Trans Instruments (S) Pte Ltd

5 Jalan Kilang Barat #06-04/05 Petro Centre 159349 Singapore ,

WalkLAB Digital Dissolved Oxygen Meter HD9030

The WalkLAB Dissolved Oxygen Meter is designed for full portability. This economical meter is most suitable for use at sea level and for fresh water. It comes with a standard 1 meter probe. An optional 3 or 5 meter probe can be purchased or ordered on request. The specially designed strap-on, hang over bag is fully equipped with all accessories needed to operate the meter. Each unit comes with an extra membrane, a bottle electrolyte and with a salinity conversion table for quick conversion. This basic DO meter is most popular with aquaculture users due to its simplicity. Advanced Features: Utilization of microcontroller technology provides fast, accurate readings allowing digital repeatability Fast In-Air calibration. Uses durable long lasting components including a light weight chemical resistant HDPP casing Large and easy to read Liquid Crystal Display

Technical Specification

Technical Specification


Model: WalkLAB Digital Dissolved Oxygen Meter
Range: 0 - 20 mg/L
Display Resolution: 0.1 mg/L
Accuracy (machine only): ± 0.4 mg/L
Temperature compensation: 0 to 40°C
Operating Temperature: 0 to 50°C
Operating humidity: Maximum 80% relative humidity
Battery type: DC9V (1604A, 6LF22 or equivalent)
Battery life: Approximately 80 hours
Size: 164 x 83 x 35mm
Weight: 350gm (main unit including battery)
Click to download Instructions Manual

Standard Accessories

Standard Accessories

Main instruments

PD9031 - Dissolved oxygen electrode with 1m cable

SDK9030 - Filling Solution - D.O. Electrolyte -50ml

AD9032 - Dissolved Oxygen Diaphragm Cap (2pc/pack)


Carrying case

Operation manual

Optional Accessories

Optional Accessories

PD9033 Dissolved Oxygen electrode with 3 meter cable HD9033
PD9035 Dissolved Oxygen electrode with 5 meter cable for HD9035