Digital Refrigerant Scales | Rothenberger, Value, Artiko

What Are Digital Refrigerant Scales? Introduction and Definition

Digital refrigerant scales are electronic measuring instruments that allow the refrigerant used in refrigeration and air conditioning systems to be weighed precisely as it is charged into the system or recovered. For HVAC technicians, household appliance service technicians and industrial refrigeration specialists, these instruments have now become indispensable equipment. Compared with classic mechanical scales, digital models stand out with professional features such as measurement accuracy down to ±5 grams, automatic tare function, kg/lb unit conversion and solenoid valve control.

Today, in systems using modern refrigerants such as R32, R410A, R454B and R290, weighing the refrigerant quantity accurately to the gram is critically important both for equipment performance and for the legal F-Gas regulations. At Yedepa.com we offer HVAC professionals the most reliable digital refrigerant scale models from Rothenberger, Value, Elitech and Artiko under one roof. In this comprehensive guide we explain step by step everything you need to know, from the working principle of digital refrigerant scales to model selection criteria, usage recommendations and maintenance tips.

Technical Details and Working Principle

The basic working principle of digital refrigerant scales is based on high-precision load cell technology. Strain gauge sensors, usually housed in an aluminum or steel body, convert the weight of the refrigerant cylinder placed on them into an electrical signal. This signal is processed by a microprocessor control board and shown to the user on an LCD or OLED display. A large proportion of the instruments have a solenoid valve; when the target refrigerant quantity is reached, this valve closes automatically, ending the charging process and eliminating human error.

Modern digital refrigerant scales typically have the following technical specifications:

Measuring capacity: 50 kg, 100 kg, 120 kg and 150 kg options
Accuracy (resolution): between ±5 g and ±10 g
Unit options: kg, lb, oz
Operating temperature: between -10°C and +50°C
Power supply: 9V battery or AA batteries + optional adapter
Communication: Wired, Bluetooth or wireless RF connection

Digital Refrigerant Scale Types and Models

The digital refrigerant scales on the market are divided into different classes according to their intended use, capacity and technology. The main types you can find in the Yedepa.com catalog are:

1. Standard Digital Charging Scales

Economical models without a solenoid valve that only have a weighing function. They are generally preferred for residential air conditioner and refrigerator service. The RCS-320 Electronic Refrigerant Charging Scale and the LMC-100F High Precision Electronic Refrigerant Scale are among the most preferred models in this category.

2. Automatic Models with Solenoid Valve

Models that automatically cut off the flow when the set refrigerant quantity is reached. The Value VES-50B Digital Refrigerant Scale is the leading product in this segment and significantly shortens labor time, especially in VRF, multi-split systems and cold room applications.

3. Wireless Bluetooth Models

New-generation models with no cable between the weighing platform and the display unit, communicating via RF or Bluetooth. The Value VRS-100i-01 Digital Refrigerant Scale (Wireless) and Value VRS-50i-01 Digital Refrigerant Scale (Wireless) are the leading products in this segment. They are a great convenience in narrow plant rooms and rooftop applications.

4. High-Capacity Professional Models

These models, with a capacity of 150 kg and above, are intended for industrial refrigeration, supermarket display systems and large chiller applications. The Rothenberger ROSCALE 150 Digital Refrigerant Scale and Rothenberger R17300416 Roscale 120 Kg are German-made reference instruments to European standards in this category.

Which Model to Choose? Decision Guide

When choosing the right digital refrigerant scale, we recommend evaluating the following criteria in order:

Your field of work: Residential, commercial or industrial?
Maximum cylinder capacity: If you generally work with 12.5 kg and 50 kg cylinders, 100 kg is sufficient; for large R134a or R404A cylinders, choose a 120-150 kg model.
Accuracy requirement: In inverter air conditioner and heat pump applications, ±5 g accuracy is essential.
Solenoid valve: If you are a technician working alone, the automatic cut-off feature saves a lot of time.
Portability: If you carry it constantly in a service vehicle, light models with a carrying case (for example the LMC-300) are the ideal choice.

Digital Refrigerant Scales Available on Yedepa.com

At Yedepa.com we offer a wide range of digital refrigerant scales for HVAC technicians and service companies all over Turkey. Current models in our stock:

Rothenberger R17300416 Roscale 120 Kg Digital Refrigerant Scale — German-made professional reference model with 120 kg capacity.
Rothenberger ROSCALE 150 Digital Refrigerant Scale - 150 kg (1000005062) — Top segment with 150 kg capacity for industrial refrigeration.
Value VES-50B Digital Refrigerant Scale (with Solenoid Valve) — Professional model with automatic cut-off and 50 kg capacity.
LMC-300 Electronic Refrigerant Charging Scale — A portable compact solution of Elitech quality.
Value VRS-100i-01 Digital Refrigerant Scale (Wireless) — New-generation model with Bluetooth connection and 100 kg capacity.
Value VRS-50i-01 Digital Refrigerant Scale (Wireless) — Economical wireless option with 50 kg capacity.
RCS-320C Electronic Refrigerant Charging Scale (Artiko) — Practical service scale with 100 kg capacity and alarm feature.
RCS-320 Electronic Refrigerant Charging Scale (Artiko) — The most affordable standard model with 100 kg / 220 lb capacity.
LMC-100F High Precision Electronic Refrigerant Scale — Entry-level precision weighing backed by Artiko.

Price and Capacity Comparison Table

Model	Brand	Capacity	Solenoid Valve	Wireless
Roscale 150	Rothenberger	150 kg	No	No
R17300416 Roscale 120	Rothenberger	120 kg	No	No
VES-50B	Value	50 kg	Yes	No
VRS-100i-01	Value	100 kg	No	Yes
VRS-50i-01	Value	50 kg	No	Yes
LMC-300	Elitech	100 kg	No	No
RCS-320C	Artiko	100 kg	No	No
RCS-320	Artiko	100 kg	No	No
LMC-100F	Artiko	100 kg	No	No

Brand Quality: Rothenberger, Value, Elitech and Artiko

Rothenberger is of German origin and one of the most established brands in the global HVAC sector. Its ROSCALE series scales are known for their calibration stability and long-life load cell design; they are preferred especially in public institution tenders and authorized service networks.

The Value brand has carried its leadership in the vacuum pump segment over to refrigerant scales as well. The wireless technology in the VRS-i series is revolutionary in the sector. Elitech, meanwhile, stands out in digital refrigeration equipment with its innovative design and user-friendly menu structure; the LMC-300 model is one of the products most in demand among Turkish technicians for portability.

The Artiko brand is unrivaled in price/performance balance. The RCS-320 and LMC-100F series offer professional accuracy at an affordable cost in residential and commercial applications. Yedepa.com is among the authorized suppliers of all four brands and delivers with a Turkish user manual, invoice and warranty certificate.

Professional Selection Criteria

When buying a digital refrigerant scale, instead of looking only at the price, be sure to evaluate the following technical parameters:

Load cell quality: Low-quality sensors can drift after 6-12 months. OIML-compliant sensors are used in Rothenberger and Value models.
Platform surface: For stability with 50 kg cylinders, choose a base of at least 22 x 22 cm.
Display readability: A backlit LCD is essential in dark plant rooms.
Solenoid valve flow coefficient: For high-pressure refrigerants such as R32 and R410A, a 1/4" SAE connection is standard.
Battery life: For professional use, models offering over 60 hours of operating time should be preferred.
Ease of calibration: Zeroing and tare functions should be practical for the user.

Use and Maintenance Recommendations

For your digital refrigerant scale to measure precisely for many years, the following maintenance rules should be observed:

Transport: Always carry the instrument in its original carrying case and in an upright position. The load cell is sensitive to impact.
Overloading: Never exceed 110% of the maximum capacity under any circumstances. The sensor will be permanently damaged.
Temperature: Do not operate the instrument in direct sunlight or below -10°C; the LCD display and sensor accuracy are adversely affected.
Cleaning: Wipe the platform surface only with a damp cloth; do not use solvent chemicals.
Calibration: Check it at least once a year with a reference weight (e.g. a 20 kg certified mass).
Battery: Remove the battery if it will not be used for a long time; alkaline leakage can damage the control board.
Solenoid valve: After use, purge the valve with N2 to prevent moisture and oil buildup.

Common Mistakes and Tips

According to our field experience, the problems technicians most often encounter are:

Placing the scale on a sloping surface — can create a deviation of ±50 g.
Opening the cylinder valve slowly — causes a delay in models with a solenoid valve.
Ignoring the amount of refrigerant remaining in the charging hose — leads to significant deviation, especially in small-capacity inverter systems.
Using the instrument in a vibrating environment (next to a vacuum pump) — impairs reading stability.

Frequently Asked Questions (FAQ)

Can R32 refrigerant be weighed with a digital refrigerant scale?
Yes, all the models we list are compatible with all common refrigerants, including R32, R410A, R454B, R134a, R404A and R290. The scale is not affected by the chemical composition of the refrigerant; it only measures weight.

Is a model with a solenoid valve or a wireless model more advantageous?
For technicians working alone who are not in a position to intervene during charging, the VES-50B with solenoid valve is ideal. If two people are working in a large area, the wireless VRS-100i-01 is ergonomically superior.

How often should calibration be done?
Calibration is recommended once a year under heavy use and every two years under normal use. Authorized service companies working under F-Gas regulations are required to have certified calibration carried out.

What is the difference between the 120 kg and 150 kg models?
Although the capacity difference appears to be only 30 kg, 150 kg models usually offer a stronger load cell, a wider platform and IP protection for industrial environments. For large chillers and cold room applications, the ROSCALE 150 should be preferred.

Are an invoice and warranty provided for the scale I buy from Yedepa.com?
Yes. All digital refrigerant scales are delivered with a Turkish invoice, manufacturer's warranty certificate and Turkish user manual. Rothenberger and Value products have a 2-year manufacturer's warranty, and Artiko and Elitech products a 1-year manufacturer's warranty.

Up to what distance do wireless models work?
The Value VRS-100i-01 and VRS-50i-01 models work stably at a distance of approximately 30 meters in open areas and 8-10 meters behind concrete walls.

Conclusion and Yedepa Advantages

A digital refrigerant scale is one of the basic pieces of equipment of modern HVAC service. The right choice of model depends on your field of work, the capacity of your refrigerant cylinders, your accuracy requirements and your budget. The Rothenberger ROSCALE series is the ideal choice for those seeking professional calibration stability, the Value VES and VRS series for those who want solenoid valve and wireless technology, the Elitech LMC-300 for those who prioritize portability, and the Artiko RCS-320 and LMC-100F for those seeking the best price/performance balance.

At Yedepa.com, with decades of supply experience in the HVAC sector, we offer not just product sales but technical consultancy, spare parts support and after-sales service to our network of technicians and service companies. We ship your orders from every province of Turkey quickly, keeping your lost working days to a minimum. For special models you cannot find in our stock, you can take advantage of our special procurement service, and for product comparisons you can consult our expert technicians via our customer line.

When choosing your digital refrigerant scale, we recommend paying attention not only to capacity but also to sensor quality, brand reliability and after-sales technical support. It can be evaluated together with all the service tools, vacuum pumps, manifold sets and leak detectors in the Yedepa.com catalog, allowing you to put together a complete service kit from a single source. We continue to stand by you as your professional HVAC business partner.