Tristar - Model 3 - Multimode Microplate Reader - Brochure

PROCESSCONTROLLevel SwitchMini-Switch LB 4712ApplicationThe BERTHOLD level switch is used in all branch-es of industry, including the food industry. Thismeasurement system is applicable where one ormore alarm levels of liquids or bulk solids have tobe monitored. In fact, the BERTHOLD level switchis suitable for installation on all types of vessels orbunkers like storage tanks, hot-storage bunkers,vessels with agitators, high-pressure reactors, cy-clones or feeder chutes.The Function3The operation of the measuring system is based onthe application of the radiometric measuringprinciple, i.e. the physical law of absorption ofgamma radiation as it passes through matter.This measuring principle has been proved suc-cessful on the most difficult applications for manyyears now.Benefitscontactlessnno abrasionnmaintenance freenfail safenlong life timenno mechanical modifications to the vessel required1Engineering dataDimensions of the vessel at themeasuring positionnThickness and density of each wall to be irradiatednDensity of the product to be measurednGas density under operating condi-tions in high pressure systemsnMax. ambient temperature outside the vesselnDimensional drawings of agitatorsor other internals in the vesselnrequired Ex-proof class32An arrangement of a level alarm switch is shownin picture 1. The shielded radiation source is in-stalled outside the vessel at the height at which thealarm must be indicated. The radiation detec-tor , is mounted at the same height on the op-posite side of the vessel. The detector signal istransmitted via a two-core standard cable to theevaluation unit .321Picture 13GM-DetectorEspecially for fluids with smooth surface, the GM Detector hits the spot. It is alsoapplicable for bulk material. For easy applications, it is the most cost-efficientalternative solution.For fast switching of 1,5 to 5s, or in order to reduce the source activity, the GMDetector is available with two counter tubes.Evaluation Unit LB 471space saving, width only 4TE (0.8")3 LED’s for status controltwo line Display, illuminatedeasy data input using arrow keyseasy calibration with the pushbutton "Cal" easily toggle to the measuring reading with the pushbutton "Clear" 654321NaI-DetectorFor bulk material which forms a cone it is essential to be able to adjust thethreshold very accurately. The NaI-Detector provides precise monitoring of thebulk cone diameter.Where high gas density is present in the vessel, the gamma radiation will beattenuated strongly even when the vessel is empty. Thus, the measuring dif-ference between material and gas is smaller. The significantly more sensitiveNaI-Detector guarantees a reliable switching function in this situation.Super-SensAn even higher sensitivity is achieved by using a scintillator 150/150mm in theSuper- Sens. The integrated collimator ensures a good signal to noise ratio andreduces the background radiation interference.The Super-Sens is used where the NaI Detector is pushed to its limits.251643Software-FunctionalityStandard-ModeIn order to reduce the time for commissioning, the menu "Standard-Mode" isavailable. It limits itself to the parameters for standard applications and offersthe following functions:automatic calculation of full count rate and time constantcalibration error indication by diagnostic routinepermanent error diagnosticProfessional-ModeIf you want to use additional functions, then you can switch to the "ProfessionalMode" any time and without interruption.The ”Professional Mode” offers:alternatively manual data entry for otherwise automatic calculated parametersautomatic compensation of the empty count rate for gas pressured vesselpassword protection, alternatively automatic protectiontimely notice and indication of an required source exchangemodification logerror logrelay multifunctionalstorage of a parameter set copy in the E˜-Prom...Further applications from BERTHOLD TECHNOLOGIESDensityBulk FlowMoistureSuper-SensApply the Super-Sens instead of a NaI Detector: for very thick wallsfor large vesselsif there is a demand for smallest source activitiesto continue using existing sourcesNaI DetectorApply a NaI Detector instead of a GM Detector:to reduce the necessary source activityto keep the size of the shielding smallfor bulk cone measurementsfor high gas density in the vesselEvaluation Unit LB 471compact design for a 19" rack (3HE; 4TE)permanent self-monitoring by „watch dog timer“intrinsically safe detector connection (option)The diversity of applicable detectors results in the optimum solution for everyapplication.GM DetectorApply a GM Detector with counter tube for vessels:with diameter between approx. 1 to 5mwith typical wall thicknesses up to approx. 20mmrelative sensitivity: 20relative sensitivity: 65relative sensitivity: 1Technical Data LB 471 GM DetectorsTypes SZ5-GHS-3171-1/2: with Ex-proofGHS-3172-1/2: without Ex-proofExplosion proof ATEX: II 2G EEx ib d IIC T6II 2G EEx de IIC T6CSA: Class I Div. 2 Group B,C,DClass II Div. 2 Group E,F,GHousing stainless steel, IP 65weight 4,5 kg for GHS 31726 kg for Sz5 GHS 3171 Operating temp. -40 ... +50°C (233 ... 323 K)optional: water cooling jacket Storage temp. -40 ... +80°C (233 ... 353 K)Cable gland PG 16 for cable: Ø 5 ... 8mmCable e.g. LiYY 2x1,0 shielded maximum 1000m, maximum 40 OhmNaI DetectorsTypes LB 4401 .. with Ex-proofLB 5401 .. without Ex-proofscintillation counter with NaI(Tl) crystal 50/50temperature stability : +/- 0,1%automatic drift compensationExplosion proof ATEX: II 2G EEx de IIC T6II 2G EEx ib d IIC T6II 2D IP 65 T 80°FM: Class I Div. 2 Group A,B,C,DClass II Div. 2 Group E,F,GHousing stainless steel, IP 65Weight 6 kg without collimator18kg with collimatorOperating temp. -40 ... +60°C (233 ... 333 K)optional: water cooling jacket Storage temp. -40 ... +70°C (233 ... 343 K)Cable gland M 16 for cable: Ø 5 ... 10mmCable e.g. LiYY 2x1,0 shielded maximum 1000m, maximum 40 OhmSuper-SensTypes LB 4430 .. frontal irradiationLB 4431 .. radial irradiationscintillator 150/150temperature stability +/- 0,5%automatic drift compensationExplosion proof ATEX: II 2G EEx ib d IIC T6II 2G EEx de IIC T6II 2D IP 65 T 80°FM: Class I Div. 2 Group A,B,C,DClass II Div. 2 Group E,F,GHousing stainless steel, IP 65Weight 54 kg up to 74 kg according designOperating temp. -40 ... +55°C (233 ... 333 K)optional: water cooling jacket Storage temp. -40 ... +70°C (233 ... 343 K)Cable gland M 16 for cable: Ø 5 ... 10mmCable e.g. LiYY 2x1,0 shielded maximum 1000m, maximum 40 OhmLB 471 · 02-2005.1000 · Id.No. 39505PR2 · Rev.03 · 02-2005BERTHOLD TECHNOLOGIES GmbH & Co. KG · P.O. Box 100 163 · D-75312 Bad Wildbad, GermanyPhone +49 70 81-177-0 · Fax +49 70 81-177-100 · industry@Berthold.com · www.Berthold.comEvaluation Unit LB 4710Types LB 4710-0XX for GM DetectorLB 4710-1XX for NaI Det. or Super-SensArrangements - In a 19" rack 3HE, 4TE, IP20max. 19 modules for 24Vmax. 18 modules for 115/230V- In a Cassette 3HE, 7TE, IP 20for any 19" rack- In a wall mounted housing, IP 66max. 3 modulesPower supply 18-30V DC or 24V AC +10% -15%option: 115/230V AC transformer+10% / -15%, 47-65HzPower consumption max. 4W per moduleOperating temp. -30 ... +60°C (243 ... 333 K)Storage temp -40 ... + 70°C (233 ... 343 K)keep dryWeight 0,3 kg per moduleDetector connection 2 wireoption: intrinsically safe [EEx ib] IICDigital In for external emptyDigital Out 1 relay for min./max. (SPDT)1 relay for failure signal 1 relay for warning signalalternative as min./max. usablecontact load AC: max. 250V, max. 1A, max. 200VADC: max. 300V, max. 1A, max. 60Wohm resistive loadDisplay 2 lines LCD illuminatedeach line 4 digits keyboard for data entrykeyboard lockable via passwordTime constant 0,5 - 999sDecay compensation automatic, for Co-60 and Cs-137Timer buffered with capacitorrunning period without power supply:approx. 1 MonthCertificate for overcharging in vessels which are used for storage water-endanger fluidsaccording WHG Sources and shielding according separate leafletBERTHOLD TECHNOLOGIES reserves the right to implementtechnical improvements and/or design changes without priornotice.