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A L M Engineering & Instrumentation Private Limited
A L M Engineering & Instrumentation Private Limited


Differential Pressure

Leading Wholesale Trader of digital differential pressure gauge, aerosense differential pressure gauge, aerosense differential pressure switch, aerosense differential pressure controller, aerosense differential pressure transmitter and differential pressure transmitter from Mumbai.

Digital Differential Pressure Gauge

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Digital Differential Pressure Gauge
Approx. Rs 5,500 / Piece
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Product Details:
BrandALM

Aerosense Differential Pressure Indicator/Transmitter with circular standard Differential Pressure Gage cut out

Features:
  • Built in High and Low Buzzer Alarm for process set parameter.
  • Violation with Acknowledgment key.
  • Unit selectable in mm wc /Pascal
  • Integrated 4 Digit Red LED 7 segment Display of standard 0.5" size.
  • Accuracy is 0.5% of Full Scale
  • Optional 4-20mA OR RS-485 Modbus communication is available
Applications:
  • Pharma Cleanrooms
  • HVAC
  • Environmental
  • Pharma Machinery
  • Across filters
  • Hospital violation rooms
  • Operation theaters & laboratories

Advantages:
  • Precision of  measurement in HVAC duct pressure application makes this instrument suitable for optimization of energy & thereby its conversation is ventilation systems

Analog Output & RS-485 Communication lead to easy integration with Variable frequency drives & SCADA/BMS systems, AHUs.
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Aerosense Differential Pressure Gauge

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Aerosense Differential Pressure Gauge
Approx. Rs 2,200 / Piece
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Product Details:
BrandAerosense

Aerosense CE approved Differential Pressure Gage with adjustable bookmarks feature indicates Positive, Negative or Differential pressure.

Features:
  • Accuracy: 2% of FS
  • 4 inch dial size with Die cast Aluminium case.
  • Diaphragm in vertical position.

Applications:
  • Filter monitoring
  • Blower vacuum monitoring
  • Fan pressure indication
  • Duct, room or building pressures
  • Clean room positive pressure indication
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Aerosense Differential Pressure Switch

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Aerosense Differential Pressure Switch
Approx. Rs 1,150 / Piece
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Aerosense Differential Pressure Switch offer a cost effective solution for filter, fan and duct pressure monitoring in building automation systems in HVAC/R industry.
Product offers filed selectable switching point adjustment and measurement units in PA

Applications:
  • Fan, blower and filter monitoring
  • Pressure and flow monitoring
  • valve and damper monitoring
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Aerosense Differential Pressure Controller

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Aerosense Differential Pressure Controller
Approx. Rs 16,000 / Piece
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Aerosense Differential Pressure Controller with field selectable measuring range for building automation in HVAC/R industry.

Features:
  • Unit select able via menu i.e. PA, kPA, MM WC, IN WC, MBAR
  • Combines upto two relay outputs and 0-10 VDC output options.
  • Optional Auto-Zero feature which electronically adjusts the transmitter zero at predetermined time intervals (every 10 minutes).The AZ adjustment takes 4 seconds

The AZ-calibration eliminates all output signal drift due to thermal, electronic or mechanical effects.

Applications:
  • Fan, Blower and filter monitoring
  • Pressure monitoring in cleanrooms
  • Boiler pressure monitoring and alarm
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Aerosense Differential Pressure Transmitter

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Aerosense Differential Pressure Transmitter
Approx. Rs 4,000 / Piece
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Product Details:
BrandAerosense

Aerosense Differential Pressure Transmitter with 1% accuracy and selectable measuring unit.

Benefits:
  • Eight selectable ranges.
  • Two selectable outputs, 4-20mA & 0-10 VDC
  • Optional Auto-zero feature which electronically adjusts the transmitter zero at predetermined time intervals (every 10 minutes). The auto-zero adjustment takes 4 seconds.

The AZ calibration eliminates all output signal drift due to thermal, electronic or mechanical effects.

Optional display and Auto-Zero feature available.
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Differential Pressure Transmitter

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Differential Pressure Transmitter
Approx. Rs 4,000 / Piece
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Product Details:
BrandDwyer

Dwyer Differential Pressure Transmitter senses the pressure of air and compatible gases & sets a standard 4-20mA output signal.
An 3.5 digit LCD shows process & engineering units.

Application:

Differential Pressure across filters
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Dwyer Differential Magnehelic Gauge

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Dwyer Differential Magnehelic Gauge
Approx. Rs 3,450 / Piece
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Product Details:
BrandDwyer
Model No.Series 2000

Dwyer Magnehelic Differential Pressure Gage indicates Positve, Negative (Vacuum) or Differential Pressure and is accurate within 2%
4 inch dial size.
Wide choice of 81 models are available to suit your needs precisely.

The design resists shock, vibration and over pressures

Applications:
  • Fan & Blower pressures
  • Filter resistance
  • Air Velocity
  • Furnace draft
  • Pressure drop across orifice plate
  • Checks gas-air ratio control and automatic valves
  • Monitors blood and respiratory pressures in medical care equipment

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Dwyer Magnesense Differential Pressure Transmitter

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Dwyer Magnesense Differential Pressure Transmitter
Approx. Rs 4,500 / Piece
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Product Details:
BrandDwyer
Model Number/NameSeries MS

Dwyer Magnesense Differential Pressure Transmitter is an extremely versatile transmitter for mointoring pressure and air velocity.

Features:
  • Field selectable ranges with 4-20mA/0-10VDC/0-5VDC
  • Field selectable English or Metric ranges
  • Field upgradable LCD display
  • Adjustable damping of output signal
  • Ability to select a square root output for use with pitot tubes and other similar flow sensors.
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Dwyer Photohelic Switch

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Dwyer Photohelic Switch
Approx. Rs 25,500 / Piece
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Dwyer Photohelic Switch/Gage combines the function of precise, highly repeatable differential pressure switch with large easy to read analog pressure gage with high/low set points and compact size.
Compatible with air and non-combustible gases.

Features:
  • Gage reading unaffected by switch operation and will continue to read pressure even during power loss
  • Zero and range adjustments outside of gage means no disasembly in normal service
  • Solid state design allows for switching in high cycle rate applications.

Applications:
  • Pneumatic conveying
  • Air Conditioning systems
  • Clean rooms
Specifications:
  • mounting ring, snap ring
  • 18" cable assembly
  • (2) 3/16" tubing to 1/8" NPT adapters
  • (2) 1/8" NPT pipe plugs
  • (4) 6-32 x 1-1/4" RH machine screws (panel mounting)
  • (3) 6-32 x 5/16" RH machine screws (surface mounting)
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Magnehelic Gauge

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Magnehelic Gauge
Approx. Rs 3,250 / Number
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Product Details:
BrandDwyer
ModelSeries 2000

Select the Magnehelic® gage for high accuracy--guaranteed within 2% of full scale--and for the wide choice of 81 models available to suit your needs precisely. Using Dwyer's simple, frictionless Magnehelic® gage movement, it quickly indicates low air or non-corrosive gas pressures--either positive, negative (vacuum) or differential. The design resists shock, vibration and over-pressures. No manometer fluid to evaporate, freeze or cause toxic or leveling problems. It's inexpensive, too.

The Magnehelic® gage is the industry standard to measure fan and blower pressures, filter resistance, air velocity, furnace draft, pressure drop across orifice plates, liquid levels with bubbler systems and pressures in fluid amplifier or fluidic systems. It also checks gas-air ratio controls and automatic valves, and monitors blood and respiratory pressures in medical care equipment.

Note: May be used with Hydrogen. Order a Buna-N diaphragm. Pressures must be less than 35 psi.

Product Applications:

  • Filter Monitoring
  • Air Velocity with Dwyer Pitot Tube
  • Blower Vacuum Monitoring
  • Fan Pressure Indication
  • Duct, Room or Building Pressures
  • Clean Room Positive Pressure Indication
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Wet Differential Pressure Transmitter

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Wet Differential Pressure Transmitter
Approx. Rs 16,000 / Piece
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Product Details:
BrandDwyer

Dwyer Wet/Wet Differential Pressure Transmitter with 0.5% accuracy and NEMA 4X (IP66) enclosure.
It monitors differential pressure of air and compatible gases and liquids.
Output signal of 4-20mA or optional 0-10VDC, 0-5VDC.

Features:
  • Span and zero controls reduce installation and service time.
  • Terminal block reduces wiring difficulties saving installation time.
  • Optional LED indicator provides local status to identify operational conditions.
  • Optional 3-way valve manifold supports high line pressure.

Applications:
  • Flow elements
  • Heat Exchangers
  • Filters
  • Coils
  • Chiller
  • Pumps
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Aerosense Differential Pressure Controller

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Aerosense Differential Pressure Controller
Approx. Rs 17,000 / Piece
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It is recommended that industrialists dealing in the domain of pressure control & temperature drift should make the selection of the all new range of Aerosense Differential Pressure Controller. The device is a type of differential pressure indicator that comes with advanced & standard accessory items. It is also enabled with the zero point adjustment facility and high point adjustment (span) that is provided to deliver the excellent results as per the desired levels of quality in HVAC, fan & blower industries.

Features:

  • Better accuracy
  • Highest pressure range
  • Protection standard conformance
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Compact Differential Pressure Transmitter

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Compact Differential Pressure Transmitter
Approx. Rs 3,750 / Piece
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Product Details:
Model Number/Name616KD

Dwyer Compact Differential Pressure Transmitter with ±0.25, ±1, OR ±2% ACCURACY.
Output Signal: 4 to 20 mA or option with field selectable 0-10, 0-5, 2-10, 1-5 volts.

Features:
  • Simple calibration push button sets back zero and span, saving time installation and over the service life.
  • Cost effective and compact device suitable for OEM application .
  • Ranges and accuracy selection cover a wide range of applications.

Applications:
  • Air handlers
  • Duct Pressure
  • Variable air volume
  • Filter monitoring
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Differential Pressure Indicator

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Differential Pressure Indicator
Approx. Rs 7,000 / Piece
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Product Details:
BrandAerosense

Aerosense Differential Pressure Indicator/Transmitter with Panel mount/Rectangular type cut out
Built in High and Low Buzzer Alarm for process set parameter.
Violation with Acknowlegment key.
Unit selectable in mm WC /Pascal
Integrated 4 Digit Red LED 7 segment Display of standard 0.5 size.
Accuracy is 0.5% of Full Scale
Optional 4-20mA OR RS-485 Modbus communication is available

Applications:
  • Pharma Cleanrooms
  • HVAC
  • Environmental 
  • Pharma Machinery
  • Across Filters
  • Hospital Violation Rooms
  • Operation Theaters & Laboratories

Advantages:
  • Precision of measurement in HVAC duct pressure application makes this instrument suitable for optimization of energy & thereby its conversation is ventilation systems

Analog Output & RS-485 Communication lead to easy integration with Variable frequency drives & SCADA/BMS s
Yes! I am interested

Digital Differential Pressure Manometer

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Digital Differential Pressure Manometer
Approx. Rs 15,000 / Unit
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Product Details:
BrandDwyer

Wet/Wet Handheld Digital Manometer for compatible liquid and gas pressure measurement are versatile, handheld, battery operated available in several basic ranges for positive or positive differential pressure measurements.

Features:
  • Upto 0.5% accuracy
  • Seven user selectable English and metric units
  • Stores upto 40 readings
  • Backlight for use in dim areas

Applications:
  • HEPA filters to determine when a filter needs to be changed
  • Measure pressure drop across pumps
  • Valves to determine valve position
  • Chiller to coils for freeze protection
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Dwyer Differential Pressure Switch

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Dwyer Differential Pressure Switch
Approx. Rs 1,450 / Piece
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Specification:
  • HVAC Differential Pressure Switch with Dual scale filed adjustable Set Point Knob.
  • The ADPS/EDPS is available with settings from 0.08 in wc (20 Pa) up to 20 in wc (5000 Pa).
  • The compact size, adjustment knob and low cost makes ADPS/EDPS the perfect choice for HVAC applications.

Applications:
  • Monitoring air filters and ventilators.
  • Overheating protection for fan heaters.
  • Monitoring industrial cooling air circuits.
  • Monitoring flow in duct ventilation.
  • Controlling air and fire protection dampers.
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Dwyer Digi Mag Digital Differential Pressure Gauge

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Dwyer Digi Mag Digital Differential Pressure Gauge
Approx. Rs 8,500 / Piece
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Product Details:
BrandDwyer
Model No.Series DM-1000

Dwyer Digital Differential Pressure and Flow Gages with 1% accuracy of full scale and fits in Magnehelic Gage cut out.
It monitors the pressure of air and compatible gases just as Magnehelic Gage does.
4-digit LCD display

Features:
  • Field programmed reduces installation time
  • User selectable parameter for pressure, air velocity or flow permits same device for multiple applications.
  • Specialized filter set points for alerts when maintenance is due.

Applications:
  • Filter monitoring
  • Air Velocity or flow
  • Blower vacuum monitoring
  • Fan pressure indication
  • Duct, room or building pressures
  • Clean room positive pressure indication
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Dwyer Digihelic Differential Pressure Controller

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Dwyer Digihelic Differential Pressure Controller
Approx. Rs 27,500 / Piece
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Product Details:
BrandDwyer

Digihelic Differential Pressure Controller is a 3-in-1 instrument possessing a digital display gage, control relay switches and a transmitter with current output.

Features:
  • It is an ideal instrument for pressure, velocity and flow applications.
  • Accuracy: 1% full scale accuracy on ranges down to extremely low 0.25 in wc to 2.5 in wc
  • ranges of 5 in wc or greater maintain 0.5% FS accuracy.
  • 2 SPDT control relays with deadbands are provided along with a scalable 4-20mA process output.

Features:
  • 3-in-1 instrument allows the reduction of several instruments with one product, saving inventory, installation time and money.
  • Secure menu program provides access to device operation only for right skill.

Applications:
  • SCFM duct flow
  • Filter status
  • Duct or building static pressure
  • Damper and fan control
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Dwyer Handheld Digital Manometer

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Dwyer Handheld Digital Manometer
Approx. Rs 9,500 / Piece
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Product Details:
ApplicationIndustrial, Laboratory

Dwyer Handheld Digital Manometer are versatile, handheld and battery operated manometers available in several ranges and accuracy such as ±0.1%, ±0.5%, 0.05%, ±1.5%
All models measure either positive, negative or differential pressure.

Features:
  • Aluminium housing protects instrument against damage.
  • 40 readings in internal memory reduces time to record data.
  • Large, easy to read LCD and simple operations.

Applications:
  • Lab calibration of other pressure instruments
  • Air Velocity/air flow measurement in commercial buildings
  • Monitoring or troubleshooting HVAC systems
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Minihelic Differential Pressure Gauge

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Minihelic Differential Pressure Gauge
Approx. Rs 3,500 / Piece
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Product Details:
BrandDwyer

Dwyer Minihelic Differential Pressure Gage with 52.39 mm diameter dial face.
  • Accuracy is 5% of full scale.
  • It is most compact gauge but is easy to read and can safely operate at total pressures upto to 30 psig.

Benefits:
  • Accidental over ranging upto the rated total pressure will not damage the gage.
  • With removable lens and rear housing, the gage may be easily serviced at minimum cost.
  • The 5% accuracy and low cost make it well suited for wide variety of OEM and user applications.

Applications:
OEM application includes cabinet air purging, medical respiratory therapy equipment, air samplers, laminar flow hoods & electronic air cooilng system.
The minihelic gage is suitable for many of the same applications as the Magnehelic Gage where greater accuracy, sensitivity & higher and lower differential pressure ranges of Magnehelic Gage are not required.
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Wet Differential Pressure Switch

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Wet Differential Pressure Switch
Approx. Rs 4,500 / Piece
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Wet/Wet Differential Pressure Switch with NEMA 4X Enclosure and low differential set points.
Differential set point ranges are available from 2.5 to 75 psid on increasing differential pressure and 1.0 to 67 psid on decreasing differential pressure.

Features:
  • Is suitable for most gas and water based applications.
  • Weatherproof housing provides protection in harsh, wet or dirty environments.

Applications:
  • Proving flow through heat pump or AC unit.
  • Proving flow through chiller
  • Proving flow through pump
  • Proof of flow indicator monitoring
  • Indicating filter differential pressure
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Explosion Proof Differential Pressure Switch

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Explosion Proof Differential Pressure Switch
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Compact, low cost Explosion-proof & Weatherproof DP Switch for use only with air and compatible gases .
It is CE, UL, FM, CSA approved.

Features:
  • Explosion-proof and weatherproof housing provides device protection for outdoor use and harsh environment.
  • External set point screws provides easy access that simplifies making adjustments without opening enclosure
  • Easily accessible electrical connection simplifies the installation.

Applications:
  • HVAC Application
  • Process Application
  • All-weather applications
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Explosion Proof Smart Differential Pressure Transmitter

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Explosion Proof Smart Differential Pressure Transmitter
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The explosion proof Smart Pressure Transmitter is a microprocessor based transmitter which has flexible pressure calibration, push button configuration and programmable using Hart communication.

It can be configured for differential pressure or level applications with zero and span buttons.
It is FM or ATEX approved for use in hazardous (classified) locations.

Features:
  • Configurable using zero/span buttons.
  • Rangeablity (100:1)
  • High accuracy (+/- 0.075%)
  • Selectable engineering units
  • Fail-mode process function

Applications:
  • Flow measurement
  • Level monitoring
  • Filter or pump differential pressure
  • Critical process monitoring
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Setra Intrinsically Safe Differential Pressure Transducer

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Setra Intrinsically Safe Differential Pressure Transducer
Approx. Rs 30,000 / Piece
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Intrinsically safe Differential Pressure Transmitters sense gage (static) or differential pressure and convert this pressure difference to current or voltage output.
It is packaged in a die cast aluminium enclosure that is specifically desinged for IP65 to withstand environmental effects.

Features:

  • Optional accuracies as high as 0.25%
  • Ranges as low as 0.1 inch wc
  • Meets CE conformance standards.


Applications:

  • Power Plant
  • Energy Management Systems
  • Orifice plate flow measure
  • Over pressurization and Furnace draft 
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Intrinsically Safe Differential Pressure Transmitter

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Intrinsically Safe Differential Pressure Transmitter
Approx. Rs 45,000 / Piece
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Product Details:
Model Number/NameSeries ISDP

Intrinsically safe Differential Pressure Transmitter for Hazardous Zone Pressure and Flow Applications.
It provides 4-20mA process output. a robust NEMA 4X enclosure, a large LCD display that can be programmed to read in pressure, velocity or flow.
It provides 0.5% full accuracy on ranges from 0.25 inch wc to 100 inch wc as well as bidirectional models upto 10 inch wc.
It is an ideal instrument for monitoring pressure or air flows in hazardous zones having a Class I Div. I Groups A, B, C, D; Class II Div.I Groups E, F, G, Class Div.I ratings
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Handheld Digital Manometer

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Handheld Digital Manometer
Approx. Rs 9,500 / Piece
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Product Details:
ApplicationIndustrial, Laboratory

Owing to the expertise of our professionals, we have emerged as the foremost organization for manufacturing Handheld Digital Manometer that is mainly used for measuring pressure. Being a quality-oriented organization, we assure our clients that this manometer is best in quality. Our vendors only utilize fine quality raw material, while manufacturing the entire range. Moreover, our offered manometer can be availed in a wide range of sizes, as per the requirements of our esteemed clients.Features: High performance Enhanced durability Compact design
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Aerosense Differential Pressure Transmitter

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Aerosense Differential Pressure Transmitter
Approx. Rs 2,800 / Piece
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Product Details:
BrandAerosense

Aerosense Differential Pressure Transmitter with 2 selectable ranges and 4-20mA output.

Features:
  • High accuracy sensor.
  • Service in Air and non-combustible, Compatible gases.
  • 4 digit LCD Display
  • Adjustable zero point set

Applications:
  • Air conditioning
  • Filter and Fan
  • Negative pressure isolation room
  • Air pressure controller
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A L M Engineering & Instrumentation Private Limited
Mahdi Hasan (Director)
No. 302-304, Damji Shamji Industrial Complex L. B. S. Marg, Kurla West,
Mumbai - 400070, Maharashtra, India
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