ST300D

Measurement Range	20.0 – 45.0 mg/L;0.00 – 19.99;200 – 400%;0 – 50°C
Measurement Resolution	0.1%;1%;1 mg/L;0.1 °C;0.1 ppm;1 ppm;0.1 mg/L
Accuracy	± 1%;± 0.3 mg/L;±0.3 °C
Item Number:	30031655

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Overview
Specs
Accessories
Documents

Overview

After more than a century of perfecting the art of measurement through our durable weighing products, OHAUS precision is now available in the form of a portable dissolved oxygen (DO) meter. This portable meter offers convenience, reliability and durability in one compact design.

Applications

Dissolved oxygen (DO) measurement

Display

Liquid crystal display (LCD)

Operation

4 AAA batteries (included)

Communication

N/A

Construction

ABS housing, wrist strap

Design Features

30 measurement memory

Specifications

Measurement Range	20.0 – 45.0 mg/L;0.00 – 19.99;200 – 400%;0 – 50°C
Measurement Resolution	0.1%;1%;1 mg/L;0.1 °C;0.1 ppm;1 ppm;0.1 mg/L
Accuracy	± 1%;± 0.3 mg/L;±0.3 °C
Display	LCD
Electrode	STTEMP30 (Included);STDO11 (Included)
Accuracy DO	1 %
Accuracy ± (Temperature)	0.3 °C
Battery Life	250 Hours with Disposable Batteries
Calibration	2 Point
Dimensions	6.69 in x 1.38 in x 3.54 in (170 mm x 35 mm x 90 mm) (LxHxW)
In-Use Cover	No
Measurement Range DO	0 % – 200 % ; 200 % – 400 % ; 0 ppm – 20 ppm ; 20 ppm – 45 ppm
Measurement Range (Temperature)	0 °C – 50 °C
Net Weight	0.35 lb (0.16 kg)
Parameter	Dissolved Oxygen
Power	4 AAA (LR03) Batteries (Included)
Resolution (DO)	0.01;0.1
Resolution Range (DO)	0 – 19.9 ; 20 – 45
Temperature compensation	Yes
Temperature resolution	0.1 °C
Temperature Sensor	30 KΩ NTC
Working Environment	41°F – 104°F, 80% RH, Non-condensing (5°C – 40°C, 80% RH, Non-condensing)