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 Model Number |
DC-4000 |
The Series DC-4000 DO transmitter provides available information of dissolved
oxygen with continuous and stable measurement. The transmitter is supplied
with galvanic or polarographic sensor according to the process condition. This
device can control the concentration of dissolved oxygen in sewage water, industrial
water, fermentation and other water quality monitoring application.
It computes the ppm value based on the temperature, the atmospheric pressure,
and the salinity. Our sensors can be utilized in most monitoring applications
since the best suited electrode can be chosen from a wide variety of models.
The process temperature is accurately measured at the sensor and reflected
to DO value through temperature compensation.
Specification
Nomenclature |
DO analyzer / controller |
| Model |
DC-4000 |
| Measuring range |
0.00 to 20 mg/l (ppm) -5 to 100 °C
(23 ~ 212 °F) |
| Display |
Manually wwitchable range of
0~10mg/l, 0~20mg/l |
| Measuring principle |
DC-4000-G: galvanic cell |
| DC-4000-P: polarographic |
| Accuracy |
within 1% of span |
| Linearity |
+/- 0.5% over full scale |
| Repeatability |
+/- 0.5% over full scale |
| Automatic temperature
compensation range |
Standard: -10 ~ 85 °C (14 ~ 185 °F)
|
| Option: -1 0~ 135 °C (14~ 275 °F )
|
| Allowable humidity |
less than 95% R.H. |
| Response time |
90% response within 10 seconds |
| Calibration of indicating value |
Two points calibration is completed by immersing an electrode into known sample and air saturated water.
|
| Output |
4-20 mA / 1-5V DC isolated
(Max wire resistor : 1000 ohm)
|
| Control function |
Contact Output: high/low limits (free choice over full scale) |
| Sensitivity: 1/100
|
| Relay contact rate: 250V AC 6A |
| Power
source
|
110/220V AC
+/-
10% 50/60Hz |
| Power Consumption |
Approx. 6VA |
| Enclosure |
IP 68, waterproof casing. Aluminium alloy
casting
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| Dimensions |
210 W x 240 H x 150 D mm
(8.26 x 9.45 x 5.95 inch)
|
| Mounting |
wall, rack, pole
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| Weight
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5.5 kg (12.12 lbs.) |
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