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
g
h quality &
g
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
g
it hei
g
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
g
e Temp. No ad
j
ust.
Compensation
Dala Hold
T
o feeze the measured pH value on the display.
Samplin
g
Time Approx. 0.4 second.
Operating Temp. 0 to 50 ( 32 to 122 )℃℉
Operatin
g
Less than 80% RH.
Humidity
Calibration Knob External PH 4 (slope ad
j
.) & PH 7 (Cal. ad
j
.).
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
g
ht 220
g
/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