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Direct Drive Stirrers

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Direct Drive Stirrers Specification

Core Components
Motor, Shaft, Impeller, Speed Controller

Automation Grade
Manual

Capacity
2 Liters

Voltage
220 V

Model No
DDS-02

Accuracy
100 %

Frequency
50 Hz

Measurement Range
0-2 Liters

Feature
Highly Efficient

Temperature Range
Ambient to 100C

Power Source
Electric

Equipment Materials
Mild Steel Body with Powder Coated Finish

Type
Direct Drive Stirrers

Usage
Laboratory

Dimension (L*W*H)
300 mm x 225 mm x 425 mm

Weight
8 kg

Safety Features
Overload Protection

Impeller Type
Stainless Steel

Noise Level
<55 dB

Cord Length
1.5 Meter

Protection Class
IP21

Motor Speed
3500 RPM

Mounting
Table Top

Operation
Continuous Duty

Drive Type
Direct Drive

Suitable for
Viscous Solutions

Speed Control
Variable

Stirring Capacity
Up to 2 Ltr.

About Direct Drive Stirrers

AC/DC Lab Stirrers

Designed to meet requirements of laboratories demanding wide flexibility of stirring operations, these stirrers are available in various models. Choice of model will be dependant on the batch size / volume to be stirred.

Salient features:

	Multipurpose stirrers for general purpose & PUF stirring
	Heavy duty stirrers for pilot plant, bench scale process & small batch production
	Models also available with digital speed indicator for speed indication & process validation

PMDC Lab Stirrers
PMDC Stirrers are specially designed for routine laboratory work, research and development, QA analysis and sample preparations. Stirrers have uniform speed control with digital RPM indicator which gives speed read outs, valuable for applications where process validation and reproducibility is required.

RQ-121/D, RQ-126/D and RQ-129/D models use direct drive motors & are ideal for day to day laboratory use with aqueous & low viscosity liquids such as light oils.

Salient Features:

	PMDC motor for powerful stirring			Hollow shaft in Geared models permitting height adjustment
	Reliable performance even in continuous use			Chuck for easy interchangeability of shaft
	Stepless electronic speed regulator with digital display			Stirring shaft SS 316; Retort Rods SS 304

Technical Data

Models	Stirling Shaft	Impeller	Motor	Speed (rpm)		Stirring Capacity		Digital Speed Indicator
Models	0 x length (mm)	Impeller	Motor	Min	Max	Type ol Fluid	Max Volume	Digital Speed Indicator
Direct Drive Stirrers
RQ-121/D	8 x 250	AXIAL TURBINE	PMDC	200	2000	WATER/LIGHT OIL	10 LTRS
RQ-126/D	10 x 450	PITCHED BLADE	PMDC	120	2000	WATER/LIGHT OIL	25 LTRS
RQ-129/D	10 x 550	PITCHED BLADE	PMDC	100	1400	WATER/LIGHT OIL	50 LTRS
RQM-122/R	6 x 250	PITCHED FAN	AC/DC 1/20 HP	800	4000	WATER	7 LTRS
RQ-122/D	6 x 250	PITCHED FAN	AC/DC 1/20 HP	800	4000	WATER	7 LTRS
RQ-124A/D	8 x 350	PITCHED FAN	AC/DC 1/8 HP	300	4000	WATER	20 LTRS
RQT-124A/D	8 x 350	PITCHED FAN	AC/DC 1/8 HP	300	4000	WATER	20 LTRS
RQ-134S/D	12 x 450	PITCHED FAN x 2	AC/DC 1/4 HP	900	5000	WATER	35 LTRS
RQ-134L/O	12 x 450	PITCHED FAN x 2	AC/DC 1/2 HP	900	5000	WATER	60 LTRS
RQ-134H/D	12 x 450	PITCHED FAN x 2	AC/DC 2/3 HP	500	5000	WATER	80 LTRS
RQT-134H/D	12 x 450	PITCHED FAN x 2	AC/DC 2/3 HP	500	5000	WATER	80 LTRS

Precision Laboratory Mixing

Engineered for laboratories, the Direct Drive Stirrer DDS-02 delivers precise and reliable mixing of viscous solutions. Its direct drive mechanism and variable speed controller allow users to tailor agitation intensity as needed, supporting research and analytical protocols.

Robust and Safe Design

Built with a mild steel powder-coated body and stainless steel components, this stirrer offers both longevity and operational safety. Features like overload protection and IP21 rating safeguard the device during continuous operation, making it a dependable choice for routine laboratory tasks.

FAQs of Direct Drive Stirrers:

Q: How do I operate and adjust the speed on the Direct Drive Stirrer DDS-02?

A: The DDS-02 features a variable speed control that allows you to precisely set the stirring rate up to 3500 RPM. Simply adjust the speed controller knob until the desired consistency is achieved for your solution. Always start at a lower speed and gradually increase as needed.

Q: What types of solutions is this stirrer suitable for mixing?

A: The Direct Drive Stirrer DDS-02 is designed to handle viscous solutions up to 2 liters, making it ideal for laboratory samples requiring thorough mixing, including chemical, biological, and analytical preparations.

Q: Where can the DDS-02 stirrer be installed for optimal performance?

A: It is intended for table-top mounting, which ensures stability during operation. Place it on a flat, secure laboratory workbench, with access to a 220 V power source and adequate ventilation.

Q: What safety features are included in the DDS-02 model?

A: The stirrer is equipped with overload protection to prevent motor damage during intense use. Additionally, its IP21 protection class guards against intrusion by solid objects and limited moisture, enhancing operational safety.

Q: When should I use the continuous duty function on this stirrer?

A: Continuous duty is recommended for extended mixing protocols where uninterrupted agitation is essential, such as during prolonged emulsification or when mixing large volumes consistently.

Q: What are the benefits of the stainless steel impeller for laboratory applications?

A: Stainless steel impellers offer superior resistance to corrosion, chemical reactions, and wear, ensuring hygienic operation and longevity in laboratory environments.

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