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Product Description

RK500-04 Type-C Corrosion Resistant Dissolved Oxygen Sensor

The RK500-04 Type-C represents a pinnacle of engineering in environmental and industrial monitoring technology, engineered to excel in the most demanding scenarios such as mariculture, strongly corrosive wastewater environments, and complex operational settings. As a versatile and rugged sensor solution, it redefines precision and durability by integrating cutting-edge materials, intelligent design, and industry-leading performance—making it an indispensable tool for professionals who demand reliability in harsh conditions.

Specification

 

Features
Simple operation and high reliability

No external module, a whole design

Long service life,maintenance-free

Dissolved oxygen and temperature measurement at the same time (RS485)

No requirement for liquid velocity

Not affected by ions
 
Applications
Environmental protection
Water quality monitoring
Aquaculture
Clean in place (CIP)Sewage treatment
Industrial wastewater treatment

Technical Specifications

Type	A		B		C
	Economy		Performance Edition		Strong anti-corrosion
Application	Farming, freshwater aquaculture,river channels etc		Industrial control, general sewage, environmental		Mariculture, strongly corrosive sewage, complex scenes
Sensor	DO		DO		DO
Range	0.2mg/L		0-20mg/L 0-50mg/L		0-20mg/L 0-50mg/L
Accuracy	0.3 mg/L		0.2mg/L		0.2mg/L
Resolution	0.01mg/L		0.01mg/L		0.01mg/L
Repeatability	0.1mg/L		0.05mg/L		0.05mg/L
Response time	T90<100S		T90<40S		T90<40S
Stability	Drift <0.3mg/L/year		Drift <0.2mg/L/year		Drift <0.2mg/L/year
Material	Fluorescentcap:316L, other : ABS		All stainless steel 316L		Fluorescent cap: titanium alloy, other : gray nylon plus fiber
Principle	Fluorescent
Temperature compensation	Thermal resistance
Thread	Lower: NPT3/4, Upper:NPT3/4
Installation method	Pipe or dip (IP68)
Operating temperature	-5 - +60℃
Working pressure	0.8Mpa
Supply	7-30VDC
Power consumption	<0.2W
Output	RS485 & 4-20mA at the same time
Ingress protection	IP68
Cable length	5m default, other length customizable
Weight(probe)	0.7kg
Storage	-20 - +80℃

Dimensions

Unit:mm

Installation & Usage

* Put directly into the liquid
* Adopt submersible mounting bracket
Mounting bracket (length=1m):

Company Profile

Hunan Rika Electronic Tech Co., Ltd.

Hunan Rika Electronic Tech Co., Ltd. is a leading sensor manufacturer and solution provider in China, specializing in weather & environment monitoring for over a decade. We integrate R&D, production, and marketing, offering products for wind measurement, solar radiation, air and water quality, soil moisture, and various weather stations.

FAQ

Q: Are you the final manufacturer?
A: Yes, we are a SENSOR manufacturer and exporter in China with over 10 years of experience, certified by SGS.
 
Q: Do you offer OEM service?
A: Yes, we offer OEM services and can design logo markings. Minimum order: 10 pcs.
 
Q: Do you offer free samples?
A: Sorry, we do not offer free samples.
 
Q: What payment methods do you accept? 
A: We accept T/T, PayPal, and Western Union.
 
Q: What is your delivery time?
A: Delivery is 6-8 working days post-payment. Orders over 100 pcs require an extra 3-5 days.
 
Q: What is your standard delivery method?
A: Goods are shipped via DHL, FEDEX, UPS, EMS, TNT, or other recommended carriers.
 
Q: What does your quality assurance service include?
A: Our service includes free exchange within one month and an 18-month quality guarantee.
 
Q: May we schedule a visit to your factory?
A: Yes, you are welcome. However, we conduct a preliminary visit assessment first.