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OHAUSMultiparameter Electrodes, Probes & Sensors

OHAUS ST420 Multiparameter Electrode

The OHAUS ST420 is a multiparameter electrode designed for conductivity, dissolved oxygen, ORP, pH, and temperature testing. It features a ceramic junction, BNC connection, metal body, and bulb tip, with a pH range…

SKU 3G-OTH-385026

Also listed as: ST 420 · ST-420

Brand
OHAUS
Item
ST420 Multiparameter Electrode
Part Number
ST420
Category
Multiparameter Electrodes, Probes & Sensors
Available to Order
Also known as:ST420OHAUS
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Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
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Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

OHAUS
Manufacturer Part Number
ST420
Type
Conductivity/Dissolved Oxygen/ORP/pH/Temp, 2 to 12 pH, Bulb
Material
Metal
Range
2 to 12 pH
Cable Lg
1 m
Junction
Ceramic
Tip Shape
Bulb
Product Type
Electrode
Connection Type
BNC
Test Parameters
Conductivity

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OHAUS Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The OHAUS ST420 is a multiparameter electrode designed for conductivity, dissolved oxygen, ORP, pH, and temperature testing. It features a ceramic junction, BNC connection, metal body, and bulb tip, with a pH range of 2 to 12 and a 1 m cable length.

Frequently Asked Questions

What is the OHAUS ST420 electrode used for?

The OHAUS ST420 is a multiparameter electrode for measuring conductivity, dissolved oxygen, ORP, pH, and temperature in water and process solutions. It is commonly used in laboratory, environmental, and industrial testing applications where a single probe handles multiple parameters.

What are the specifications of the OHAUS ST420 electrode?

The OHAUS ST420 electrode has a pH range of 2 to 12, a ceramic junction, BNC connection, metal body, and bulb tip. It measures conductivity, dissolved oxygen, ORP, pH, and temperature. Cable length is 1 m. The manufacturer part number is ST420.

Where to buy the OHAUS ST420 electrode worldwide?

You can source the OHAUS ST420 electrode through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time.

How to maintain the OHAUS ST420 electrode?

Rinse the OHAUS ST420 electrode with deionized water after each use and store it in a suitable storage solution, not in air. Avoid touching the bulb tip. Calibrate regularly using pH buffers and conductivity standards. Replace if response becomes sluggish or readings drift.

Used in

Common applications for OHAUS
Pharmaceutical quality control — OHAUS Defender 5000 bench scale for raw material weighing with RS-485 data logging
Environmental water testing — OHAUS ST300D-B handheld dissolved oxygen meter for field DO and temperature measurement
Food processing — OHAUS CX1201 portable balance for portion control and ingredient weighing in dry environments
Laboratory sample preparation — OHAUS modular dry bath block for heating 15 mL tubes in molecular biology protocols
Industrial production — OHAUS D33P75B1R1 bench scale with RS-232 for checkweighing in packaging lines
Histology lab — OHAUS stainless steel tube rack for slide staining and sample organization
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OHAUS Products

3G Electric supplies OHAUS multiparameter electrodes, probes & sensors. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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