How do you control your quality?

We have EPR system .we control from parts, process, testing, packing ,retesting. Every Sensor will be tested two times before reach you, after that sport test for the third time. Make sure about the quantity.

Rosemount 389 3900 Double Junction Reference pH/ORP Sensor for Submersion Applications

Name: Rosemount 389 3900 Double Junction Reference pH/ORP Sensor for Submersion Applications
Brand: Kerui (Weifang) Automation Equipment Co., Ltd.
SKU: 1985173911

Shandong, ChinaKerui (Weifang) Automation Equipment Co., Ltd.

US$400.00-500.00

1 Piece

Sample price:US$450.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

One Year

Warranty

One Year

Model NO.

389 /3900

Display

Digital

Portable

Appliance

Medical Research, Biochemistry

Certification

ISO9001, CE

Item Name

Rosemount 389 pH/ORP Sensor

MOQ

1PC

Place of Origin

Singapore, China

Flow Rate

Other

Material

Plastic

Medium

Liquid, Air, Gas

Connectivity

Thread

Brand Name

Rosemount

Model Number

389

Customized Support

OEM ODM Obm

Product Name

pH/ORP Sensor

Minimum Order Quantity

1 Piece

Video Outgoing-Inspection

Provided

New

Yes

Single Gross Weight

2.00 Kg

Transport Package

Carton Boxes

Specification

10*10*10 cm

Trademark

Rosemount

Origin

Singapore, China

HS Code

90261010

Production Capacity

100/Month

Key features

Crack-Resistant Glass: Optimized sodium silicate to borate ratio ensures stability in thermal cycling and submersion.

High Alkali Resistance: Dedicated glass option prevents dissolution failure in high-pH solutions exceeding 12.

IP68 Waterproof Rating: Sensor body supports long-term submersion up to 2 meters with sealed cable interface.

Toxic Ion Protection: Triple-junction system blocks cyanide ions in electroplating wastewater for stable ORP.

No Electrolyte Refill: Sealed reference system eliminates refilling needs, reducing maintenance by 4 times annually.

Rapid Calibration: On-site two-point calibration completes in under 5 minutes with pre-calibration support.

Integrated Cable Options: Available in 1.5m to 15m lengths with oil and UV-resistant PVC sheath.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceFast DeliveryLow MOQ

Kerui (Weifang) Automation Equipment Co., Ltd.

Shandong, China

Business Type: Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableAverage Response Time: ≤1.11h

About Our Factory & Business Background

AddressWeicheng District, Weifang, Shandong, China

Average Lead TimePeak Season Lead Time: within 15 workdays Off Season Lead Time: one month

Our Production Capability & Technical Expertise

Main ProductsPressure Transmitter, Temperature Transmitter, Level Transmitter, Valve Positioner, Flowmeter, Field Communicator, PLC, Liquid Level Gauge, Analyser, Instrument Parts