What is the warranty period for this pH controller?

We provide a 1-year warranty for this device.

What are the payment terms accepted?

We accept LC, T/T, D/P, PayPal, Western Union, and small-amount payments.

What is the accuracy of the pH measurement?

The pH accuracy is +/- 0.2 pH with a resolution of 0.1 pH.

Digital pH Meter Dual Relay pH Controller for Hydroponic Solution Management

Name: Digital pH Meter Dual Relay pH Controller for Hydroponic Solution Management
Brand: Kunshan Ast Optoelectronics Co., Ltd
SKU: 1938766941

Jiangsu, ChinaKunshan Ast Optoelectronics Co., Ltd

US$125.40

50-99 Pieces

US$119.70

100-499 Pieces

US$100.80

500+ Pieces

Sample price:US$200.00/piece.Request sample

Product profile

Customization

Available

Warranty

1 Year

Display

Digital

Model NO.

APc50

Portable

Non Portable

Appliance

Food Analysis, Biochemistry, Hydroponics, Agriculture, Aquarium, Swimming Pool

Certification

ISO9001, CE

Feature

Dual Relay

Material

Plastic

Performance

Test and Control pH Value

Sensor Type

on Line

Measurement Range

0~14 pH

pH Control Range

Adjustable 4.5 – 8.5 pH

pH Resolution

0.1 pH

Power Supply

100~240VAC

Temperature Range

0~50℃

pH Accuracy

+/- 0.2 pH

Transport Package

Color Box

Specification

195*120*43mm

Trademark

OEM/ODM

Origin

China

HS Code

9027100090

Production Capacity

80000

Key features

Dual Relay Control: Automatically switches between UP or DOWN dosing modes to maintain precise pH levels.

High Precision Sensor: Features a high precision pH sensor with temperature compensation for accurate readings.

Data Recording: Auto records MAX, MIN, and AVERAGE data; displays pH and temperature status for up to 3 days.

Wide Application: Suitable for hydroponics, aquariums, agriculture, food analysis, and swimming pools.

Easy Operation: Plug and play device with 4-key operation and a large LCD for clear display.

Adjustable Range: pH control range is adjustable from 4.5 to 8.5 pH with 0.1 pH resolution.

Quality Assurance: ISO9001 and CE certified with 1-year warranty and 100% finished product inspection.

Global Supplier: ODM/OEM manufacturer with 15 years experience, exporting to over 20 countries.

Company profile

High Repeat Buyers ChoiceRaw-Materials TraceabilityR&D CapabilitiesODM Services

Kunshan Ast Optoelectronics Co., Ltd

Jiangsu, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 4 Years CertifiedNearest Port: Shanghai PortAverage Response Time: ≤2.54h

AI-Powered supplier vetting

SummaryThe supplier demonstrates broad customization, 3D design, ODM, OEM, and recent product-development capabilities. It holds CE product compliance certification and an ISO 9001:2015 management-system certificate. Written procedures are reportedly used for service evaluation, corrective actions, complaint handling, and finished-product inspection. The supplier has one production line, three experienced export-trade staff, and a stated one-month average lead time in both peak and off-season periods. However, its service coverage is reported as zero overseas countries, it lacks an SDK, has no stated factory environmental impact assessment report, does not continuously reconcile production quantities, and reports no Fortune 500 customer cooperation. Evidence of customer cases is limited to OEM service for well-known brands, without named references.

Supplier typeThe supplier’s stated business scope covers environmental-protection special equipment, instruments, electronic products, optoelectronic devices, electronic components, technical services, and related manufacturing and sales. Its listed products are CO2 Controllers and PAR Meters, indicating a manufacturer and technical-service provider focused on environmental, electronic, and optoelectronic equipment.

CertificationsThe supplier reports CE certification for product compliance and an ISO 9001:2015 certificate for management systems. It also states CE capability under sustainable-development and product certification, providing explicit evidence of these certifications.

After-Sales capabilityWritten procedures and records are reportedly used for service-capability assessment, corrective and preventive actions, and customer-complaint handling. However, overseas service coverage is stated as zero countries, so the evidence supports structured service processes but not broad international service coverage.

R&D capabilityThe supplier states that it had new products during the past year, provides ODM services, and has three research and development engineers. It does not have an available SDK, but the documented new-product activity and ODM capability support a positive assessment of innovation capability.

Production capacityThe supplier reports one production line, a one-month average lead time in both peak and off-season periods, and four years of export experience. It also states that production quantities are not continuously reconciled for each batch or mass-production run, which is a documented production-control weakness.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, flexible customization, 3D software design services, ODM services, and OEM services for well-known brands. These multiple stated service types provide strong evidence of broad customization capability.