pH Tester® Specifcations:

• Range: 0.00 to 14.99 pH extended range.
• Resolution: 0.01 pH.
• Accuracy: ± 0.01 pH (at normal room temperature; ± 0.05 pH at extremes in temperature range).
• Operating Temperature: 0 to 50°C (32 to 122°F).
• Power and battery life: Four 1.5 V alkaline batteries (included). 250 hrs. continuous use (approx). Equivalent replacement Eveready A761 LR44.
• Pocket-sized: 6.5” x 1.5” diameter
• Weight: 3.25 oz.(90 g)

• Conductivity (ECTestr low)
• Range: 0 to 1990 µS.
• Resolution: 10 µS.
  Accuracy: ± 1% full-scale.
• Operating Temperature: 0 to 50°C (32 to 122°F).Power and battery life: Four 1.5 V alkaline batteries (supplied). 100 hrs. continuous use (approx. 600 tests per batterypack). Alternate replacement model LR44.
• Pocket-sized: 6.5” x 1.5” diameter
• Weight: 3.25 oz.(90 g)

• Measurement Range: 0 to 1000 NTU.
• Automatic Range Selection: 0.01-19.99 NTU, 20.0-99.9 NTU,100-1000 NTU.
• Resolution: 0.01 NTU (0-19.99 NTU), 0.1 NTU (20.0-99.9 NTU),1 NTU (100-1000 NTU).
• Accuracy: ± 2% of measurement for 0 to 500 NTU,± 3% of measurement for 501 to 1000 NTU.
• Light Source: Infrared-emitting diode (850 nm wavelength).
• Operating Temperature Range: 32°F to 122°F (0 to 50°C).
• Power Supply: Four AAA Alkaline batteries (>1200 measurements).
• Dimensions: 2.7” wide x 6.1” long x 1.8” high (6.8 x 15.5 x 4.6 cm)
• Weight: 7 oz.(200 g)