VOLTCRAFT YK-21PH User manual

PH METER

Model : YK-21PH ISO-9001, CE, IEC1010

FEATURES

* High quality & general purpose pH

measurement.

* Easy operation, compact size.

* Water resistance on the front panel.

* All function keys are used the rubber

button.

* Large LCD display.

* 0 to 14 pH x 0.01 pH

* High input impedance.

* Not necessary to adjust the pH range

Temperature Compensation

PH METER

Model : YK-21PH

FEATURES

* Hi

h quality &

eneral purpose pH measurement. * Water resistance on the front panel.

* Easy operation, compact size. * All function keys are used the rubber button.

GENERAL DESCRIPTIONS

Display LCD, 21.5 mm ( 0.7" ) di

it hei

ht.

Measurement 0 to 14 pH x 0.01 pH

Resolution

Accuracy ± 0.07 pH ( pH5 to pH 9) ± 0.1 pH ( pH 4 to pH 10)

± 0.2 pH ( pH 1 to pH 3.9, pH 10.1 to pH 13)

* Main instrument only.

Input Impedance

10 ohms.　

PH ran

e Temp. No ad

ust.

Compensation

Dala Hold

o feeze the measured pH value on the display.

Samplin

Time Approx. 0.4 second.

Operating Temp. 0 to 50 ( 32 to 122 )℃℉

Operatin

Less than 80% RH.

Humidity

Calibration Knob External PH 4 (slope ad

.) & PH 7 (Cal. ad

.).

Power Supply 006P DC 9V battery.

Power Approx. 2.0 mA.

Consumption

Dimension 205 x 68 x 30 mm( 8.1 x 2.7 x 1.2 inch ).

Wei

ht 220

/0.48 LB.

pH electrode Any connector pH Electrode with BNC connector.

(Optional)

Standard Instruction Manual.......................................1 PC.

Accessories

Optional pH electrode.

Accessories pH 4.0 buffer solution, pH 7.0 buffer solution.

APPLICATIONS

* AQUARIUMS * PAPER INDUSTRY * FOOD PROCESSING * SCHOOLS & COLLEGES

* BEVERAGE * PLATING INDUSTRY * PHOTOGRAPHY * SWIMMING POOLS

* FISH HATCHERIES * QUALITY CONTROL * LABORATORY * WATER CONDITIONING

OPTIONAL ACCESSORIES

pH ELECTRODE General purpose pH electrode with BNC conector.

PE-03 Range : 1 to 13 pH ( typical 0 to 14 pH ).

Expoxy body, Body size : 12 mm dia. x 160 mm.

Cable length : 1 meter.

pH ELECTRODE General purpose & high quality pH electrode with BNC conector.

PE-11 Range : 1 to 13 pH ( typical 0 to 14 pH ).

Expoxy body, Body size : 9.5 mm dia. x 120 mm.

Cable length : 2 meter.

pH ELECTRODE Professional, laboratory &

PE-01 field usage. 9.5 mm dia. x 130 mm.

Epoxy body, 0 - 14 pH.

Cable length : 1 meter.

SPEAR TIP The " Spear Tip pH electrode " is perfect for those pH

PH ELECTRODE measurements in applications where sample piercing is required.

Model : PE-04HD Meat, sausage and cheese are ideal applications. The electrode

features a very durable glass measuring spear packaged in a

rugged virtually unbreakable epoxy body.

Measuring range : 0 to 14 pH .

Size 12 mm dia. x 150 m.

BUFFER SOLUTION PH 7.00 standard buffer solution.

PH-07

BUFFER SOLUTION PH 4.00 standard buffer solution.

PH-04

Carrying case Hard carrying case, CA-06

* Appearance and specifications listed in this brochure are subject to change without notice. CAT-0304-YK21PH

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