Conductivity Meter
Technique parameters
1) Measurement range: (using electrode with different constant)
Conductivity: 0～20µS·cm－1 ，0～200µS·cm－1 ，0～2000µS·cm－1
0～2mS·cm－1，0～10mS·cm－1，0～200mS·cm－1
Temperature: 0～100℃
2) The electronic unit automatic temperature compensation range: 0～100℃ (The reference temperature 25℃)
3) The electronic unit basic error: conductivity: ±1%F•S, temperature: ±0.8℃
4) Current isolated output: 0-10mA (load resistance <1.5KΩ); 4-20mA (load resistance ＜750Ω)
5) The output current error of electronic unit : ±0.1mA
6) Two alarm relay contacts: 3A 240VAC，6A 28VDC or 120VAC
7) Alarm errors of electronic unit: ±0.1%F•S
8) Power supply : 85～265VAC 50/60Hz
9) Power consumption: 3W
10) Electronic unit weight: About 500g
11) Electronic unit overall dimension : 96（length）×96（width）×125（depth）mm；
installation hole-tapping size: 91×91mm
12) The installation of electrode: There are many types:【Flange】【Pipe】【Immersed】【Flow-through】, For more information, please refer to 3.3.
13) The normal working conditions: The ambient temperature: -10 to 45℃; the relative humidity:≤90%.
2.2 Features
※ Intelligence: the microprocessor is used for conductivity measurement, temperature measurement and compensation;
※ LCD screen: The user-friendly menus;
※ The current isolated output: the current range 0～10mA or 4～20mA can be selected by the menu;
※ The up and lower alarm limit of measurement and their dead-band can be set by menu. It will prompt by flashing on the screen if the alarm is generated.
※ Two relay outputs for the alarm, which can be used to control the other valves or motors.
※ The output current and relays can be checked in the menu.
※ Password: The instrument can set password to protect the parameters.
※ Those will provide according the user subscription statement: RS485 communication.
※ The 24VDC power supply is optional.
