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Lutron Soil PH and Moisture Meter (PH-220S)

Display 20 x 28mm.
Measurement range 0 to 14 pH x 0.01pH.
Resolution 0.01 pH.
Accuracy ± 0.07 pH (pH 5 to pH9).

The Lutron PH-220S is designed for measuring pH in soil. It consists of a handheld digital meter with LCD screen and a spear tip probe on a 750mm cable. This probe has a durable glass measuring spear which is contained in a rugged epoxy body. It is ideal for the measurement of both soil and other semi-solid substances.

This meter has a measurement range of 1 to 13 pH with a resolution of 0.01 pH.The PH-220S is powered by one AAA battery (included). pH 4 / pH 7 buffer solutions and a user manual are also supplied.

FEATURES OF LUTRON SOIL PH AND MOISTURE METER (PH-220S)

Display 20 x 28mm.
Measurement range 0 to 14 pH x 0.01pH.
Resolution 0.01 pH.
Accuracy ± 0.07 pH (pH 5 to pH9); ± 0.1 pH (pH 4 to pH 4.9, pH 9.1 to pH 10); ± 0.2 pH (pH 1 to pH 3.9, pH 10.1 to pH 13).
Input impedance 10-12 ohms.
Temperature compensation Not necessary to make adjustment.
Sampling time Approx 0.8 second.
Hold function To freeze the display reading value.
Calibration method Auto calibration, pH 7, pH 4 (or pH 10)*.
pH electrode connector BNC connector.
Operating temperature 0 to 50°C (32 to 122°F).
Operating humidity Less than 80% RH.
Power supply DC 1.5V battery (UM-4/AAA).
Power consumption Approx 4.8mA.
Dimensions Meter 180 x 40 x 32mm; Electrode 12 x 150mm; Electrode cable 750mm.
Weight 220g (0.48lb) including electrode.
pH Measuring range 1 to 13pH (typical 0 to 14 pH).
pH Operation temperature 5 to 60°C (41 to 140°F).
pH Electrode structure Combination type.
Reference of pH electrode Ag/AgCl, Double junction.
Zero potential for pH value 7 ± 1 pH.
Repeatability 0.05 pH.
Response time < 2 minutes.
Connector BNC.
Mechanical protection With protection bottle on the electrode head * Weight: 68g (including cable and socket).
Dimensions Body length 150mm; Body diameter 12mm; Cable length 750mm.

SPECIFICATION OF LUTRON SOIL PH AND MOISTURE METER (PH-220S)

Name	Details
Model	PH-220S
Brand	Lutron
Origin	Taiwan
Display	20 x 28mm.
Measurement range	0 to 14 pH x 0.01pH.
Resolution	0.01 pH.
Accuracy	± 0.07 pH (pH 5 to pH9); ± 0.1 pH (pH 4 to pH 4.9, pH 9.1 to pH 10); ± 0.2 pH (pH 1 to pH 3.9, pH 10.1 to pH 13).
Input impedance	10-12 ohms.
Temperature compensation	Not necessary to make adjustment.
Sampling time	Approx 0.8 second.
Hold function	To freeze the display reading value.
Calibration method	*Auto calibration, pH 7, pH 4 (or pH 10).**
pH electrode connector	BNC connector.
Operating temperature	0 to 50°C (32 to 122°F).
Operating humidity	Less than 80% RH.
Power supply	DC 1.5V battery (UM-4/AAA).
Power consumption	Approx 4.8mA.
Dimensions	Meter 180 x 40 x 32mm; Electrode 12 x 150mm; Electrode cable 750mm.
Weight	220g (0.48lb) including electrode.
pH Measuring range	1 to 13pH (typical 0 to 14 pH).
pH Operation temperature	5 to 60°C (41 to 140°F).
pH Electrode structure	Combination type.
Reference of pH electrode	Ag/AgCl, Double junction.
Zero potential for pH value	7 ± 1 pH.
Repeatability	0.05 pH.
Response time	< 2 minutes.
Connector	BNC.
Mechanical protection	*With protection bottle on the electrode head Weight: 68g (including cable and socket).**
Dimensions	Body length 150mm; Body diameter 12mm; Cable length 750mm.