BK-220 cheap ph meter low cost ph meter

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USD $50 - $300 / Unit

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Product Details

Place of Origin	Shandong, China		Brand Name	BIOBASE
Model Number	BK-221

FEATURES:

During pH mode, multipoint push-button calibration with auto-buffer recognition.
selectable pH buffer standards IUSA, DIN, NIST or User-definedJ.
Automatically calculates and displays electrode slope aftercalibration.
Calibration due reminder prompts you to calibrate the meter regularly.
During DRP mode, 1 point offset calibration allows user adjusts displayed value to aknown standard.
Absolute or Relative mV measurements provides accurate DRP measured value.
Automatic Temperature Compensation ensures highly accurate measurements over theentire pH range.
Automatic endpoint function freezes the stable measured values foreasy reading and recording data.
Help message as aoperational guide to helps you understand how to use meter.
Setup menu lets user customize pH buffer standards, calibration points, stability conditions ofmeasurement, resolution, temperature units, date/time to meet personal preferences.
Expanded memory stores and recalls up to 5DO readings.
Built-in real-time clock stamps stored data to meets GLP standards.
Stored data can be transferred into personal computer via USB communication interface.

BK-221 is a high performance portable pH/ORP meter designed

for outdoor applications. The meter contains a built-in setup menu

that provides many advanced and useful options to improves

accuracy of measurements and simplify operations.

Specifications:

Model	BK-221
pH Range	-2.000~20.000pH
pH Accuracy	±0.002pH
Resolution	0.001, 0.01, 0.1pH, selectable
mV Range	-1999.9~1999.9mV
mV Accuracy	±0.2mV
Resolution	0.1, 1mV, selectable
Calibration Points	Up to 5 points
Calibration Solutions	USA(pH1.68/4.01/7.00/10.01/12.45), NIST(pH1.68/4.01/6.86/9.18/12.45), DIN(pH1.09/4.65/6.79/9.23/12.75)
Temperature Range	0~105°C, 32~221°F
Temperature Accuracy	±0.5°C, ±0.9°F
Temperature Calibration	Manual
Temperature Compensation	0~100°C, 32~212°F, Automatic or Manual
Auto-Off	Manual or Automatic (10, 20, 30 minutes after last key pressed, selectable)
Hold Function	Manual or Automatic
Stability Conditions	Low or High, selectable
Calibration due reminder	0 to 30 days
Reset Function	Yes
Memory	500 data sets with Date/Time stamping
Output	USB Communication Interface
Connector	BNC
Power Requirements	3×1.5V "AA" Batteries
Battery Life	Approximately 150 hours
Dimensions	170(L)×85(W)×30(H)mm
Weight	300 grams

Zhangqiu Meihua International Trading Co., Ltd.: Contact nameRobert Wang
Chat Now; Phone86-0531-81219803; AddressRoom 204, Complex Building, Boke Biology Industrial Park, North Side Of Jiwang Road, Mingshui Economic Development Zone, Zhangqiu

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