972 Refractometers webcode WW6CF014 Analogue refractometers ORA, KERN Refraction index measurement for laboratories and industry • The models in the KERN ORA-S range are universal, maintenance-free analogue manual refractometers • The practical and robust design means that it can be used simply, efficiently and on a permanent basis, day in day out • The manual effort to convert the value is avoided by the use of several selectable scales and thereby eliminates user error • These scales have been specially developed, calculated precisely and checked. Another key feature is the very thin, clear lines • The optical system and the prism cover are made from special materials, which enable you to measure with low tolerances • All models are fitted with an eyepiece which can be adjusted easily and smoothly to different visual capacities • The models which are marked “ATC” have automatic temperature compensation, which makes it possible to obtain precise measurements at different environmental temperatures (10°C to 30°C) • Included in the scope of supply: storage box, calibration solution, calibration block, pipette, screw driver, cleaning cloth Technical data: Material: Chrome-plated pressure die casting made of aluminum-copper alloy Measuring temperature without ATC: 20°C Measuring temperature with ATC: 10° to 30°C Dimensions box (W×D×H): 205 × 75 × 55 mm Length: ca. 130 to 200 mm (depending on the model) Net weight: ca. 135 to 600 g (depending on the model) Model Measuring range % Brix Increment % Brix with Order No. ORA 20BA 0 – 20 0.1 ATC 10 58 38020 ORA 32BA 0 – 32 0.2 ATC 10 58 38032 ORA 62BA 28 – 62 0.2 ATC 10 58 38062 ORA 80BB 0 – 80 0.5 — 10 58 38080 ORA 1RE 1.333 – 1.405 nD 1.405 – 1.468 nD 1.468 – 1.517 nD 0.005 nD 0.005 nD 0.005 nD — 10 58 38010 Accessories Article Order No. Prism coverplate with integrated LED-Diode 10 58 38131 Leather bag 10 58 38132 Calibration solution distilled water, volume 2.5 ml 10 58 38137 Calibration solution saturated salt solution, volume 2.5 ml 10 58 38134 Calibration solution Alpha-Bromonaphthalene, volume 2.5 ml 10 58 37814 Prism coverplate (spare) 10 58 38136 webcode WWY3J007 1 2 Abbe-Refractometers, A. KRÜSS Optronic Abbe refractometer AR4 and AR2008 The models AR4 and AR2008 are two classic Abbe refractometers. With the AR2008 the evaluation of the measurement takes place digitally and with the AR4 the measured value is then read via an eyepiece. AR4: The AR4 determines the refractive index and the sugar content of liquid samples. The scales can be adjusted manually using the drive knob. The measured value is then read via an eyepiece. The refractometer can be connected to a thermostat, e.g. the circulation thermostat PT31 in order to maintain the temperature at 20°C or 25°C. The temperature will be measured with the integrated digital thermometer and shown on the LCD display. The measurement of solid samples is also possible. AR2008: The AR2008 measures the refractive index or the sugar content of liquid samples. The output of the measurement results including temperature is performed digitally. A serial interface allows you to directly send the measured values together with the date and time of day to a PC or printed out. The refractometer can be coupled with a thermostat, e.g. the circulation thermostat PT80. In this combination, the device measures the refractive index within the temperature range of 5 – 80°C. An automatic temperature compensation for the Brix scale can be optionally connected. The measurement of solid samples is also possible. Type Scales Measurement accuracy nD/% Brix Measuring range nD/% Brix Resolution nD/% Brix Temperature range °C Order No. 1AR 4 Refractive index (nD), concentration of sucrose [%Brix] ±0.0002/±0.1 1.3000–1.7200/0–95 0.0005/0.25 0 – 99 63 61 94004 2AR2008 Refractive index (nD), concentration of sucrose [%Brix] ±0.0002/±0.1 1.3000–1.7200/0–95 0.0001/0.1 0 – 99 63 61 92008 Optical Investigations Spectroscopy
RkJQdWJsaXNoZXIy MTIxNDc3OQ==