Best Ph Meters · head-to-head

Milwaukee Instruments MW102 PRO+ 2-in-1 pH and Temperature Meter vs Atlas Scientific pH Kit (KIT-101P) — EZO pH Circuit + Gen 3 Lab Grade Probe

A sourced, side-by-side comparison. Atlas Scientific pH Kit (KIT-101P) — EZO pH Circuit + Gen 3 Lab Grade Probe is cheaper at $174.99. Every spec and price links to its source.

Full spec sheet

marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.

Spec Milwaukee Instruments MW102 PRO+ 2-in-1 pH and Temperature Meter Atlas Scientific pH Kit (KIT-101P) — EZO pH Circuit + Gen 3 Lab Grade Probe
US price $174.99
BrandMilwaukee InstrumentsAtlas Scientific
Released
Ph range -2.00 to 16.00 pH 0 to 14 pH
Resolution ph 0.01 pH 0.001 pH
Accuracy ph ±0.02 pH ±0.002 pH (probe reading accuracy)
Calibration points Automatic, 1 or 2 points Up to 3-point; kit includes 6x 20ml calibration solution pouches (2x pH 4, 2x pH 7, 2x pH 10)
Atc Automatic, 0 to 70°C
Electrode type SE220 gel-filled double-junction lab-grade pH electrode + MA831R temperature probe (both included) Double-junction Ag/AgCl Gen 3 Lab Grade pH probe (BNC connection to EZO pH circuit board)
Waterproof rating
Battery type 1 x 9V, approx. 300 hours continuous use None — EZO circuit is powered by the host carrier/development board, no internal battery

Sources — Milwaukee Instruments MW102 PRO+ 2-in-1 pH and Temperature Meter: milwaukeeinstruments.eu (verified 2026-08-12). Atlas Scientific pH Kit (KIT-101P) — EZO pH Circuit + Gen 3 Lab Grade Probe: atlas-scientific.com (verified 2026-08-12).

What's the difference between the Milwaukee Instruments MW102 PRO+ 2-in-1 pH and Temperature Meter and Atlas Scientific pH Kit (KIT-101P) — EZO pH Circuit + Gen 3 Lab Grade Probe?

Where the two actually differ on the specs we track (6 of 8). Matching specs are omitted.

  • Ph range: Milwaukee Instruments MW102 PRO+ 2-in-1 pH and Temperature Meter -2.00 to 16.00 pH vs Atlas Scientific pH Kit (KIT-101P) — EZO pH Circuit + Gen 3 Lab Grade Probe 0 to 14 pH
  • Resolution ph: Milwaukee Instruments MW102 PRO+ 2-in-1 pH and Temperature Meter 0.01 pH vs Atlas Scientific pH Kit (KIT-101P) — EZO pH Circuit + Gen 3 Lab Grade Probe 0.001 pH
  • Accuracy ph: Milwaukee Instruments MW102 PRO+ 2-in-1 pH and Temperature Meter ±0.02 pH vs Atlas Scientific pH Kit (KIT-101P) — EZO pH Circuit + Gen 3 Lab Grade Probe ±0.002 pH (probe reading accuracy)
  • Calibration points: Milwaukee Instruments MW102 PRO+ 2-in-1 pH and Temperature Meter Automatic, 1 or 2 points vs Atlas Scientific pH Kit (KIT-101P) — EZO pH Circuit + Gen 3 Lab Grade Probe Up to 3-point; kit includes 6x 20ml calibration solution pouches (2x pH 4, 2x pH 7, 2x pH 10)
  • Electrode type: Milwaukee Instruments MW102 PRO+ 2-in-1 pH and Temperature Meter SE220 gel-filled double-junction lab-grade pH electrode + MA831R temperature probe (both included) vs Atlas Scientific pH Kit (KIT-101P) — EZO pH Circuit + Gen 3 Lab Grade Probe Double-junction Ag/AgCl Gen 3 Lab Grade pH probe (BNC connection to EZO pH circuit board)
  • Battery type: Milwaukee Instruments MW102 PRO+ 2-in-1 pH and Temperature Meter 1 x 9V, approx. 300 hours continuous use vs Atlas Scientific pH Kit (KIT-101P) — EZO pH Circuit + Gen 3 Lab Grade Probe None — EZO circuit is powered by the host carrier/development board, no internal battery

← All ph meters compared · Open data