VZOR LLC is a company specializing since 1994 in the development, manufacture, and service of instruments and auxiliary equipment for water quality control.

A complete scientific and production cycle—including research, R&D, manufacturing, supply, and product service—enables VZOR LLC to solve tasks of varying complexity in analytical control.

The company has implemented a quality management system certified to comply with GOST R ISO 9001-2015.

VZOR LLC strives to ensure the MARK® trademark is associated by consumers with measurement accuracy, ease of use, and reliability.

Equipment range:

• Dissolved oxygen analyzers
• Dissolved hydrogen analyzers
• Conductometers / salinometers / concentration meters
• pH meters
• Sodium analyzers
• Silicon analyzers
• Gas analyzers
• Sample preparation devices (SPD)
• Auxiliary equipment / components

All MARK® instruments are included in the State Register of Measuring Instruments.

Our customers include:

- Thermal power plants (TPPs), nuclear power plants (NPPs), and state district power plants (SDPPs)
- Heat networks
- Industrial boiler houses
- Hygiene and epidemiology centers
- Central laboratories for analytical control (CLATIs)
- Hydrometeorological services
- Water utilities
- Fish farms and nature reserves
- Scientific and educational institutions
- Laboratories of various profiles

Quality Control of Products:

"VZOR" LLC pays special attention to the quality of its products. This allows us to provide factory warranties for up to 48 months.

The average service life of MARK analyzers is not less than 10 years.

The Technical Inspection Department in accordance with the requirements of design and technological documentation carries out:

1. Input control of product quality purchased from manufacturers and suppliers of materials and components.
2. Quality technical inspection at all stages of production.
3. Nonconformity management at all stages of the production process.

The company has implemented and successfully operates a quality management system according to GOST R ISO 9001-2015.

Comprehensive equipment supply, turnkey solutions

"VZOR" LLC offers modern turnkey solutions for organizing water-chemical regime monitoring — from preliminary surveys to commissioning and training of operating personnel. At all stages of cooperation with customers, work is carried out taking into account their requirements, in the necessary scope, and within agreed deadlines.

Our company is a member of the self-regulatory organization "Association of Nizhny Novgorod Builders" and holds all necessary permits for design, installation, and commissioning works.