Seven Direct SD20 pH/mV Meter
pH or ORP measurements are common procedures in most laboratories and accurate results often critical for safety and product quality. Developed for a wide range of applications, SevenDirect™ SD20 benchtop meters provide reliable measurements of almost any sample. Their ease of use, data handling options and robustness will delight discerning users. No matter what industry—these features make a difference: • 7’’ touchscreen with intuitive user interface • uFocus mode for most important parameters • Status Light allowing for an easy readiness check • Two level user management to protect instrument settings • Easy sample ID entry helping to keep track of results • Optional EasyDirect™ software for simplified data handling • IP54 protection against dust and spills
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What types of textile testing equipment does Visiontex Co. offer?
Visiontex Co. provides a wide range of textile testing equipment, including instruments for testing fabric strength, colorfastness, pilling, abrasion resistance, and more. We aim to support laboratories with accurate and reliable tools for all aspects of textile quality assessment.
Do you provide calibration services for laboratory equipment?
Yes, we offer professional calibration services to ensure that your laboratory equipment performs accurately and complies with industry standards. Our team provides certified calibrations and maintains traceability to recognized standards.
Are Visiontex Co.’s calibration services accredited?
Yes, our calibration services are conducted by authorized and certified professionals. We follow rigorous standards and issue calibration certificates that meet industry requirements.
Can Visiontex Co. assist with setting up a new textile testing laboratory?
Absolutely! Our team provides end-to-end support, from helping you select the right equipment to guiding you through the installation and calibration processes. We offer comprehensive consultancy for both new and existing textile laboratories.
Does Visiontex Co. provide after-sales support and training?
Yes, we prioritize customer satisfaction by offering ongoing support and training for the equipment we supply. Our experts can guide your team on optimal equipment use and maintenance practices to ensure long-term reliability.
What is the lead time for ordering equipment from Visiontex Co.?
Lead times vary based on equipment availability and your specific requirements. Once we know the products you need, our team will provide an estimated delivery time and keep you updated throughout the process.
How do I request a quote for specific equipment or services?
You can request a quote by visiting our website and using the contact form, or by reaching out directly via email or phone. Please provide details of your requirements, and our team will respond promptly with a detailed quote.
Does Visiontex Co. offer maintenance services for textile testing equipment?
Yes, we offer maintenance services to keep your equipment in optimal condition. Regular maintenance helps prevent downtime and extends the lifespan of your testing tools.
How does Visiontex Co. ensure the quality of the products it supplies?
We partner with reputable manufacturers and conduct rigorous quality checks to ensure that all products meet industry standards for accuracy, durability, and reliability.
What payment options are available for purchases?
We offer flexible payment options to accommodate various customer needs. Please contact our team for details on the available payment methods and terms.
General Specifications
| Measurement
parameters |
Range | Resolution | Accuracy | Calibration methods | Calibration points |
| pH | -2.000…20.000 | 0.1/0.01/0.001 | ±0.002 | Linear, Segmented | 1 to 5 |
| mV | -2000.0…2000.0 | 1/0.1 | ±0.1(-500.0….500.0)
±0.2(-2000.0…2000.0) |
- | - |
| Temperature | -30.0… 130.0 |
0.1 °C | ±0.1 °C | - | - |
SevenDirect™ SD20 Kits Overview and General Accessories
| Kit | Scope of Delivery | Material No. |
| Basic Instrument | Instrument, power supply, protective cover, Get-Started-Guide, electrode holder EasyPlace™ | 30671550 |
| Kit | SD20, plus pH electrode InLab Expert Pro-ISM and 3 × 3 calibration buffer sachets (pH 4.01, 7.00 and 9.21 or 10.01) | 30671554 |
| Stirrer Kit | SD20 Kit plus EasyMix magnetic stirrer | 30671555 |
| HA Kit | SD20 Kit, with InLab Routine Pro-ISM instead of InLab Expert Pro-ISM | 30671556 |
| Organic Kit | SD20 Kit, with InLab Science Pro-ISM instead of InLab Expert Pro-ISM | 30671557 |
| Pure H2O Kit | SD20 Kit, with InLab Pure Pro-ISM instead of InLab Expert Pro-ISM | 30671558 |
| Solids Kit | SD20 Kit, with InLab Solids Pro-ISM instead of InLab Expert Pro-ISM | 30671559 |
| Viscous Kit | SD20 Kit, with InLab Viscous Pro-ISM instead of InLab Expert Pro-ISM | 30671560 |
| Low Vol Kit | SD20 Kit, with InLab Micro Pro-ISM instead of InLab Expert Pro-ISM | 30671561 |
| General Accessories | Material no. |
| EasyPlace Electrode arm (included in standard delivery) | 30671569 |
| Protective cover (included in standard delivery) | 30671529 |
| Barcode Scanner | 30417466 |
| License for EasyDirect™ pH PC software | 30323214 |
| Protective cover (included in standard delivery) | 30671529 |
| USB A-B cable 1.8m for EasyDirect™ | 51191926 |
| EasyMix magnetic stirrer | 30671570 |
| Rainbow I pH buffers (3 x 10 sachets of 20 mL, 4.01/7.00/9.21) | 51302068 |
| Rainbow II pH buffers (3 x 10 sachets of 20 mL, 4.01/7.00/10.01) | 51302080 |
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