SKU: MW600

Milwaukee PRO Dissolved Oxygen Meter

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Categories: SKU: MW600

MW600 PRO portable dissolved-oxygen meter
Designed for aquaculture, environmental sampling and teaching labs where high accuracy is essential. The instrument is hand-held and rugged, but proper membrane handling and two-point calibration are still required for best results.

Main features

  • Durable housing – compact ABS enclosure and splash-proof keypad
  • Field-grade accuracy (±1.5 % F.S.) across a 0.0 – 19.9 mg L−1 range
  • MA840 polarographic probe – refillable; includes five replacement membranes
  • Automatic temperature compensation from 0 – 30 °C
  • 70 h battery life on one 9 V alkaline cell (included)

Technical specifications

Measurement range 0.0 – 19.9 mg L−1
Resolution 0.1 mg L−1
Accuracy ±1.5 % full scale
Calibration Manual, two points (zero & slope)
Temperature compensation Automatic, 0 – 30 °C
Operating conditions 0 – 50 °C; ≤95 % RH (non-condensing)
Probe MA840 polarographic, refillable
Membranes supplied 5
Power supply 1 × 9 V alkaline battery
Battery life ≈ 70 h continuous use
Dimensions 145 × 80 × 40 mm (5.7 × 3.1 × 1.6 in)

Note: Accurate readings depend on correct membrane installation, electrolyte refilling and regular two-point calibration. Detailed instructions are supplied in the user manual.

MW600 vs MW605 — choosing the right DO meter

Feature MW600 PRO MW605 MAX
Probe type MA840 polarographic (requires warm-up & stirring) MA860 galvanic (ready immediately, built-in temp. sensor)
DO range (mg L−1) 0.0 – 19.9 0.00 – 45.00
Resolution 0.1 mg L−1 0.01 mg L−1  / 0.1 % sat.
Accuracy ±1.5 % full scale ±1.5 % of reading
Calibration Manual 2-point (zero & slope) 1 or 2 points
(0 % & 100 % sat.)
Compensation Automatic temp. (0 – 30 °C) Automatic temp., plus manual salinity & altitude
Data logging Not available Up to 1 000 records, USB export
Ingress rating Splash-proof housing IP67 waterproof meter & probe
Battery life ≈ 70 h (1 × 9 V) ≈ 200 h (3 × AA)
When to choose Routine spot checks, teaching labs, small aquaculture tanks Field work, high-precision research, long deployments, logging

Tip: If you need quick startup, wider range or on-board logging, the MW605 MAX is usually the better fit. For basic dissolved-oxygen monitoring where a short probe warm-up is acceptable, the MW600 PRO remains a solid, lower-cost option.

Testing Parameters

DO

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