MARK-404 Dissolved Oxygen Analyzer

Convenience and accuracy of measurement | Automatic temperature and barocompensation, air oxygen calibration. Measurement modes | KRK and temperature. IP65 | Compact sealed device is reliably protected from dust and moisture. Non-volatile electronic notebook | The ability to record up to 500 measurement groups in User-named folders. USB port, software included | The ability to create and manage a data archive on a PC. Graphic indicator with backlight | Indication of readings in a user-friendly format, ease of settings. Long-lasting sensor | Sensor service life of at least 10 years. Low power consumption | Up to 600 hours of continuous operation from a set of AA elements. Designed for "operational" monitoring | "Fast" sensor – the measurement time is no more than 3 minutes. Illumination for work in darkened rooms. Record measurements at the touch of a button. Self-diagnosis | Additional guarantee of correct operation of the device

Measurement of dissolved oxygen concentration and temperature of aqueous media, including deaerated ones. Continuous monitoring of water-chemical regimes at thermal and nuclear power facilities. Two channels Freely programmable measurement ranges. The possibility of independent measurements at two points. Convenience and accuracy of measurement, minimum maintenance Automatic temperature and barocompensation. Automatic air oxygen calibration. Long-lasting sensor The service life of the sensor is at least 10 years. The possibility of placing the converter unit at a remote distance from the sampling point Up to 100 meters. Communication with external devices Galvanically isolated current outputs 0-5/4-20/0-20 Ma. RS 485 port, MODBUS RTU exchange protocol. Programmable setpoints with a "dry contact" type output. Durable IP65 aluminum housing The device is reliably protected from dust and moisture. Graphic indicator with backlight Convenient data presentation format and ease of settings

The sensor is designed specifically for BOD measurement according to the PNF F method 14.1:2:3:4.123-97. Convenience and accuracy of measurement | Automatic temperature and barocompensation. Automatic air oxygen calibration. Three measurement modes | KRK, mg/dm3. KRK, % saturation. Temperature, °C. Easy calibration by air | Minimum maintenance | Replacement of the membrane no more than once a year. Storage of the sensor in the air. Long-lasting sensor | The service life of the sensor is at least 10 years. High contrast LCD indicator | Low power consumption | Up to 2000 hours of continuous operation from a set of AA type elements.

Portable device for periodic measurement of the volume fraction of oxygen in various gases (hydrogen, natural gas, nitrogen, argon, helium, etc.). Mainly used for monitoring oxygen in the cooling circuit of generators, electrolysis plants, gas pipelines of boilers, monitoring the air of the working area. The warranty is 24 months for deliveries across the Russian Federation. High-precision measurement of oxygen microconcentrations Unique, patent-protected sensor design Exceptional selectivity to oxygen molecules Insensitivity to humidity, carbon dioxide, oil vapor Stable operation in a gas environment of any composition Ease of operation Automatic temperature and barocompensation The duration of measurements is 2-3 minutes Atmospheric air calibration Routine maintenance - no more than 1 time per year Built-in flow stimulator for forced sample delivery High contrast LED indicator IP54 housing case Protection from dust and moisture Built-in long-lasting battery At least 1000 charge/discharge cycles Carrying strap

Measurement of dissolved oxygen concentration and temperature of aqueous media, including deaerated ones.Convenience and accuracy of measurement | The measurement error is ±(0.001 + 0.035 *A) mg/dm3, (A is the measured value). The ability to work on small flows (from 25 ml / min). Routine maintenance 1 time per year. Highly stable sensor | High reaction speed. Sealed heavy-duty hydrophobic membrane. Increased mechanical strength of the structure. Two channels | Freely programmable measurement ranges. The possibility of independent measurements at two points. The possibility of placing the converter unit at a remote distance from the sampling point | Up to 100 meters. Communication with external devices | Galvanically isolated current outputs 0-5/4-20/0-20 Ma. RS 485 port. MODBUS RTU exchange protocol. Hydropanel GP 409 T | The possibility of placing the measuring complex on a single panel. The supply lines are stainless steel. Routine maintenance and calibration of the sensor – without interrupting the flow. Continuous monitoring of water-chemical regimes at thermal and nuclear power facilities.

Continuous measurement of dissolved oxygen concentration and temperature of aqueous media with excessive hydrostatic pressure.Two independent measurement channels Freely programmable measurement ranges Stability of operation with changes in hydrostatic pressure Permissible short-term (up to 5 min) pressure overload (water hammer) up to 40 MPa High reaction speed. The time to establish the analyzer readings is 2 minutes. Easy and quick replacement of the membrane The sensor is not afraid of "drying out" The content of dissolved hydrogen in the analyzed medium is taken into account The grading interval is 1 month The verification interval is 24 months

Measurement of dissolved oxygen concentration (CRC) and temperature of aqueous media. Laboratory and "field" measurements. Definition of BOD. The sensor is designed specifically for BOD measurement according to the PNF F method 14.1:2:3:4.123-97. 24-month warranty for deliveries across the Russian Federation Convenience and accuracy of measurement | Automatic temperature and barocompensation. Automatic air oxygen calibration. IP65 | Compact sealed device is reliably protected from dust and moisture. Electronic notebook | The ability to record up to 500 measurement groups in User-named folders. USB port, software | The ability to create and manage a data archive on a PC. Graphic indicator with backlight | Indication of readings in a user-friendly format, ease of settings. Easy calibration by air | Minimum maintenance | Replacement of the membrane no more than once a year. Storage of the sensor in the air. Long-lasting sensor | Sensor service life of at least 10 years.Time to failure - 40,000 hours Low power consumption | Up to 600 hours of continuous operation from a set of AA elements. Designed for "field" measurements | Measurement of the KRK at a depth of up to 20 meters. Self-diagnosis | Additional guarantee of correct operation of the device

Measurement of dissolved oxygen concentration and temperature of aqueous media, including deaerated ones. Operational control of water-chemical regimes at thermal and nuclear power facilities. Warranty 24 months for deliveries across the Russian Federation Measurement error ± (0.001+0.04 *A) mg/dm3 (A is the measured value). The ability to work on small flows (from 20 ml / min). Air oxygen calibration is not more than 1 time per month. Routine maintenance 1 time per year. Universal mechanism for direct connection to the process. NEW highly stable sensor High reaction speed. Sealed heavy-duty hydrophobic membrane. Increased mechanical strength of the structure. "Sleep" mode when stored in the air. Organic high contrast LED indicator Full protection from dust and moisture – housing-case IP65 Built-in long-lasting LiFePO4 battery (at least 1000 charge/discharge cycles) Carrying strap

Measurement of dissolved oxygen concentration and temperature of aqueous media, including deaerated ones. Operational control of water-chemical regimes at thermal and nuclear power facilities.Convenience and accuracy of measurement | Automatic temperature and barocompensation. Automatic air oxygen calibration. Long-lasting sensor | The service life of the sensor is at least 10 years. High contrast LCD indicator | Low power consumption | Up to 2000 hours of continuous operation from a set of AA type elements