Dissolved Oxygen Controller

Brands :JIRS

Product description

Description

DO-6850 online Dissolved Oxygen Temperature Transmitting Controller is a micro computerized precision instrument.
The large LCD display, English menu operation.
Multi-parameter display at the same time: the value of dissolved oxygen, temperature, output current, alarm points, etc. Intuitive and easy to read, and alarm for range over run
Screen displays alarm status and accompanied by a switch ON / OFF signal output.
Automatic Temperature Compensation: Automatic 0 to 60.
Communication function (optional): RS-485 communication interface (MODBUS protocol is partially compatible), 4 to 20 mA current output corresponding to the DO value can be set freely.
Notepad: can store 50 measurements, the user can record measurement data.
Hysteresis amount can be set freely to avoid frequent switching relay action.
Watchdog function: to ensure that the instrument will not crash.
Core devices from famous foreign brands.
Restore the factory settings. Power-down protection> 10 years.

Main Technique Specifications

Function Model	DO-6800A, B, C online Dissolved Oxygen Temperature Transmitting Controller
Measuring Range	0.00 - 20.00 mg /L (ppm) 0 - 200.0 ug /L (ppb), (optional) 0-60°C, 0-100°C (optional)
Resolution	0.1 ug/L 0.01 mg/L 0.1°C
Accuracy	ug/L: ±1.0%FS; mg/L:±0.5%FS; ±0.3°C
Display	Large Screen Multi-parameters LCD
Temp. Compensation	NTC 10K, 0.0°C-60.0 °C, 0-100°C (optional). Automatic temperature compensation
Current output	isolation to protect, 4 ~ 20mA signal output
Control output	two sets of ON / OFF relay contacts, divided into the high point, low alarm signal, optically isolated output.
Communication output	Standard Modbus RS485 function to PC (optional)
Contact capacity	10A/220V AC (Resistive Load)
Output load	load 500Ω (0-10mA), load <750Ω (4-20mA)
Power	AC 220V±10%, 50/60Hz
Working environment	Ambient Temp. 0-60°C, Relative Humidity 90%
Dimensions	96×96×115mm(H X W X D), 0.9kgs
Hole size	91×91mm (H X W)
Installation Mode	Panel Mounted
Protection grade	IP57 or IP 65 cover