EziLab supplies the Tabletop Dissolved Oxygen Meter EZL-TDO121 for environmental laboratories that need fixed bench-mounted dissolved oxygen measurement, sharing the same 0-20 mg/L range and auto compensation as the desktop and compact portable units in this catalog. This dissolved oxygen tester measures the same practical concentration span as its sibling instruments, from oxygen-depleted wastewater through well-aerated water sources, with automatic temperature and pressure compensation removing the manual correction step that raw dissolved oxygen readings would otherwise require. As a tabletop configuration rather than the compact field-portable model in this line, this unit suits environmental labs running routine sample-based testing on a fixed bench setup, where consistent lab conditions and a stable measurement station matter more than the field mobility the portable unit provides. Labs choosing among the dissolved oxygen instruments in this catalog should weigh whether samples are tested on-site in the field or brought back to a lab bench, since that workflow difference — not the underlying measurement range or compensation capability, which stays consistent across the line — is the deciding factor between the tabletop, desktop, and compact portable configurations. Environmental labs running consistent bench-based dissolved oxygen testing get a stable, fixed-setup instrument here. See the Dissolved Oxygen Tester and Tabletop Dissolved Oxygen Meter ranges for bench-based water quality testing needs across USA environmental laboratory settings.
| Parameters | Concentration, Saturation, Temperature |
|---|---|
| DO Range | 0.00 to 20 mg/L (ppm) |
| Resolution | 0.01/0.1 |
| DO Accuracy | ± 0.3 % |
| DO Saturation | 0.0 to 200 % |
| Saturation Resolution | 0.001 |
| Saturation Accuracy | ± 2.0 % FS |
| Temperature Measuring Range | 0 °C to 100 °C |
| Temperature Resolution | 0.1 °C |
| Temperature Accuracy | ± 0.1 °C |
| Temperature Compensation Range | 0 °C to 100 °C ( Automatic) |
| Salinity Compensation Range | 0.0 to 50.0 g/L |
| Pressure Compensation Range | 80 kPa to 105 kPa (Automatic) |
| Pressure Resolution | 1 |
| Pressure Accuracy | ± 2 % |
| Stability | ± 0.07 mg/L/1h |
| Response Time | ≤ 30 s (25 °C, 90 % Response) |
6.5-inch colour capacitive screen, display all parameters
Long lasting Omron, light touch panel can be used more than 100, 000 times
Auto-calibration, auto-temperature compensation, data storage, USB data export
Auto-stabilization, membrane integrity function, bar code compatibility, and real-time clock
Wireless printing function, self-diagnosis, adjustable screen brightness
Data storage of 500 data sets can be saved and transferable
DO mode have functions of ATC, auto salinity compensation and auto pressure compensation
Polarographic DO electrode can measure temp., salinity and DO
Equipped with DO Electrode calibration sleeve, only need 3-5 minutes of polarization
Combined diaphragm cap, replace sensitive membrane just by screwing new cap
Wireless Bluetooth block
Waterproof and dustproof IP54 housing
It is a specialized instrument that is used to test the oxygen content of solutions in: boiler feed water, condensate water and environmental protection sewage, and other industries.
DO Meter LO-TDOM200 Series 1 unit
Composite DO electrode 1 pc
Rotary electrode holder 1 pc
12V Power adapter 1pc
Membrane cap 3 pcs
DO electrode electrolyte (30ml) 1 bottle
Brief operating manual 1 copy
