BQSX721 Portable pH/ORP Meter
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
1. 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.
2. Double-parameter meter, equipped with three-in-one combination pH electrode and ORP electrode,
automatic identification of electrode by meter.
3. Automatic identification of 13 pH standard calibration solutions, three options of standard buffer solutions:
Europe and America series, NIST series and China series.
4. Able to set pH measurement modes of high purity water and pure water
5. Meter meets IP57 rating, equipped with calibration solution and portable case.
Techncial Indexes
| 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)ºC(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 ºC(0.01grade) |
| Environmental humidity |
≤85% |
| IP rating |
IP57 Dustproof and waterproof |
Standard Kit Includes
| 1. Model BQSX721 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 |
Certification
Company
Packing&Delivery
Application
FAQ
Q: Are you trading company or manufacturer ?
A: We are factory.
Q: How long is your delivery time?
A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days
if the goods are not in stock, it is according to quantity.
Q: Do you provide samples ? is it free or extra ?
A: We can offer the sample, it is extra
Q: What is your terms of payment ?
A: 100% T/T in advance ,balance before shippment.
Audited Supplier 
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