accuracy of electrode current |
±0.005nA |
|
Polarization |
-0.675V |
|
Pressure range |
500 to 9999 mBar |
|
Salinity range |
0.00 to 50.00 ppt |
|
Ambient temperature range |
0 to +70℃ |
|
Storage temp. |
-20 to +70℃ |
|
Display |
Back light, dot matrix |
|
DO current output1 |
Isolated, 4 to 20mA output , max. load 500Ω |
|
Temp. current output 2 |
Isolated, 4 to 20mA output , max. load 500Ω |
|
Current output accuracy |
±0.05 mA |
|
RS485 |
Mod bus RTU protocol |
|
Baud rate |
9600/19200/38400 |
|
Maximum relay contacts capacity |
5A/250VAC,5A/30VDC |
|
Cleaning setting |
ON: 1 to 1000 seconds, OFF: 0.1 to 1000.0 hours |
|
One multi function relay |
clean/period alarm/error alarm |
|
Relay delay |
0-120 seconds |
|
Data logging capacity |
500,000 |
|
Language selection |
English/traditional Chinese/simplified Chinese |
|
Waterproof grade |
IP65 |
|
Power supply |
From 90 to 260 VAC, power consumption < 5 watts |
|
Installation |
panel/wall/pipe installation |
|
Weight |
0.85Kg |