A L M Engineering & Instruments Private Limited Mumbai

We offer superior quality of capacitive level switch that are available at industry leading prices and are known for their accurate readings. These are provided to our clients in the following specifications:
 
Specifications :

• Service: Liquids, powder, and bulk materials compatible with wetted materials.
• Wetted Materials: 316 SS and Polyvinylidene fluoride (PVDF).
• Temperature Limits: Ambient: -40 to 185°F (-40 to 85°C), -4 to 185°F (-20 to 85°C) with under 24 VAC/DC power supply. Process: -40 to 250°F (-40 to 121°C).
• Pressure Limit: 365 psi (25 bar).
• Enclosure Rating: Weatherproof, NEMA 4X (contact factory for explosion-proof).
• Switch Type: DPDT (two form C).
• Electrical Rating: 8A @ 120/240 VAC res., 30 VDC. 1/2 hp @ 120 VAC and 1/4 hp
• @ 240 VAC ind.
• Power Requirements: 12 to 240 VAC/DC.
• Power Consumption: 2.8 Watts max.
• Electrical Connection: 1/2?? NPT conduit opening, screw termination with removable terminal block.
• Process Connection: See model chart.
• Mounting Orientation: Vertical or horizontal.
• Set Point Adjustment: Trips when product touches probe. Cut or extend probe to length of desired trip point. Can be cut as short as 1?? and can be extended by welding on to probe. (Minimum length will be affected by material being sensed.)
• Response Time: 0.2 seconds.
• Time Delay: Adjustable, 0 to 60 seconds.
• Spark/Static Protection: 10 MEG Ohm dissipation resistances with spark gap.
• Surge current: to 100A max.
• Sensitivity: 8 Selectable settings, 1, 2, 4, 6, 8, 10, 14, 20 pF (at 30 pF nominal free capacitance).

We offer magnehelic differential pressure gauges which run on air and non-combustible compatible gases and are offered with the option of natural gas. In addition to this, these housing are fabricated by using die cast aluminum case and bezel, with acrylic cover. These have exterior finish with grey color to withstand 168 hour salt spray corrosion test.

Specifications :

• Accuracy: ±2% of full scale (±3% on - 0, -100 Pa, -125 Pa, 10MM and ±4% on - 00, -60 Pa, -6MM ranges), throughout range at 70°F (21.1°C).
• Pressure Limits: -20?? Hg. to 15 psig.† (-0.677 bar to 1.034 bar); MP option:
• HP option: 35 psig (2.41 bar), 80 psig (5.52 bar).
• Overpressure: Relief plug opens at approximately 25 psig (1.72 bar), standard gages only.
• Temperature Limits: 20 to 140°F.* (-6.67 to 60°C).
• Size: 4?? (101.6 mm) Diameter dial face.
• Mounting Orientation: Diaphragm in vertical position, Consult factory for
• Process Connections: 1/8?? female NPT duplicate high and low pressure taps one pair side and one pair back.
• Weight: 1 lb 2 oz (510 g), MP & HP 2 lb 2 oz (963 g).
• Other position orientations.

We offer precision engineered range of differential pressure switches that are known for their reliable readings and effectiveness. These are subjected to several quality tests so as to ensure they offer accurate readings. Additionally these are available in the following specifications:
 
Specifications :

• Wetted Materials: Diaphragm Material: Silicone. Housing Material: switch body: PA 6.6; Cover: Polystyrene.
• Temperature Limits: Process ambient temperature from -4 to 185°F (-20 to 85°C).
• Pressure Limits: Max. Operating Pressure: 40” W.C. (10 kPa) for all pressure ranges.
• Switch Type: Single-pole double-throw (SPDT).
• Repeatability: ±15% FS.
• Electrical Rating: Standard: Max., 1.5A/250 VAC,
• Max. Switching rate: 6 cycles/min.;
• Gold Contact Option: 0.4 A/ 250 VAC.
• Electrical Connections: Push-on screw terminals. M20x1.5 with cable strain relief or optional 1/2?? NPT connection.
• Process Connections: 5/16?? (7.94 mm) outside diameter tubing, 1/4?? (6.0 mm) inside diameter tubing.
• Mounting Orientation: Vertically, with pressure connections pointing downwards.
• Mechanical Working Life: Over 106 switching operations.
• Weight: 5.6 oz (160 g).
• Enclosure Rating: NEMA 13, IP54.

We offer Vane Flow Switch, which are used widely to measure liquid flow changes in a number of industrial processes. These are available with the following specifications:
 
Specifications :

• Service: Compatible liquids.
• Bellow: Tin-bronze.
• Vane: Stainless Steel.
• Body: Forged brass.
• Temperature Limit: 230ºF (110ºC).
• Pressure Limit: 145 psig (10 bar).
• Enclosure Rating: NEMA 4 (IP64).
• Switch Type: SPDT snap switch.
• Electrical Rating: 10A res, 3A ind @ 250 VAC.
• Electrical Connection: Cable gland with attached wire leads.
• Process Connection: 1?? male NPT.
• Mounting Orientation: Switch must be installed vertically on horizontal pipe runs.
• Set Point Adjustment: Four vane combinations and an adjustment screw.
• Enclosure: Die-cast aluminum alloy.
• Weight: 28.22 oz (0.8 kg).