ST Instruments

Dum Dum, Kolkata, West Bengal

We offer highly functional Electric contact Gauge with bourden type pressure gauge, sealed diaphragm gauge, schaffer s diaphragm gauge, differential pressure gauge & temperature gauge. Our Electrical Contact Type Pressure Gauge is precisely designed and developed using superior quality tools and machinery. It is made in compliance with the strict industrial norms and standards. We are a renowned Electrical Contact Type Pressure Gauge Manufacturer and Supplier from Kolkata, India. We make them available in various technical grades and sizes. Buy them from us at highly affordable prices. Details

• Maximum rating of Electric contact unit is 380 VAC/240VDC volts
• AC/DC WITH switch Capacity 30VA/18W. (Max.1 AMP.)
• With RELAY application the capacity can be increased up to 5AMP. at 240V AC and 110V DC

Our company has cemented its presence among the reliable Manufacturers and Suppliers of Altitude Pressure Gauges. The Pressure Gauges we make available are manufactured using quality-approved components and the latest technology.  Bulk orders of the Pressure Gauges are processed by us as per the specific requirements of the buyers. One can obtain these at market-leading rates from us. Contact us today!

 

Ranges available kg/cm2 or Psi correlated with Feet of water. Between 1 kg/cm2 or 15 psi & 33 Feet of Water  To  21 Kg/cm2 or 300 psi & 692 Feet of water.

We are counted among the distinguished Manufacturers and Suppliers of Low Pressure Capsule Gauges. The Gauges we make available are known for their high precision and accuracy. In order to meet the bulk and urgent requirements of the buyers, we maintain a large stock of these in our state –of-the-art warehouse. The entire range of the Gauges is reasonably priced by us.

We are one of the prominent Manufacturers & Suppliers of reliable and accurate Receiver Gauge. We offer Receiver Gauge in two different dial sizes such as 100 MM & 150 MM. Receiver Gauge that we offer is highly appreciated for its accuracy in reading and compact size. Our Receiver Gauge can be easily mounted with any of the two options such as direct mounting with bottom entry or panel mounting with back entry.

Dial Size Available : 100, 150, 200, & 250 MM Ranges Available : -760 MMHg. TO 10000 MMWC (Dual scale with Mbar/PSI/Inch/mpa/Pascal ) Case Material : Aluminium Die Cast, with black epoxy paint/SS304 Bayonet Type Bazel.Top Chamber : Die cast aluminum.Bottom Chamber: SS304/SS316Movement : SS304Dial :Aluminium white based with Black numerals & GraduationPointer : aluminium black with micrometer zero adjustableWindow: Plain Clear Glass.Sensing Element : SS316/SS316L DiaphragmAccuracy : +/- 1.5 % FSD.Degree of Protection : IP 65

We abide by the strict delivery policies and thus, we ensure that the products are sternly packed and delivered on time. We ensure that the products we deliver will remain completely damage free as we make use of the finest quality packing material. Moreover, the entire process is supervised by the experts.

 

Technical Specification :

• Standard of manufacturing : EN837-1-1996
• Accuracy : +/- 1.0% of FSD ( On request +/- 0.5 )
• Dial size Available : 40 MM, 63 MM, 100MM, 150 MM, 200 MM, & 250 MM.
• Mounting : Bottom Entry/ Back Entry Panel Mounted
• Case : ANSI-SS-304 Bayonet Type Bazel
• Window Materials : Plain /Shatterproof Glass (Acrylic Glass for glycerin filled)
• Blow out disc : Neoprene material, on the top.
• Degree of protection : IP-65.
• Over range protection : 130% of FSD. 
• Operation of Temperature : 270 Deg. C (0-120 Deg.C in Glycerin)
• Sensing Element : ANSI-SS-316L/ SS-316 Burden tube.
• Socket Materials : ANSI-SS-316L/SS-316
• Method of joining : Argon Arc welding.
• Movement Materials : SS-304/ SS-316( On Request)
• Dial & Pointer Material : Aluminum alloy
• Dial &Graduation color : White Background with black graduations/Markings
• Zero /over range stops : To be provided. /On Request
• Zero Adjustments(Recalibration) : Provided with Micrometer Pointer
• Maximum Reading Pointer : Only on Request (RED)
• Range : As per required (Standard Between -760mmhg. To 1000 Kg/Cm2/Bar/Psi/Mpa/Kpa.).
• Connection Size : 1/2”NPT (M)/ ½” BSP (M) standard, (Other connections on Request)
• Safty Valve  for Saving from Sudden Pressure : (Optional).

Available in SS-304 Case Bazel Dry Or Liquid Filled In Dial Size 2.5, 4, 6, 8, & 10 Inch Accuracy +/-1 % FSD.

We have carved a niche for ourselves as Manufacturer and Supplier of Schaffer Diaphragm Gauge in West Bengal, India. The wide range of Schaffer Diaphragm Gauge that we make available is developed utilizing the latest techniques, in compliance with the industry set norms. Our Schaffer Diaphragm Gauge is reckoned for efficient performance, apart from precise construction.

5 Meter SS Capillary with PVC Armor. (With SS-304 Flexible Armor on request)

 Back Flange: Die cast aluminium 210 MM Dia, 7 MM Dia Holes 3 No. with 120 Degree. 

Bulb & Stem: SS-316 Bulb Dia: 12 MM, Length: 160 MM. 

Connection: SS-316, Adjustable throughout the stem ¾” BSP (M) 

Alarm /Trip Glass Contacts, Relay Coil Supply 230 V AC, Contact Rating 230V AC. 3 Amp./5AmP

 

• Technical Specification For Temperature Gauge:   (Utilization Mainly in Thermal Power Stations)

1. MAKE                  : S T INSTRUMENTS.
2. Casing                 : Die Cast Aluminium/(SS-304 Weather & Moisture Proof on request).
3. Bourdon Tube Material   : SS-316 (Phosphor-Bronze on request).
4. Movement Assembly:   Brass (SS-304 on request).
5. Window                         : Toughened Glass.
6. Pointer                           : External zero adjustable.
7. Dial                                 : Black marking on white base.
8. Accuracy                        : +/- 1% FSD.
9. Connection       : Bottom entry with adjustable union and ferrule throughout the Stem/Capillary.(Or as the specified Drawing)
10. Junction Box     : At the bottom of the casing made of aluminium, with proper gasket. A suitable terminal block has been provided inside the JB to facilitate connection for power supply,   & Alarm and Trip contacts. 

•  These Gauges only can be Manufactured on the basis of proper Drawing, & approval  of  SAMPLE

Alarm & trip contact temperature gauge:capillary length: 5 meter, with pvc armour.(ss-304 armour on request).Case & mounting clamp: die cast aluminum, 210mm dia with 7 mm 3 nos. Hole at 120 deg.mounting clamp.Junction box: at the bottom of the casing made of aluminium, with proper gasket.A suitable terminal block has been provided inside the jb to facilitate connection for power supply cable, & cable gland for alarm & trip.Stem & bulb : ss-316 (ss-304 & mild steel optional).Relay : relay coil at 230 v ac.Contact: contact rating 230 v ac. 3amp. (extendable up to 5 amp.Dial size : 150 mmpointer: external "0" adjustment.Bourdon tube : ss-316.Glass: toughened glass.Movement: ss-304.

We have firmly established ourselves as Alarm & Trip Contact Temperature Gauge Manufacturer and Supplier in West Bengal, India. We utilize modern techniques to design Alarm & Trip Contact Temperature Gauge. The Temperature Gauge, offered by us, provides accurate and fast results. Whats more, our Temperature Gauge range is economically priced. Extras & Accessories

• Safety glass
• Electric contact
• Glycerin filled
• Anti-vibration spring

Range : -38 to 600c

We have created repute for ourselves as Sealed Diaphragm Pressure Gauge Manufacturer and Supplier in West Bengal, India. We are backed by highly qualified professionals making it possible for us to come up with high performance Sealed Diaphragm Pressure Gauge. The Sealed Diaphragm Pressure Gauges can be acquired in different technical specifications with varied accessories from us. Accessories Available

• Safety glass
• Electric contact (only in 100 mm & 150 mm)
• Glycerin filled
• All types of flange ranging from 150 lbs, 1 150 lbs, 2 200 lbs, and to 300 lbs available in neck type sealed diaphragm gauge.

Avail from us Differential Pressure Gauge that is reckoned for providing fast and precise result. The Differential Pressure Gauges, offered by us, are designed utilizing the latest techniques and comply with requisite industry norms and standards as well. Buyers can acquire Differential Pressure Gauge in standardized and customized designs from us. We are a renowned Differential Pressure Gauge Manufacturer and Supplier in West Bengal, India. Applications

• To measure flow along with office plate, venturi etc.
• To check filter efficiency, determining liquid level in pressurized tank
• To evaluate specific gravity changes in a process media

Standard Fitment

• Over range relief valve
• External zero adjustment
• There-way manifold made of stainless steel AISI -316 on request

Accessories Available On Request

• Capillary
• Adjustable pulsation dampener
• Gauge cock
• Syphon
• Electric contact
• Sealed separator ( in this case no equalizer is provided and additional manifold valve is supplied)

We follow a stringent quality procedure to ensure that only a qualitative range of products should be delivered at buyer's end. Raw material that is used for preparing the offered lot is sourced from the genuine vendors. Also, we procure it only after complete quality inspection.

The company has emerged as a prominent Manufacturer & Supplier of Glycerin Filled Pressure Gauges. The company has been offering a high quality range of the Glycerin Filled Pressure Gauges to the clients based across the country. The company offers a wide range of Stainless Steel Glycerin Filled Pressure Gauges at the best prices on a timely basis.

Having sophisticated facilities, we put forward precisely developed Draft Gauge. Our Draft Gauge series is reckoned for excellent construction, accurate results, and dependability. The Draft Gauges can be used for measuring extremely low pressure. We make available Draft Gauges in standardized as well as custom-made designs. We are a prominent Draft Gauge Manufacturer and Supplier in West Bengal, India.

Buyers can contact us to purchase the precision-engineered Capsule Gauge. We are a well-known Capsule Gauge Manufacturer and Supplier in West Bengal, India. The eclectic range of Capsule Gauge that we provide is fabricated using advanced mechanism as per the industry set norms. Capsule Gauges can be acquired in varied specifications from us. Range in Mmwc : Pressure 0 100, 160, 250, 400, 600, 1000, 1600, 2500, 4000 & 6000. and the Corresponding Vaccum Compound Scales

Elewric contact pressure gauges will available 1no1nc2 no2nc magnectic snap action. Will available in cast aliminum case as well sa ss-304 case