OHAUS ST400D-G Handheld Dissolved Oxygen Meter
The OHAUS ST400D-G is a handheld dissolved oxygen meter that measures DO concentration up to 200% with a resolution of 0.01 mg/L and accuracy of ±0.2 mg/L. It also provides temperature accuracy of 0.3° C and includes…
SKU 3G-OTH-380816
Also listed as: ST400DG · ST400D G
Local availability & support
- Delivery
- Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
- Payment
- Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.
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Product Description
The OHAUS ST400D-G is a handheld dissolved oxygen meter that measures DO concentration up to 200% with a resolution of 0.01 mg/L and accuracy of ±0.2 mg/L. It also provides temperature accuracy of 0.3° C and includes (4) AAA batteries for operation.
Frequently Asked Questions
What is the OHAUS ST400D-G dissolved oxygen meter used for?
The OHAUS ST400D-G is a handheld meter used to measure dissolved oxygen concentration in water, ideal for wastewater treatment, aquaculture, and environmental monitoring. It provides readings up to 200% DO with 0.01 mg/L resolution and ±0.2 mg/L accuracy, plus temperature measurement with 0.3° C accuracy.
What are the specifications of the OHAUS ST400D-G?
The OHAUS ST400D-G measures dissolved oxygen up to 200% concentration with 0.01 mg/L resolution and ±0.2 mg/L accuracy. Temperature accuracy is 0.3° C. It includes (4) AAA batteries for operation. The manufacturer part number is ST400D-G.
Where to buy the OHAUS ST400D-G worldwide?
3G Electric supplies the OHAUS ST400D-G dissolved oxygen meter to customers worldwide. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we source genuine OHAUS instruments for global industrial and laboratory applications.
How to calibrate the OHAUS ST400D-G dissolved oxygen meter?
Calibrate the OHAUS ST400D-G using a two-point method: first in water-saturated air (100% saturation) and then in a zero-oxygen solution (e.g., sodium sulfite). Follow the meter's menu prompts. Always use fresh calibration standards and rinse the probe between steps for accurate ±0.2 mg/L readings.
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3G Electric supplies OHAUS handheld dissolved oxygen meters. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.