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OHAUSMultiparameter Electrodes, Probes & Sensors

OHAUS Electrode: STDO21, 1m Cable, Dissolved Oxygen, 0 to 20 mg/L, Flat, 1 m Cable Lg

The OHAUS STDO21 is a dissolved oxygen electrode with a flat tip shape and a measurement range of 0 to 20 mg/L. It features a Mini-DIN connection type and is constructed from ABS plastic. The electrode includes a…

SKU 3G-OTH-385023

Also listed as: STDO211mCable · STDO21 1m Cable · STDO21-1m-Cable

Brand
OHAUS
Item
Electrode: STDO21, 1m Cable, Dissolved Oxygen, 0 to 20 mg/L, Flat, 1 m Cable Lg
Category
Multiparameter Electrodes, Probes & Sensors
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

OHAUS
Manufacturer Part Number
STDO21, 1m Cable
Type
Dissolved Oxygen, 0 to 20 mg/L, Flat, Mini-DIN
Material
ABS Plastic
Cable
1m
Range
0 to 20 mg/L
Cable Lg
1 m
Tip Shape
Flat
Product Type
Electrode
Connection Type
Mini-DIN
Test Parameters
Dissolved Oxygen

Technical Documents

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

Product Description

The OHAUS STDO21 is a dissolved oxygen electrode with a flat tip shape and a measurement range of 0 to 20 mg/L. It features a Mini-DIN connection type and is constructed from ABS plastic. The electrode includes a 1-meter cable and is designed for multiparameter testing applications.

Frequently Asked Questions

What is the OHAUS STDO21 electrode used for?

The OHAUS STDO21 electrode measures dissolved oxygen levels in water, typically in environmental monitoring, wastewater treatment, and laboratory testing. Its flat tip design suits surface measurements and BOD (biochemical oxygen demand) applications.

What are the specifications of the OHAUS STDO21 electrode?

The OHAUS STDO21 is a dissolved oxygen electrode with a measurement range of 0 to 20 mg/L. It features a flat ABS plastic tip, a 1-meter cable, and a Mini-DIN connector. The manufacturer part number is STDO21, 1m Cable.

Where to buy the OHAUS STDO21 electrode worldwide?

3G Electric supplies the OHAUS STDO21 electrode worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

How to maintain the OHAUS STDO21 dissolved oxygen electrode?

Rinse the OHAUS STDO21 electrode with deionized water after each use and store it in a moist environment per the manufacturer's guidelines. Regularly calibrate using standard solutions to ensure accurate 0 to 20 mg/L readings. Replace the membrane and electrolyte as needed.

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

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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