Gwq-Ec200 Industrial Water Modbus Online Conductivity Meter
Product Specifications
- measurement range
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Product Highlights
- Multi-Parameter Display: Simultaneously displays EC, TDS, output current, and temperature values.
- MODBUS RTU Communication: Features isolated RS485 interface compatible with MODBUS RTU for remote monitoring.
- Automatic Temperature Compensation: Equipped with NTC10K/Pt1000 sensors for accurate temperature compensation.
- Dual Relay Control: Two-way relays allow simultaneous control of EC (TDS) and temperature limits.
- Wide Measuring Range: Supports multiple ranges from 0.02uS/cm to 20000uS/cm with different electrodes.
- Robust Watchdog System: Prevents instrument crashes and ensures stable 24/7 operation.
- Flexible Customization: Offers full, minor, and sample-based customization options for specific needs.
Product Attributes
- Customization
- Available
- Display
- Digital
- Appliance
- Food Analysis, Medical Research, Biochemistry
- Model NO.
- GWQ-EC
- Portable
- Non Portable
- Certification
- CE
- Accuracy
- 2%Fs
- Brand Name
- Gaimc
- Power Supply
- AC220V20V,50Hz1Hz
- Temperature Range
- 0~100c
- Place of Origin
- China
- Model Number
- Gwq-Ec200
- Measuringrange
- 0.01~20us/200us/2000us/2000 Ous/30~600ms/Cm
- Communication
- RS485(Compatible with Modbus RTU)
- Resolution
- 1%Fs0.01us/Cm
- Trademark
- GAIMC
- Origin
- China
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
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Product Images of Gwq-Ec200 Industrial Water Modbus Online Conductivity Meter
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Product Description


2.Isolated transmission output, the interference is smaller .
3.Isolated RS485 communication .
4.Automatic temperature compensation function.
5.Watchdog program prevents the instrument from crashing.
6.Set the LCD backlight switch function .
7.two-way relay, can control EC (TDS) and temperature at the same time.


Model | GWQ-EC200 |
Measuring range (ec) | 0.02~20uS/cm(with K=0.01 electrode) 0.2~200uS/cm(with K=0.1 electrode) 2.0~2000uS/cm(with K=1.0 electrode) 20~20000uS/cm(with K=10 electrode) |
Measuring range (tds) | 0.01~10ppm(with K=0.01 electrode) 0.1~100ppm(with K=0.1 electrode) 1.0~1000ppm(with K=1.0 electrode) 10~10000ppm(with K=10 electrode) |
Accuracy | ±2%FS |
Resolution | 0.01uS/cm(ppm) |
Stability(24H) | ±1%FS |
Temperature range | -10~+130℃ |
Temperature measurement accuracy | ±0.5℃ |
Temperature compensation | Manual/Automatic (NTC10K/Pt1000) |
Output | Isolated transformer 4-20mA output, maximum loop 750 ω, ≤±0.2%FS |
Communication | RS485(Compatible with MODBUS RTU) |
Alarm | High and low limit alarms each group (3A/250VAC), Normally open contact relay |
Power supply | 220VAC±10%,50Hz |
Dimensions (mm) | 96*96*110 |
Opening size (mm) | 92.5*92.5 |
Cable length | Standard 5m |




About the Supplier
This supplier has been audited by TÜV Rheinland. Verify the report on the official TÜV Rheinland website with ID "MIC-ASR269389". Items marked "" are certified.
Company Profile
Xi'an Gavin Electronic Technology Co., Ltd., headquartered in the State-level High-tech Industrial Development Zone in Xi'an, is a high-tech enterprise dedicated to the research, development, manufacturing, sales, and service of sensors, transmitters, and related instruments. Since its establishment, the company has consistently taken customer needs as its guide, talent development as its core, and industry progress as its foundation. As the company continues to grow, we actively expand our product lines, integrate industry resources, develop new e-commerce models, and collaborate with leading enterprises in the industry to provide high-quality products and solutions to customers worldwide.
Currently, the company operates three sub-brands: GAMICOS, GAIMC, and GALOCE, covering measurement instruments in fields such as pressure, level, ultrasonic, flow, temperature, and weighing. Our main products are certified with CE and RoHS, and many products also hold explosion-proof certification, OIML certification, and CCS (China Classification Society) certification. As our application fields continue to expand, we consistently enhance product quality and have obtained multiple independent intellectual property rights and patents.
Our products are widely used in industries including petrochemicals, water conservancy and hydrology, mechanical equipment, industrial process control, weighing measurement, and household applications. In addition to serving the domestic market, our products are exported to 98 countries and regions, including the United States, Germany, Russia, Portugal, Saudi Arabia, South Africa, India, Australia, and Brazil, with exports accounting for more than 60% of total sales. To meet diverse customer requirements, we also provide OEM and ODM services. To further ensure product quality, the company cooperates with the Shaanxi Institute of Metrology and Beijing Institute of Metrology for professional product certification, while continuously improving its quality assurance system.
As the world moves from the era of "China developing after the world" to the era of "China supplying the world, " the demand for sensors has increased significantly as one of the most fundamental components of the Internet of Things (IoT). Leveraging its own technological advantages, the company maintains close communication and cooperation with organizations such as the Institute of Microelectronics of the Chinese Academy of Sciences (IMECAS), the Sensors and IoT Industry Association, the China Instruments Manufacturers Association, the China Electronic Instrument Industry Association (CEIA), as well as universities and research institutions. Through these collaborations, we actively study industry trends, understand market demands, continuously improve our products, and optimize industry application solutions.
Looking ahead, the company will continue to strengthen its development in areas such as industry integration, innovative marketing models, talent development, customized customer solutions, and IoT strategies. We sincerely look forward to cooperating with customers, partners, and industry friends from both China and around the world to create a better future together.
About Our Factory & Business Background
- Address
- Rm. 1207, Building B, Huixin IBC, No. 1 Zhang Bayi Road, High-tech Zone, Xi'an, Shaanxi, China
-
Number of Employees
- 64
-
Registered Capital
- 2,000,000 RMB
-
Terms of Payment
- LC, T/T, D/P, PayPal
-
International Commercial Terms(Incoterms)
- FOB, CIF, CFR, EXW
-
Average Lead Time
-
Peak Season Lead Time: within 15 workdays
Off Season Lead Time: within 15 workdays -
Nearest Port
- Xian Port
-
Minimum Order Quantity
- 1 PC
Our Production Capability & Technical Expertise
-
Main Products
- Pressure Sensor, Level sensor, Load Cell, Force Sensor, Torque Sensor, Temperature Sensor, Flow Meter, Water Analysis Meter
-
QA/QC inspectors
- 1 people
-
Inspection Type for Finished Products
- 100% inspection(Visual inspection)
-
Inspection Method for Finished Products
- Finished product checked by packing staff
-
Customization Options
- Customization from Samples, Customization from Designs, Full Customization, Minor Customization, Flexible customization
-
ODM Service Available
- Yes
-
R&D Engineers
- 3 people
-
Traceability of Raw Materials
- No
-
Own Brand
- Yes
Our Industry Experience & Global Business Record
-
Year of Establishment
- 2012-09-17
-
Export Year
- 13 Years
-
Main Markets
- North America, South America, Europe, Southeast Asia/ Mideast, Africa, East Asia(Japan/ South Korea), Australia, Domestic
-
Repeat Buyers Choice
- 50%~80%
-
New Products Launched in Last year
- No
Our Certifications, Standards & Industry Recognition
-
Management System Certification
- ISO9001:2015
-
Product Certification
- CE, RoHS, Others
-
Cooperated with Fortune 500
- No
FAQ
- What is the measuring range of this conductivity meter?
- The range varies by electrode: 0.02-20 uS/cm (K=0.01), 0.2-200 uS/cm (K=0.1), 2.0-2000 uS/cm (K=1.0), and 20-20000 uS/cm (K=10).
- Does the device support remote monitoring?
- Yes, it features an isolated RS485 interface compatible with MODBUS RTU to connect to computers for remote monitoring and recording.
- Can the temperature be compensated automatically?
- Yes, it supports both manual and automatic temperature compensation using NTC10K or Pt1000 sensors.
- What is the minimum order quantity?
- The minimum order quantity is 1 PC.
- Is customization available for this product?
- Yes, we offer full customization, minor customization, and flexible customization from samples or designs.
- What are the lead times for delivery?
- Both peak season and off-season lead times are within 15 workdays.
- What certifications does the product have?
- The product holds CE and RoHS certifications.
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