The HI98198 Optical Dissolved Oxygen Meter makes measuring the concentration of dissolved oxygen hassle-free. Optical DO technology doesn't require a minimum flow rate, so there is less drift in your readings. Perfect for the field or for the laboratory, the Quick Connect probe requires no membranes, no filling solution, and no warm-up time so you can measure without hesitation. Your meter comes complete in a rugged, custom carrying case for easy transportation.
- Optical DO technology for fast and stable readings, even in tough environments.
- Digital probe with Smart Cap Technology eliminates costly, tiresome membranes and solutions.
- An IP67-rated waterproof, rugged body makes this portable meter ideal for field use.
HI98198 measures dissolved oxygen levels in water using enhanced optical dissolved oxygen technology to ensure high levels of accuracy. With built-in methods and calculations for the measurement of Biological Oxygen Demand (BOD), Oxygen Uptake Rate (OUR), and Specific Oxygen Uptake Rate (SOUR), there is no need for manual conversions.
Ensure that your data can be trusted with GLP data. Accessible by a fixed dedicated key, this data includes date, time, pressure, calibrated value, temperature and salinity value of the last calibration.
Versatile Data Logging
The HI98198's log-on-demand feature allows you to store up to 4000 readings. The AutoEnd button can be used during measurement to hold the first stable reading on the display automatically.
Focus on What Matters
When you put on a new cap, your meter will detect and initialize it. It will remind you when your cap needs to be replaced, is damaged, or is missing, giving you one less thing to worry about.
Superior Field Usability
An IP67-rated, waterproof meter means that bad weather, splashes, and dust won't stop you from taking important measurements. The HI98198 is built to withstand immersion in water of 1m for up to 30 minutes. A large display and back light feature ensure that all of your important information is easily visible, no matter the amount of light.
The ultra-versatile USB-C port integrates seamless transfer of data. There is no need for software- simply connect a USB-C and send your data as a .csv to a memory stick, computer, or android device.
Quick Connect Probe
The Quick Connect fitting is designed for quick and easy installation of the DO probe. A watertight connection without threads make attaching and removing the probe simple.
HI764113 Rugged Optical DO Probe for Fresh and Saltwater Applications
A robust ABS body and stainless steel protective guard ensure durability when measuring in tough environments. With an IP68 rating, this probe is totally sealed against water and dust.
Professional Level Performance
The domed cap repels bubbles for better measurement sensitivity, providing a fast response time.
With no additional membranes to change and no electrolyte needed, the opdo probe is ready to work right when you need it.
Oxygen, Dissolved Measurement Type Optical Oxygen, Dissolved Range 0.00 to 50.00 mg/L / 0.0 to 500.0% saturation Oxygen, Dissolved Resolution 0.01 mg/L / 0.1% saturation Oxygen, Dissolved Accuracy
1.5% of reading ± 0.01mg/L for 0.00‑20.00mg/L
5% of reading for 20.00‑50.00mg/L
1.5% of reading ±0.1% for 00‑200.0%
5% of reading for 200.0‑500.0%
Oxygen, Dissolved Calibration
• One or two points automatic calibration at 100% (8.26 mg/L) and 0% (0 mg/L)
• Single point manual using a value entered by the user in % saturation or mg/L.
Oxygen, Dissolved Temperature Compensation Automatic from ‑5.0 to 50.0 °C (23.0 to 122.0 °F) Barometric Pressure Compensation Single point anywhere within pressure range Salintiy Compensation Automatic from 0 to 70 PSU (manually set) Altitude Compensation Automatic from 420 to 850 mmHg
Temperature Range ‑5.0 to 50.0 °C (23 to 122 °F) Temperature Resolution 0.1 °C (0.1 °F) Temperature Accuracy ±0.3 °C (±0.4 °F)
DO Probe HI764113 Optical Probe Logging Type On demand with 4000 records capability Connectivity USB-C Automatic Shut-Off User selectable: 5, 10, 30, 60 minutes or disabled GLP Yes- includes last 5 calibrations Calibration Timeout Reminder Yes- user selectable “Calibration due” warning Autoend Yes Display LCD (back lighted display) Battery Type / Life 1.5V AA batteries (4 pcs.) / approx. 200 hours of continuous use without backlight (50 hours with backlight) Environment 0 to 50 °C (32 to 122 °F) max. RH 100% Dimensions 185 x 93 x 35.2 mm (7.3 x 3.6 x 1.4”) Weight (with batteries) 450 g (15.9 oz) Ordering Information Each meter is supplied with: • HI764113 Optical DO probe with built‑in temperature sensor, protective shield and 4 m (13’4) cable, HI764113‑1 Smart Cap™ with o‑ring, HI7040 Bicomponent Zero Oxygen Solution, Calibration/storage vessel, 100 mL plastic beaker (2 pcs.), 1 syringe with silicon grease, 1 lens wipe, 1.5V AA batteries (4 pcs.), Instruction manual, Meter quality certificate, Probe quality certificate, Cap quality certificate, USB Type A to C cable. Warranty
HI98198 and HI764113: 2 years
HI764113‑1: 1 year
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