Lutron PH-207 – pH Meter

GENERAL SPECIFICATIONS

Circuit

Custom one-chip of microprocessor LSI circuit.

Power off

Auto shut off saves battery life, or manual off by push button.

Display

Dual function meter’s display, 13 mm ( 0.5″ ). Super large LCD display with contrast adjustment for best viewing angle.

Data Output

RS 232 PC serial interface.

Over input indication

Indication of “- – – -“.

pH Electrode

Any combination pH electrode with BNC connector.

Measurement

PH

0 to 14 pH

mV

0 to 1999 mV

Operating Temperature

0°Cto50°C(32 to122°F).

Temperature

0 to 65 °C

32 to 150

Operating Humidity

Less than 80% RH.

Input Impedance

10 12ohms.

Sampling Time

Approx. 0.8 second.

Temperature Compensation

For
pH Range

Manual

0 to 100 °C, adjusting by push button on

front panel.

Power Supply

Heavy duty type, 006P DC 9V battery MN1604 ( PP3 ) or equivalent.

Power Current

Approx. DC 5.7 mA.

Automatic

With the optional TEMP. probe, 0 to 65 °C.

Weight

270 g/0.59 LB .

Size

180 x 72 x 32 mm (7.1 x 2.8 x1.3 inch).

Calibration For
pH Range

Built in SLOPE ( PH 4 ) & CAL. ( PH 7 ) calibration VR
( multi-turns potentiometers ) on front panel, high reliability.

Standard Accessories

Instruction manual………..1 PC.

Optional Accessories

Carrying case.
pH electrode, PE-01. PE-11. pH electrode, PE-03, PE-04HD ATC temp. probe, TP-07.
pH4 buffer solution, PH-04. pH7 buffer solution, PH-07.

Data hold Memory Recall

To hold the reading values on display. Records Maximum, Minimum and Average readings with RECALL.

ELECTRICAL SPECIFICATIONS (23± 5 °C)

Measurement

PH

mV

Temp. ( °C )

Temp. (°F )

Range

0 to 14 pH

0 to 1999 mV

0 to 65 °C

32 to 150 °F

Resolution

0.01 pH

1 mV

0.1 °C

0.1 °F

Accuracy

± ( 0.03 PH + 2 d)

± ( 0.5% + 1 d )

0 – 50 °C : ± 1°C

32-122 °F: ± 1.8 °F

> 50°C : ± 4°C

> 122 °F: ± 7.2°F