Dissolved Oxygen Online Tester DO-1800 Online Dissolved Oxygen Tester Sensor

Description

modname=ckeditor
Dissolved Oxygen Online Tester DO-1800 Online Dissolved Oxygen Tester Fish Pond Farming Dissolved Oxygen Sensor
Model 1 :Dissolved oxygen sensor
Model 2 : Dissolved oxygen meter + electrode
Dissolved oxygen detector is an on-line intelligent dissolved oxygen detector produced by our company with foreign technology，Imported components and dissolved oxygen membrane head are adopted，Based on polarographic analysis technology，And advanced production technology and surface paste technology。Using this series of advanced analysis technology，
Ensure the long-term stability, reliability and accuracy of the instrument。With Chinese menu operation、485Communication and other functions。
It can be widely used in chemical fertilizer、metallurgy、Environmental protection water treatment project、pharmacy、biochemistry、food、Continuous monitoring of dissolved oxygen in aquaculture and tap water。
main features
：
◇
Large screen dot matrix liquid crystal display、Chinese menu operation
◇
Multi parameter simultaneous display：
Dissolved oxygen value、temperature、Output current、Alarm points are displayed at the same time，Intuitive and easy to read，And there is a prompt of measuring range overrun
◇
The screen shows the alarm status and can be accompanied by a switch
ON
signal output
◇
Automatic temperature compensation function：
automatic
0～60℃
。
◇
Communication function（Optional）：have
RS-485
communication interface （
MODBUS
Protocol partially compatible），
4～20 mA
Current output corresponding to
DO
The value can be set arbitrarily
◇
Arbitrary setting function of hysteresis，Avoid frequent action of switch relay
◇
Watchdog function：Make sure the instrument doesn't crash。
◇
The core devices are all from famous foreign brands。
◇
Factory settings can be restored。Power failure protection＞10year
3.Technical index
1．
measuring range ：
0 ～ 20.00 mg/L，
Automatic range switching；
0~60℃
2．
branch Discrimination rate：
.0 1mg/L
,
0.1℃
3．
essence    degree： mg/L:
±
0
.5%FS
，±0.3℃
4．
Automatic temperature compensation
：
0~60℃
5．
control interface ：Two sets of normally open relay contacts，Divided into high points、Photoelectric isolation output of low point alarm signal
6．
Signal isolation output：Isolation protection of Optocoupler
4～20mA
signal output
7．
Following electric implement：Arbitrary setting of relay hysteresis，Relay load  3
A  220VAC
8．
Working conditions：The ambient temperature is
0~60℃
,relative humidity
≤90%
9．
Output load：
load＜
30
0Ω（4-20mA）
10．
working voltage ：
220VAC
±
10%、50/60Hz
11．
ruler    inch
：96×96×115 mm
12．
Opening size
：91×91mm
13．
heavy    amount
：0.9Kg