Nanjing Juge Environmental Technology Co., Ltd.
| Payment Terms | Online order,T/T |
| Supply Ability | 100 Unit/Week |
| Delivery Time | 5-8 working days |
| Packaging Details | Neutral carton |
| Principle | Manual SDI Analyzer |
| Brand Name | JUGE |
| Model Number | AG-SDI47 |
| Certification | IOS9001, CE |
| Place of Origin | Nanjing, China |
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Product Specification
| Payment Terms | Online order,T/T | Supply Ability | 100 Unit/Week |
| Delivery Time | 5-8 working days | Packaging Details | Neutral carton |
| Principle | Manual SDI Analyzer | Brand Name | JUGE |
| Model Number | AG-SDI47 | Certification | IOS9001, CE |
| Place of Origin | Nanjing, China |
Manual SDI15 Analyzer
>>Features
① Lightweight and low-cost, yet durable and long-lasting
② Stainless steel composite filter offers high flow rate and maintains shape under pressure
③ Built-in air vent valve eliminates the need for manual adjustment
④ Quick-connect fittings on all joints for easy assembly and disassembly
⑤ High-quality filter membrane ensures accurate and reliable testing
⑥ Complies with ASTM D4189-23 standard
>>Technical Parameter
|
Technical Parameters |
|
|
Sample Conditions |
• Pressure: 207 kPa |
|
Measurement Range |
0.2–6.67 (SDI15) |
|
Accuracy |
±0.2 (SDI15) |
|
Sample Vessel |
500 mL |
|
Membrane Specifications |
• φ47 mm, 0.45 μm pore size |
>>Technical Parameter
SDI is a measurement of the pollution level determined by the amount of flow through a 47mm, 0.45um microporous filter membrane in a filter holder over 15 minutes, while maintaining a constant feed water pressure of 30 psi into the filter. Flow rates are measured at the start of the test (t=0) and at 5, 10, and 15 minutes. The maximum possible SDI 5 value is equivalent to 100% divided by 5 minutes (or 20 SDI units per minute of plugging percentage). The maximum possible SDI 10 value is equivalent to 100% divided by 10 minutes (or 10 SDI units). The maximum possible SDI 15 value is equivalent to 100% divided by 15 minutes (or 6.7 SDI units).
If 100% plugging occurs during the 15-minute test: Stop the test and calculate as follows.
(100% plugging is defined as the continuous water stream breaking into drops)
SDI = 100 / T
Where T is the time (in minutes) from the start of the test until 100% plugging occurs.
Example: 100% plugging occurs at 4 minutes using a 0.45um membrane.
SDI = 100 / 4 = 25.0
If 100% plugging does NOT occur by 15 minutes: Calculate using the following formula:
t = 0 min --> t₀ (s) = Time (seconds) to collect 500ml of filtrate at 30 psi pressure
t = a min --> tₐ (s) = Time (seconds) to collect 500ml of filtrate at 30 psi pressure after a minutes of testing
SDI=(100/(a-0))*((tₐ-t₀)/tₐ)
SDI 15 Value (Theoretical Maximum) Ranges:
Ultra-Filtered Water: SDI < 0.1
Filtered Water: 0.5 < SDI < 3
Waste Water: SDI > 5
At this point, calculating SDI over 10 or even 15 minutes becomes meaningful.
Company Details
Business Type:
Manufacturer
Year Established:
2015
Total Annual:
2000000-3000000
Employee Number:
50~100
Ecer Certification：
Verified Supplier
JUGE was established in 2015, specializing in the field of environmental online monitoring. With environmental online monitoring systems at its core, JUGE integrates R&D, production, sales, and after-sales services. It is recognized as both a National High-Tech Enterprise and a "Specialized, Ref... JUGE was established in 2015, specializing in the field of environmental online monitoring. With environmental online monitoring systems at its core, JUGE integrates R&D, production, sales, and after-sales services. It is recognized as both a National High-Tech Enterprise and a "Specialized, Ref...
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