Hanna Instruments HI6421 User Manual

Specications 8
5. SPECIFICATIONS
5.1. INSTRUMENT
DO*
Range
0.0 to 600.0 % saturation
0.00 to 90.00 mg/L (ppm) concentration
Resolution
0.1 % saturation
0.01 mg/L (ppm)
Accuracy Refer to probe used
DO
calibration
Points One or two points at 100.0 % (8.26 mg/L) and 0.0 % (0.00 mg/L)
Type
Automatic
Manual (user entered value in % saturation, mg/L, or ppm)
Reminder
Daily: 0 min. to 23 hours and 59 min.
Periodic: 1 min. to 30 days, 23 hours and 59 min.
Disabled
Views
Basic
Measurement
› DO
› Pressure
› Temperature (ATC or MTC)
Stability status
Simple GLP
Basic view information
DO last calibration date, barometric pressure, offset, average slope
Full GLP Simple GLP information and calibration point details
Table
Measurements updated every second are displayed in table.
With Manual logging type, configuration displays table of logged data
points.
Graph
(Plot)
DO and temperature versus time (pinch‑to‑zoom for graph pan or zoom)
Barometric
pressure
Range
450.0 to 850.0 mmHg / 600.0 to 1133.2 mbar / 60.00 to 113.32 kPa
17.72 to 33.46 inHg / 8.702 to 16.436 psi / 0.5921 to 1.1184 atm
Resolution 0.1 mmHg / 0.1 mBar / 0.01 kPa / 0.01 inHg / 0.001 psi / 0.0001 atm
Accuracy
±3 mmHg within ±15 % from the calibration point
±3 mmHg ±1, least significant digit
Compensation
Automatic (meter‑integrated barometer)
Manual
* Consider probe’s limits

Hanna Instruments HI6421 Specifications

General

Brand	Hanna Instruments
Model	HI6421
Category	Measuring Instruments
Language	English