SKU: 71280352012

dda 30 4 ar c pv t c f 32i002fg 93242852

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Description

dda 30 4 ar c pv t c f 32i002fg 93242852The SMART Digital DDA C is a compact positive displacement diaphragm dosing pump with variable speed drive (stepper motor) and intelligent control electronics with minimum energy consumption. The SMART Digital Dosing series operates at full stroke length to ensure optimum accuracy, priming and suction, even for high viscosity or degassing liquids. Depending on the set capacity, the duration of the discharge stroke varies, ensuring an optimal, uniform

The SMART Digital DDA-C is a compact positive-displacement diaphragm dosing pump with variable-speed drive (stepper motor) and intelligent control electronics with minimum energy consumption. The SMART Digital Dosing series operates at full stroke length to ensure optimum accuracy, priming and suction, even for high-viscosity or degassing liquids. Depending on the set capacity, the duration of the discharge stroke varies, ensuring an optimal, uniform and continuous discharge flow. The click-stop mounting plate allows installation in three different positions without using any additional accessories. The control cube can be easily turned to the front, left or right position. The click wheel and the multi-coloured backlit graphic plain-text LC display enable intuitive commissioning and operation. The control elements are protected by a transparent cover. The DDA-C has built-in connectivity that allows easy setup and tracking via the Grundfos GO app as well as easy integration into a Modbus RTU or TCP bus system. The dosing head includes the following parts:

  • A durable and chemically resistant full PTFE diaphragm,
  • Double ball valves for maximum dosing accuracy,
  • A deaeration valve for easy start-up.

Operation modes and functions:

  • Manual dosing in ml/h, I/h or gph.
  • Pulse control in ml/pulse (incl. memory function).
  • Analog control, 0/4-20 mA (scalable).
  • Pulse-based batch function in ml, l or gal.
  • Timer-based batch function (dosing timer cycle or week).
  • Fieldbus control (integrated Modbus RTU and TCP; Profibus DP, Profinet and Ethernet IP via CIM/CIU models).
  • Cloud control and monitoring (Smart Digital Chempairing Suite; Grundfos Connect).

Other features:

  • Auto deaeration during pump standby to avoid stand-still due to air-locking.
  • Two SlowMode steps (anti-cavitation), 50 % and 25 % maximum flow, e.g. for high-viscosity or degassing liquids.
  • Max. Capacity to limit the capacity of the pump to a set maximum.
  • Service information display to show when service and which wear-part order numbers are required.
  • Two-step key lock function to protect the pump against unauthorised access.
  • Multi-parameter dashboard function to provide further information on up to 4 parameters.
  • Counter for total dosed volume (resettable), operating hours, etc.
  • Save, copy and load customised settings as well as reload factory settings.

Signal inputs/outputs:

  • Input for pulse, analog 0/4-20mA, external stop.
  • Input for low-level and empty-tank signal.
  • Two potential-free output relays for max. 30 V AC/DC (configurable, e.g. alarm, stroke signal, pump dosing, timer etc.)
  • Output analog 0/4-20mA.
  • Fieldbus communication interface (integrated Modbus RTU and TCP; Profibus DP, Profinet and Ethernet IP via CIM/CIU models).

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 71280352012

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4.3 ★★★★★
Based on 5 reviews
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James Nunn
Chelsea, US
★★★★★ 4
I say read it then write your own review
Format: Hardcover
I enjoyed the read. " Let them " it's seems so easy. You do you " me" and let them do them. Easy. I felt as an adult most of us already have adjusted passed the emotional baggage of others. Not 100 because no one can say they never get caught on a snag time to time. Especially driving in traffic or standing in line behind adult kindergartners but for the most part you just let it go before it causes any reflux. The book does lay it out and simplifies it by using her life experiences while adding contexts of professionals outlooks and numbers. I gave it a four out of five because I kept reading it while always thinking I get it but it's a person to person awareness. I will always have to be the bigger person and except that the problem may be them but I'm going to let them be the problem but I will just adjust my way and let them continue to be the unconscious fool they are or until they see for themselves how unruly and trivial they truly are. I think personally it's like wearing a mask. For it to actually work everyone needs to wear it. Best thing about this book was the title itself. "Let them " because when you realize you can't control anyone other than yourself you can mentally process that it's okay for you to just be yourself and forget about the rest. Nothing changes if nothing is changed.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 15, 2026
A
Verified Purchase
Aria
Draper, US
★★★★★ 5
Loving it so far
Format: Paperback, Format: Paperback
I really didn't know what to expect with a book full of names, but I love a murder mystery & needed more post work hobbies, so I thought this would be interesting & was I right. This book has been so engaging and keeps my mind in a good focused place instead of the usual dissociation after a stressful day of work or doom scrolling. It was nice to come up with my own little system as to how I would solve the clues on each page & keep track of everything. If you're interested in puzzles, or just need something interesting to keep busy, I feel this is a great concept to solve a mystery. 100% would recommend.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 1, 2026
A
Verified Purchase
Amazon Customer
Whiting, US
★★★★★ 5
Love it
Format: Paperback
Excellent book. Whole I was watching Tik Tok so.eone gave the answer and ruined my chance to finish it. I was within 1 to 2 days of solving it. Fun and challenging.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 23, 2026
R
Verified Purchase
Reagan
Waukegan, US
★★★★★ 5
So much fun! And typos have been fixed!
Format: Paperback, Format: Paperback
This was so much fun! Some reviews will mention that the solution is spoiled at the end or there is some misspellings but it should be fixed. In the book you get an option to go to her blog. I 100% recommend checking that and it’s where you will check your answer! I got my whole family into this book and everyone is enjoying finding the name. I definitely recommend if you want to work on something that challenges your brain!
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Reviewed in the United States on May 27, 2026
S
Verified Purchase
Sallyb
Alexandria, US
★★★★★ 5
SO MUCH FUN!!
Format: Paperback, Format: Paperback
Just started it but.....This book has been so much fun. Not just for me but my husband and kids keep stealing it from me. So now I have to order more for them.... highly recommend if you are into mystery puzzles. Best one yet... can't wait to see more editions come out!!!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 1, 2026

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