Spectra Lab Instruments Pvt.Ltd.

MIDC, Mumbai, Maharashtra

Potentiometric Titrator Model Agile Can work as Stand alone or through PC Potentiometric Titrator for acid base, redox, Complexometric, Precipitation etc titrations Key features

Corrosion resistance fiber bodycompact design7" TFT touch screen displayCordless mouse can be usedOnline graph on displayUSB port for printer provided for direct printout without using PCPen drive connectivityAutomatic burette recognition, Burette factor for calculation purpose, Automatic calculation in desired units using Formulae Constants.Document format report print out which can be directly filed, Time, Date, Titration number & Sample identification number facilityAlphanumeric entry possible for sample name, batch number, operator name etc.Individual username & password for each userLimiting system access to authorized individuals meets GLP Compliance. Can be expanded applications like pH stat, COD, KF etc. with suitable accessories. Software for CFR 21 part 11 compliance can be ordered.

it is micro controller based titrator for chemical analysis. It is versatile chemical testing instrument with utmost ease of operation. The wide range of applications are possible with this automatic potentiometric titrator as it is having dosing unit with high accuracy and reproducibility. The auto titrator is not simply digital potentiometric titration apparatus but has flexibility & good scope to select right parameters for right applications making it a fully programmable potentiometric titration apparatus. It has a facility to choose the method itself which can perform a given titration. The titration method development thus becomes a sure way to get the correct results with respect to concentration and tolerance limits. It is possible to store the developed method and recalled for that application.

BOD Biochemical oxygen demand is one of the important parameter of effluent analysis. The SPECTRALAB Microcontroller based BOD Monitor system is based on well known principle of Electrolytic Respirometry In this method exact quantity of oxygen is supplied as per demand & the oxygen required can be directly noted in mg/liter against time.BOD Monitor is designed to measure the oxygen uptake of a given sample continuously. It consist of Cell assembly, Electronic Unit & Magnetic Stirrer. The Sample is kept in continuous stirring to ensure constant absorption of OXYGEN.BOD is to be reported at 27C for 3 days. However, with this instrument after studying routine samples the BOD can be predicted with in 1 to 2 days by using prediction factor.

APPLICATIONS :

Study of Biodegradability & Toxicity of organic compound.Study of reaction kinetics biodegradation of specific waste and its removal from the environment.Study of specific bacterial strength and enzymatic systems responsible for biodegradation of specific compound.Study of oxygen up take rate of biomass and their viable concentration present in activated sludge systems.Monitoring of the performance of effluent treatment systems with greater speed and reliability.

SPECIFICATION :

Microcontroller BasedElectrolytic Respirometry principleNumber samples 2 at a time. Smaple size 1 liter.Dilution range upto 500 mg/ltr.Continuous & hourly display of result with graph.Prediction factor to predict result at 24 or 36 hrs.Dilution factor for automatic multiplication.Digital temperature indication of surrounding temperature.Soft touch membrane key board.16 character duel line backlighted display.Real time clock to give date & time of analysis.Data protection in case of power failure.Printer interface for dot matrix printer.

It consists of Pump, Digital timer, Rotameter ( 0 5 LPM ) & flow controller with provision for holding sampling devices in a compact SS case. Operates on SMP Rechargable Lead Acid Battery. Chemical substances dispersed in the work atmosphere as Gases, Vapours, and Aero-sols when absorbed, may lead to various adverse health effects.The Handy Sampler is used for the evaluation of the levels of pollutants.

APPLICATIONS :

Identifying air pollutants dust, acid mist, ammonia, H2S, free chlorine etc.The assessment of personal exposures.To find the general background levels.To check effectiveness of control.To find out TWA &STEL values.

SAMPLING DEVICES WITH ANALYTICAL METHOD :

The chosen analytical methods will depend on the type of the pollutant.

Filter Paper Holder for Monitoring of dust - For dust the Gravimetric method could be adopted. If it contains metals or their compounds. It can be analysed using Atomic Absorbtion Spectophotometer.

Impingers for analysis of inorganic gases like SO2, NOx etc.- for Gases &Vapours Titrimetric or Spectrophotometric Method is used.

Activated Charcoal Tubes for analysis of Hydrocarbons & Solvent Vapours.- Organic Pollutants are collected on absorbing material ( Activated Charcoal, Silica Gel ) then desorbed and analysed by GC using suitable detector.PERSONAL SAMPLER Model PMP-3B : For personal sampling the portable sampling unit can be fixed to the employees clothing. It consists of pump, flow rate 0 3 LPM with flow adjustment needle valve and rechargeable battery.NOTE AC Operated samplers for higher capacity 15 LPM 200 LPM are also available.

2 in 1 instrument for pH & Conductivity This is a combined instrument for pH & conductivity. The features of pH Meter & conductivity meter are combined in one single instrument giving a price advantage. Buying pH CON is definitely cost effective than buying two separate instruments - Accu pH 3 ( for pH ) & COT 2 (for conductivity). All the commonly required parameters - pH, ORP, Conductivity, TDS, Salinity can be measured with this single instrument. The general specifications are same as that of all other instruments in this family.

In aquatic environments oxygen saturation is a relative measure of the amount of oxygen (O2) dissolved in the water. With Model DO-Met-2 DO is directly measured in PPM. The readings can be stored with date & time for various locations (Manual data logging) or at the same location at different time intervals ( Automatic data logging).

The common Turbidity Meters use incandescent lamps as light sources, which emit broad spectrum. The wide range of wavelengths can cause colorimetric interference in turbidity readings. Also, incandescent lamp output tends to reduce over time. Due to this frequent replacement of lamp & calibration is required. Model NT 4000 uses a narrow band monochromatic light source ( I R LED ). It has a long life & very less wavelength interference. Spectralab Model NT 4000 Turbidity Meter is the most advanced portable microcontroller based Turbidity Meter. It is based on nephelometric and ratiometric principles of turbidity measurement. It uses LED & meets EPA 180.1 and ISO 7027 as well as an infrared ratio ( IR ratio ) mode that gives results in accordance with EPA GLI method 2. It has a memory to store 40 results. The data can be transferred to PC & then printouts can be taken in a document format with report number, data & time.

It is with a single platform having multiple stirring points for6 large flasks of 1 Litre (max - dia 125 mm)or 15 small vessels (max - dia 60 mm) Typical Application :Standardising the condition of dissolving a sample.The facility to read rotation speed and count down time is extremely useful. You can optimise and standardise a particular speed of rotation, time of stirring for a given weight of sample and volume of solvent, thereby ensuring complete and through dissolution of sample before analysis. Whirlmatic Mega magnetic stirrer is a Multipoint aesthetically designed, compact, ultraflat stirring system. The ultra flat design is ideally suited for manyoperations. Due to FRP housing the stirrer is completely corrosion resistant . The conventional stirrers use a magnet fixed to the motor for rotational force, whereas rotating electromagnetic field is used in motorless stirrers It has unique advantages - saving of space, silent and wear proof operation, smooth & reliable stirring speed. A special Soft - Start technique ensures un-attended operation. With Soft Start the stirring paddles always catch the centre to slow, gradual rise in speed till it attains the set level. Digital Indication of RPM & provision of timer to set desired time interval makes the stirrer extremely useful for standardization

Spectralab HM - series of Orbital and Linear Shakersare designed to mix liquids uniformly and thoroughly.They are also ideally suited for microbiological applications such as mixing at controlled slow and steady speed. Accepts variety of vesselssuch as conical flask, dishes, test tubes, bottles etc.Shakers with heating facility are also available.Variable speed - adjustmentthrough soft touch keys. These are sturdy & reliable. Usefulin chemical, Micro-Biological, Biotechnical etc.

Suited for shakingalong with heating. This linear motion shaker is ideal for low & high speed from40 - 200 strokes/min. Microcontrollerbased design to indicate shaking speed, temp. and time withaudio alarm. Hinged SS lid with transparent window. Water bath features and specifications are same, as that of PB 28 L. Accepts conical flasks 12 nos. of 250ml or 8nos. of 500ml or 4 nos. of 1000 ml.

Specifications :

TempRange- 10C above ambient to 95 C(Using water)Temp. Accuracy - 0.2C ( Resolution 0.1C)Controller - Mocrocontroller with keyboard - LCD DisplayTimer - Upto 99 hours ( Audio Alaram after set time )Drive -Permanent MagnetDCMotorMovement -LinearSpeed - 40 - 200 strokes / minLevelcontrol - SS float switch with solenoid valveMOC. - SS- inner tank, outer MS powder coatedLid. -SS lid with transparent window Dimension - 74 x 44 x 31 cm, (Usable Volume : 50x37x23 cm)Power -230VAC / 50Hz, 1700 W

The solid state cooling system is based on peltier effect & can be used for applications such as viscosity bath & other small cooling application

These are basically miniature Thermoelectric Solid State Systems, designed on peltier effect. In many situations, need of analysis at subambient temperature arises. The lab chemist has to use either an elaborate and bulky compressor based cooling system or use ice. Both have their own disadvantages. These Systems are simple, sturdy & occupy very small bench space.No compressor no noise, no vibrations. No Ice, no mess.AllSolidStatedesign, no moving parts, virtually maintenance free.

These are suitable to carry out Titration at subambient or at elevatedtemperatures, to maintainCell Holder Temperature, viscosity measurement, to cool vials & test tubes etc.

Model MCS - 150

Fortitrations at sub ambient or at elevated temperatures :

In this case the titration beaker ( 55mm Dia) is inserted in the block which is kept at desired temp.

Application : Titrations for diazotisation , SAP value and pH Stat