Latest airflow meter Tenders | Government airflow meter Tenders

CTN :45430824

18 Jun, 2026 NA

Ariyalur - Tamil Nadu

Tender For supply of lab equipment - basic engineering lab materials, digital balanceweight 500g, accuracy 0.01g, top pan. tare function,caliberation- automatic external display type: led, digital tds meterrange 0-9990 ppm, resolution 1ppm, digital lcd display, atc feature., digital ph meterph range o to 14, resolution 0.01 ph, digital display, joule calorimetercopper vessel, battery eliminator-3a, (2,4,6,8,10,12 v), tubular rheostat 20-3.3a, one way plug key, analog type dc ammeter (0-2a), voltmeter (0-5v), thermometer (alcohol), stop clock, mortar with pestleporcelain/agate,gazed exterior, unglazed grinding surface.item weight 2290 gramsitem diameter 4 inches, water distillation unitoutput capacity: 2 4 liters per hourmaterial: stainless steel boiler and condenserheater: built-in electric heating elementpower supply: 220 240 v ac, 50 hzcooling: water-cooled condensersafety: automatic low water cut-off, ic regulated battery eliminatoric regulated, input: 230v ac; output: 0-12v dc in steps of 2v; capacity: 1a or 2a., galvanometermoving coil type, 30-0-30 scale, sensitivity 20 a/div, resistance approx. 100 ohms., voltmeterdc voltmeter; range 0 10 v, analog , ammeter dc (0 - 2 amp), cdecade resistance box3 or 4 dials, range 0.1 to 100 or 1k , constantan/manganin wire coils., rheostathigh-grade ceramic tube, oxidized resistance wire, 0.5a 5a, range 10 100 ., solar cell kitthe apparatus consist of variable dc power supply, led, solar cell and two multimeters (or an ammeter and a voltmeter). a variable dc power supply of 0-5v. light source is provided by led. the illumination intensity of the led can be controlled, wheatstone bridge kitseries arm: four decade dials in steps of thousands, hundreds, tens, & units of ohms. ratio arm: the ratio arm of the bridge is capable of selecting multiplying factor of 0.001, 0.01, 0.1, 1, 10, 100, 1000 for resistance measurements. two press keys are provided, one marked b is for battery & one marked g is for galvanometer one toggle switch is provided for internal battery a sensitive galvanometer is provided in the bridge., ohms law verification kitbattery eliminator-3a, (2,4,6,8,10,12 v), tubular rheostat 20-3.3a, one way plug key, analog type dc ammeter (0-2a), voltmeter (0-5v), standard resistance coil of 1, 2 ohm (2-set) wound on a wooden bobbin, meter bridgetype: 1 m length, with uniform wire (resistance wire)material: constantan or manganin (low temperature coefficient)scale: 0 100 cm, engraved or printedbase: wooden or metal, rigid, non-conductive supportjoints / terminals: brass or copper, fixed for connections2. galvanometertype: analog, moving coil or digital (for null detection)range: sensitive to detect micro-ampere currentsinternal resistance: high, typically ~100 or as specified5. cells / power supplytype: leclanch cells (1.5 v each) or dc power supplynumber: 2 4 cells in series (or supply ~3 6 v)

CTN :45435039

10 Jun, 2026 NA

Tiruchirappalli - Tamil Nadu

Tender For supply of equipment items - digital tds meter measuring range: 0 9990 ppm resolution: 1 ppm display: lcd automatic temperature compensation (atc): required waterproof: minimum ip67 protection , water distillation unitoutput capacity: 4 litres per hour (lph) ph value: 5.5 to 7.0 conductivity (raw water distillation):3.0 4.0 s/cm or less glassware material: borosilicate 3.3 glass (pyrex/duran equivalent) heating elements: silica-enclosed quartz heaters or chromium-plated element variants power supply: 220 240 v ac, 50 hz / 60 hz, single phase automatic water level cut-off

CTN :45444491

11 Jun, 2026 NA

Arantangi - Tamil Nadu

Tender For purchase of lab equipments for the department of basic engg - digital tds meter(as per notice invaiting tender), digtal ph meter(as per notice invaiting tender), hot plate(as per notice invaiting tender), travelling microscope(as per notice invaiting tender), potentiometer apparatus(as per notice invaiting tender)

State Government

CTN :45431139

12 Jun, 2026 1.39 Lacs

Attingal - Kerala

Tender For state plan-state plan 2025-2026-procurements of equipments for wtps-supply and installation of water quality testing equipments at wtps under ws section 1 attingal-general civil work-general civil work - purchase of jar test apparatus, od229090/2025-2026:supply and installation of the jar test apparatus must meet the following specifications. no. of. stirrers -6 minimum, rpm- 25 to 200 rpm or better, capacity of single stirrer unit-, control—digital control (digital timer & rpm counter), stirrer paddle material (with appropriate corrosion protective coating) - stainless steel, power single phase (220 - 240 volts), illumination—fluorescent tube such that illumination should not contribute heat to the system and entire equipment must have a minimum warranty period of two years, purchase of ph meter, od229087/2025-2026:supply and installation of bench top ph meter must with the following specifications: (a) regarding ph: the range must be between 0.00 to 14.00 ph or better, the resolution 0.01 or better, the accuracy 0.02 ph or better, the calibration points should be atleast 3 points, buffer option should be suitable for standard buffers. (b) regarding mv: range 0 to 1999 mv, resolution 1 mv or better, accuracy mv or better (c) regarding temperature: range 0.0 to 99 degrees celsius or better, resolution should be 0.1 degrees celsius or better, and accuracy of 0.5 degrees celsius or better. (d) the electrode of the ph meter must be a single junction, body plastic/unbreakable material, gel-filled electrode, and atc probe, and the electrode stand should also be provided by the supplier. (e) ph meter must also have lcd/led display, a dual display of ph or mv with temperature, with auto buffer recognition, offset/slope should be displayed, power 230v 10%, must provide a minimum of 100 ml of buffer solutions of ph 7.0, ph 4.0, and ph 9.2. the supplier must provide all accessories for smooth functioning of the equipment and a hard copy of the user manual with instrument specifications. the ph meter must have a minimum warranty of one year for the meter and a minimum of six months for the electrode. the calibration at the time of the installation must be done by the supplier., purchase of conductivity-tds meter, od229088/2025-2026:supply and installation of conductivity - tds meter with conductivity range of at least 0.1 s to100 ms, resolution : 0.001 s and tds range of 0.1 ppm to 100 ppt , temperature : 0 degree celsius to 1000 degree celsius (auto / manual), readout : 7 digits led (3 digits for temp. and 4 digits for cond./tds), printer interface for 80 column d.m. printer with minimum one year warranty

CTN :45417601

18 Jun, 2026 NA

Tuticorin - Tamil Nadu

Tender For supply of lab equipment for basic engineering department - lab equipment, digital balance (item code: a001), digital tds meter (item code: a002), digital ph meter benchtop model (item code: a003), ic regulated battery eliminator (item code: a011), parallelogram apparatus (item code: a015), sonometer apparatus (item code: a017), travelling microscope (item code: a018), potentiometer apparatus (item code: a019), viscosity apparatus (item code: a020), deflection magnetometer apparatus (item code: a022)

Co-operative

CTN :45438974

12 Jun, 2026 13.5 Thousand

Mehsana - Gujarat

Tender For supply of hand tds meter, pocket ph meter range, total hardness test kit, make: aquasol

CTN :45346458

10 Jun, 2026 NA

Vellore - Tamil Nadu

Tender For corrigendum : supply of i year physics, chemistry lab items dept use - digital balanceweight 500g, accuracy 0.01g, top pan. tare function,caliberation- automatic external display type: led, digital tds meter range 0-9990 ppm, resolution 1ppm, digital lcd display, atc feature., heating mantlecapacity: 500ml rating 200w with energy regulator, joule calorimetercopper vessel, battery eliminator-3a, (2,4,6,8,10,12 v), tubular rheostat 20-3.3a, one way plug key, analog type dc ammeter (0-2a), voltmeter (0-5v), thermometer (alcohol), stop clock, hotplateplate size:25 x 30 cm (10 x 12 inch) with adjustable thermostate controlup to 350 degree temprature controlheating element: nichrome heating elementpower supply: 220 240 v ac, 50 hz, electric bunsen burnermaximum temperature up to 800 degree c, power supply 220 to 240 v, power 350 w, water distillation unitoutput capacity: 2 4 liters per hourmaterial: stainless steel boiler and condenserheater: built-in electric heating elementpower supply: 220 240 v ac, 50 hzcooling: water-cooled condensersafety: automatic low water cut-off, ohms law verification kitbattery eliminator-3a, (2,4,6,8,10,12 v), tubular rheostat 20-3.3a, one way plug key, analog type dc ammeter (0-2a), voltmeter (0-5v), standard resistance coil of 1, 2 ohm (2-set) wound on a wooden bobbin, boyles law apparatusthe apparatus includes the quill tube, a retort stand, a clamp, and a mounted meter scale.quill tube specifications:length: approximately 50 cm.bore diameter: uniform bore, roughly 1 mm to 2 mm.construction: glass tube with one end sealed.trapped substance: a mercury pellet (or thread) of length 10 to 15 cm is introduced to enclose a column of air. mounting: attached to a half-meter or meter scale., helical spring apparatusstructure: a rigid support mounted on a heavy metal base, typically cast iron, to ensure stability during tests.springs: high-tensile steel spiral springs, typically (approx 25 mm) diameter, (100 mm) long.measurement scale: a vertical steel meter scale, usually with (1mm) graduations, for precise deflection measurement. loading mechanism: a, typically (50g), hook-attached weight hanger at the bottom. pointer: a fine pointer attached to the bottom of the spring moves along the scale.accessories: includes a set of slotted weights (e.g., (6times 50g) or similar sets) for incremental loading.

CTN :45384466

10 Jun, 2026 NA

Vellore - Tamil Nadu

Tender For purchase of equipments for science and humanity department - equipments for science and humanity department, digital balance, joule calorimeter with full setup, travelling microscope, solar cell kit, wheatstone bridge kit, decade resistance box, voltmeter, ammeter, sonometer apparatus, potentiometer, digital tds meter, water distillation unit, digital electronic balance/analytical balance

CTN :45386611

15 Jun, 2026 NA

Tuticorin - Tamil Nadu

Tender For purchase of lab equipments for basic eng dept - purchase of lab equipments for baisc eng dept (physics and chemistry), digital balance itemcode: a001 weight 500g, accuracy 0.01g, top pan. tare function, caliberation- automatic external display type: led., joule s calorimeter itemcode: a005specifications:copper vessel, battery eliminator 3a, (2,4,6,8,10,12 v), tubular rheostat 20-3.3a, one way plug key, analog type dc ammeter (0 2a), voltmeter (0-5v), thermometer (alcohol), stop clock, ic regulated battery eliminator itemcode: a011specifications:ic regulated, input: 230v ac; output: 0-12v dc in steps of 2v; capacity: 1a or 2a., galvanometer itemcode: a012specifications:moving coil type, 30-0-30 scale, unbranded with bhel specification-sensitivitysensitivity, voltmeter itemcode: a013specifications:dc voltmeter; range 0 10 v, analog., ammeter itemcode: a014specifications:dc (0 - 2 amp), decade resistance box itemcode: a016specifications:resistance box 12 month warranty (dial type) -manganin coil- 2 dials, sonometer apparatus itemcode: a017specifications:sonometer with meter scale attached along with knife edge, tuning forks set 256, 384, 512 ranges, hammer, slotted weight - 500 gm each to a total of 3 kg. brass wire (5 m), travelling microscope itemcode: a018specifications:branded travelling microscope 0 200 mm horizontal and 0-150 mm vertical measurement, potentiometeritemcode: a019specifications:it features a 1-meter to 10-meter constantan/manganin wire stretched on a wooden or sunmica baseboard with a millimeter scale. it includes 4mm brass terminals, a pencil jockey for contact, wire options (10 wires), and a typical resistance range of 10-20 ohms, ideal for high-precision voltage measurements., rheostat itemcode: a021specifications:high-grade ceramic tube, oxidized resistance wire, 0.5a 5a, range 10 100 ., deflection magnetometer apparatusitemcode: a022specifications:deflection magnetometer apparatus with compass box and two short bar magnets, digital electronic balance /analytical balanceitemcode: a001/a007specifictions:load capacity: minimum,500 g readability: 0.01 g,linearity: 0.02g,display: lcd/led,tare function: required,top pan typepower supply: 220 240 v,ac, 50 hz, digital tds meter itemcode: a002specifictions:measuring range: 0 9990,ppm resolution: 1 ppm,display: lcdautomatic temperaturecompensation (atc): requiredwaterproof: minimum ip67 protectionpower source: battery, operated (button cell/aaa, digital ph meter benchtop model itemcode: a003specifications:ph type microprocessor/microcontrolle r ph range: 0 14resolution: 0.01 ph,accuracy: 0.05 ph or better combined ph electrode with temperature sensor two or three-point calibrationfacility temperature compensation type automatic display: lcdpower supply: 220 240 v ac, 50 hz warranty minimum 1 year, laboratory heating mantle (knitted glass yarn) itemcode: a004specifications:capacity: 500ml,temperature range: ambient to 350 c energy regulator/control knob:required power supply: 220-240 v ac,50 hz, mortar with pestle itemcode: a006specifications:material: porcelain size: 100 150 mm inner diameter exterior: glazed grinding surface: unglazed, hot plate itemcode: a008specifcations:top plate material: cast iron plate size: minimum 8 inchdiameter power rating: 2000 w temperature range: ambient o 200 c minimum thermostatic temperaturecontrol: required power supply: 220 240 v ac, 50hz., electric bunsen burner itemcode: a009specifications:electrically operated energy regulator/ control knoboperating temperature 800 c body: stainless steel power supply source: corded electric, supplied with a heavy-duty, heat-resistant,earth-grounded, 3-pin power cord (minimum length 1.2 meters). power consumption: between 350 and 500w power supply: 220 -240 v ac, 50 hz, water distillation unit itemcode: a010specifications:output capacity: 4 litres per hour (lph) ph value: 5.5 to 7.0conductivity (raw water distillation):3.0 4.0 s/cm or less glassware material:borosilicate 3.3 glass (pyrex/duran

CTN :45386618

08 Jun, 2026 NA

Pudukkottai - Tamil Nadu

Tender For supply of chemistry lab equipments - purchase of lab equipments, digital tds meterspecifications: measuring range: 0 9990 ppm resolution: 1 ppm display: lcd automatic temperature compensation (atc): required waterproof: minimum ip67 protection power source: battery operated (button cell/aaa battery), digital ph meter benchtop model specifications: ph type microprocessor/microcontroller ph range: 0 14 resolution: 0.01 ph accuracy: 0.05 ph or better combined ph electrode with temperature sensor two or three -point calibration facility temperature compensation type automatic display: lcd power supply: 220 240 v ac, 50 hz warranty minimum 1 year

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