The DR3900 is a benchtop visible spectrum (320 - 1100 nm), split beam spectrophotometer with over 220 pre-programmed methods optimized for laboratory water analysis. With your daily routine of water analysis in mind, the DR3900 spectrophotometer is optimized for safe processes and accurate results.

The DR3900 is designed to deliver accurate results quickly with Hach's innovative TNTplus and LCK reagents for fast preparation and easy execution. In fact, it automatically recognizes our Hach reagents, so there is no need to enter method numbers.

Specifications

Frequently Asked Questions (FAQ) – SC Automation Limited​​

​​1.   Who is SC Automation Limited?​​

SC Automation Limited (SC) was established in 2010 with over ​​10+ years of industry experience​​ in automation instrumentation and industrial solutions.

​​2.   Where does SC mainly distribute its products?​​

Our products are primarily exported to:

•   ​​Africa:​​ South Africa
• ​  ​Asia:​​ Southeast Asia, Middle East
• ​  ​Europe:​​ Nordic countries
•   ​​Americas:​​ South America
•   ​​Oceania:​​ Australia, New Zealand

​​3.   What types of automation instruments does SC specialize in?​​

We focus on:

• ​​  Pressure Transmitters​​
• ​  ​Flow Meters​​
• ​  ​Ultrasonic Level Sensors​​
• ​​  Vibration Monitoring Systems​​
• ​  ​Water Quality Analyzers​​
•   ​​Electric Actuators​​
• ​​  Solenoid Valves​​
•   ​​Sensors & More​​

​​4.   Which brands does SC supply?​​

We provide ​​genuine new products​​ from leading brands, including but not limited to:
✅ ​​Bently Nevada​​ | ✅ ​​Endress+Hauser (E+H)​​ | ✅ ​​Pepperl+Fuchs (P+F)​​
✅ ​​MTL​​ | ✅ ​​Allen-Bradley (AB)​​ | ✅ ​​Rosemount (Emerson)​​
✅ ​​Yokogawa​​ | ✅ ​​AUMA​​ | ✅ ​​IFM​​ | ✅ ​​SMC​​ | ✅ ​​Festo​​
Need a specific brand? We can source it for you!

​​5.   Are SC’s products 100% genuine and new?​​

​​Yes!​​ We only supply ​​original, brand-new​​ products with full manufacturer warranties.

​​6.   Do SC’s products come with a warranty?​​

✅ ​​1-year warranty​​ for all products (except consumables like electrodes).

​​7.   What delivery terms does SC accept?​​

• ​  ​EXW (Ex-Works)​​
•   ​​CIF (Cost, Insurance & Freight)​​

​​8.   What currencies are accepted for payment?​​

• ​​  USD​​ | ​​EUR​​ | ​​CNY (RMB)​​ | ​​HKD​​

​​9.   What payment methods does SC support?​​

• ​​  T/T (Bank Transfer)​​
•   ​​Alipay​​ | ​​WeChat Pay​​

​​10.   How can customers contact SC?​​

• ​​  WhatsApp:​​ +86-13715021826
• ​  ​WeChat:​​ +86-15012673027 / +86-15012630876
•   ​​Email:​​ joy@cc-scauto.com

​​11.   What are SC’s working hours?​​

​​24/7 support!​​ We respond promptly to inquiries at any time.

​​12.   What is SC’s company philosophy?​​

"Honesty in Relationships, Excellence in Work – Integrity First."

​​13.   What shipping methods does SC support?​​

•   ​​Express Couriers:​​ DHL, UPS, TNT, FedEx
• ​  ​Special Routes:​​ Russia & Pakistan dedicated lines
•   ​​Customer’s Own Logistics:​​ Share your partner’s details, and we’ll arrange pickup.

​​14.   Where are goods delivered?​​

• ​​  Mainland China​​ or ​​Hong Kong​​ (brand-dependent).

​​15.   Does SC support pre-shipment inspection?​​

✅ ​​Yes!​​ If you cannot visit, a trusted third party can inspect on your behalf.

​​16.   What are SC’s payment terms?​​

• ​​  Full payment upfront​​ for orders delivered within ​​1 week​​.
• ​​  30% deposit​​ for orders with ​​longer lead times​​.

​​17.   Why choose SC Automation Limited?​​

✔ ​​  100% genuine products​​ with reliable warranties
✔   ​​Fast quotations & technical support​​ (e.g., E+H product selection)
✔ ​​  Year-round shipping​​ (excluding logistics holidays)
✔ ​​  Hassle-free sourcing​​ – Your trusted one-stop automation supplier!

​​Need more details? Contact us anytime!​