Анализаторы БПК

Analyzer Econix-Expert Expert-CPC-BPK

Analyzer Expert-HPK-BOD - a modern laboratory complex for measuring COD, BOD, dissolved oxygen and temperature. Measurement of COD according to GOST 31859-12 from 10 mgO/dm³, BOD according to PND F14.1:2:3.4.123-97, dissolved oxygen (0.2...20 mg/dm³), temperature. Scope of delivery: measuring transducer Expert-003 Standard; multibeam photocell FYa-2-KhPK with optical elements: for measuring COD (430 nm and 605 nm) and verification (525 nm); connecting cable; round test tubes (cuvettes) with a diameter of 16 mm with stoppers (30 pcs.); GSO COD (2 pcs.); thermoreactor TR-150 (optional); adapter P2; power unit; instructions for performing COD measurements; Operation manual and verification procedure; measuring transducer Expert–001-4.0.1 portable; sensor DKTP-02.4 (BPK); sealing rings for the BOD bottle (ground joint 14) (2 pcs.); power unit; instruction manual and verification procedure. Manba: https://www.nv-lab.ru/catalog_info.php?ID=7327

• Magnetic stirrer connection: Yes
• Connection to PC COM port Connection to PC USB port: Yes, requires COM-USB adapter
• Housing version: portable
• Measurement range of hydrogen ion activity (pH): 0…14
• Limits of permissible basic absolute error of pH measurements (complete with electrode system): ±0.05
• Limits of permissible additional absolute error in pH measurements caused by changes in the resistance of the measuring electrode in the range from 0 to 500 MOhm and the auxiliary electrode in the range from 0 to 20 kOhm: ±0.01
• Limits of the permissible total absolute error of pH measurements, taking into account the additional error caused by changes in the temperature of the analyzed liquid in the range from +5 to +80 °C (temperature compensation errors): ±0.07
• Measurement range of ion activity index (рХ): 1…7
• Limits of permissible absolute error of рХ measurements in the range: - 1…3 incl. - st. 3…7: ±0.05±0.1
• EMF measurement range, mV: -3200…3200
• Limits of permissible absolute error of EMF measurements in the range -3200…3200, mV:: ±1.5
• ORP measurement range (Eh), mV: -3200…3200
• Limits of permissible absolute error of ORP measurements (Eh), mV: ±10
• Temperature measurement range of the controlled environment, °C: 5…80
• Limits of permissible absolute error in measuring the temperature of the controlled environment, °C: ±0.5
• Measuring range of mass concentration of dissolved oxygen, mg/dm³: 1…15
• Limits of permissible absolute error in measuring the mass concentration of dissolved oxygen, mg/dm³: ±0.5
• Temperature measurement range of the controlled environment when measuring the mass concentration of dissolved oxygen, °C: 5…40
• Limits of permissible absolute error of temperature measurements when measuring the mass concentration of dissolved oxygen, °C: ±0.5
• Power, W, no more: 6
• Dimensions of the measuring transducer, mm: 210×110×70
• Weight of the measuring transducer, kg: 0.95
• Duration of continuous operation, h, no more: 8
• Time to establish the operating mode (pre-heating), min, no more than: 15
• Wavelength range, nm: 375…940
• Radiation sources – LEDs with operating wavelengths, nm (sources in bold are included in the standard delivery set. Others are available on request): (375±15), (400±15), (430±15), (470±15), (505±15), (525±15), (572±15), (590±15), (605±15), (615±15), (626±15), (655±15), (700±15), (850±15), (880±15), (940±15)
• Optical density measurement range, B...: 1.5
• Range of optical density readings, B: 0…3
• Limits of permissible systematic component of error when measuring optical density, B: ±0.02
• Limit of permissible random component of error when measuring optical density, B: 0.005
• Time to establish a stable photometer reading when measuring optical density, sec., no more than: 15
• Working length of cuvettes, mm: 1…50
• Indicator: Graphic LCD with backlight
• Entering and saving comments to them (maintaining an electronic notepad): No
• Entering from the keyboard and storing in the device memory the names of calibration graphs and comments in the form of text consisting of letters of the Russian and English alphabet, numbers and symbols: No
• Measurement of optical density and spectral coefficient of directional transmittance: Yes
• Determination of the concentration of a substance or other parameter of the solution composition after calibration: Yes
• Calibration with the ability to store results in memory, including entering and storing concentration values of standard solutions, as well as measuring and storing optical density values of standard solutions: 20 calibrations of 15 standard solutions each
• Automatic calculation of the calibration graph equation using the least squares method: Yes
• Exclusion of one or more calibration points from the calculation of the calibration graph equation by operator command: Yes
• Automatic calculation of the linear correlation coefficient (reliability of approximation) of the calibration graph: Yes
• Constant monitoring of the battery discharge level with the corresponding symbol displayed on the display: Yes
• Dialogue with the operator: display of commands, requests and information about operator errors: Yes