Product Details

The most cost effective pH+OPR double-parameter meter, suited for industrial and mining factories, power plant, water treatment project and environmental protection industry, especially suited in field and on-site.

Introduction

Built-in microprocessor chips, intelligent functions such as automatic calibration, automatic temperature compensation, data storage, function set-up, self-diagnose information, automatic power-off and low voltage display.

Double-parameter meter, equipped with three-in-one combination pH electrode and ORP electrode, automatic identification of electrode by meter.

Automatic identification of 13 pH standard calibration solutions, three options of standard buffer solutions: Europe and America series, NIST series and China series.

Able to set pH measurement modes of high purity water and pure water with ammonia

Meter meets IP57 rating, equipped with calibration solution and portable case.

Specifications

Category	Product Name	Basic features and specifications
PH	Measuring range	(-2.00 ~ 19.99)pH
	Resolution	0.1/0.01 pH
	Accuracy	Meter:±0.01pH; Overall: ±0.02pH
	Input current	≤2×10-12 A
	Input impendance	≥1×1012 Ω
	Stability	±0.01 pH/3h
	Temp. compensation range	(0 ~ 100)℃(automatic)
ORP	Measuring range (mV/ORP/EH)	-1999mV ~ 0 ~ 1999mV
	Resolution	1mV
	Accuracy	Meter:±0.1% FS, Overall: ±15mV
Other Technical Parameters	Data storage	200 groups
	Storage content	Series number, measuring value measuring unit and temperature,
	Power	Two AA batteries (1.5V x2)
	Size and weight	meter:(65×120×31)mm/180g;Suitcase: (360×270×76)mm/1.6Kg
	Quality and safety certification	ISO9001:2000, CE and CMC
Working Condition	Environment temperature	5 ~ 35 ℃(0.01grade)
	Environmental humidity	≤85%
	IP rating	IP57 Dustproof and waterproof

Standard Kit Includes

1. Model SX721 pH/ORP meter	1unit
2. 201T-S plastic pH/ATC three-in-one combined electrode	1pc
3. 301Pt-s plastic ORP combined electrode	3pc
4. pH standard buffer solution(pH4.00, pH7.00 and pH10.01/50mL)	1btl/each
5. 220mV ORP standard solution(50mL)	1pc
6.Screw driver	1pc
7. Spare AA batteries	2pcs
8. Operation manual	1pc
9. Carrying case	1unit

Optional Accessories

Accessory Category	Description	Specifications
pH combination electrode	201T-S plastic three-in-one pH electrode	Measure pH and temperature simultaneously, ATC, suited for general pH measurement, 8 pin conncetor.
	2503DT-S glass three-in-one combintion pH electrode	ATC, suited for pH measurement of solution under low temperature and pure water, 8 pin connector.
	Glass flow cell	Match 2503DT-S electrode.
ORP combination electrode	301Pt-S Plastic ORP combination electrode	Suited for general ORP measurement, 8 pin connector.
pH buffer	pH4.00 buffer	500mL/250mL/50mL(bottle)
	pH6.86 buffer	500mL/250mL/50mL(bottle)
	pH9.18 buffer	500mL/250mL/50mL(bottle)
	pH7.00 buffer	500mL/250mL/50mL(bottle)
	pH10.01 buffer	500mL/250mL/50mL(bottle)
Electrode soaking solution	pH(ORP)combination electrode soaking solution	500mL/250mL/50mL(bottle)
ORP standard solution	222 mV ORP standard solution	250mL/100mL/50mL(bottle)
Portable case	Small portable case(255×210×50)mm	Match single electrode.
Portable case	Big portable case(360×270×76)mm	Match multi- electrode