Instrumentation & Gauges

NLS supplies pressure gauges and flow meters for Saudi process, utility and MEP applications, sourcing bourdon-tube and diaphragm gauges across common ranges alongside electromagnetic, ultrasonic and vortex flow meters matched to line size and fluid type. Quotes cover calibration certificates on request, priced in USD, with delivery timed to a project's instrumentation loop check schedule.

What NLS supplies in instrumentation and gauges

Process and MEP packages on Saudi projects call for two instrument categories on almost every P&ID: pressure gauges for local indication at pumps, compressors and vessels, and flow meters for the loops that feed a control system or a custody transfer point. NLS sources bourdon-tube gauges for general service in ranges from 0-10 bar up to 0-600 bar, and diaphragm-seal gauges for viscous, corrosive or high-temperature service where a direct bourdon tube connection would clog or degrade, in dial sizes from 63mm up to 150mm depending on the panel or local mounting.

Flow meters get matched to the fluid and line size rather than picked generically: electromagnetic meters for conductive liquids like water and wastewater, ultrasonic clamp-on or inline meters where a process can't tolerate a line break for installation, and vortex meters for steam and gas service where other technologies don't hold accuracy. NLS asks for the fluid, line size, pressure class and accuracy requirement before quoting, since a meter sized for the wrong flow range reads badly across most of its operating window.

How sourcing and pricing work

Instrument pricing depends on measurement technology, accuracy class, wetted-part material and any hazardous-area certification the installation requires. NLS quotes in USD against an instrument list or P&ID, with lead time running two to four weeks for standard gauges in common ranges and four to ten weeks for flow meters, longer for larger line sizes or units needing factory wet-calibration before shipment. Calibration certificates traceable to a recognized standard come available on request for gauges and meters where a project's commissioning package requires documented proof.

Why project buyers use NLS for instrumentation

A gauge or meter that arrives without the right range or accuracy class fails a loop check the same day it's installed, so NLS builds the instrument list against the actual P&ID rather than a generic spec sheet, catching a mismatch before the order ships instead of during commissioning. NLS is a Saudi-registered company based in Riyadh, prices instrumentation hardware in USD and handles local delivery and calibration coordination in SAR, and the same desk already quotes a project's cable, valves and motors, so instrumentation closes out against the same RFQ instead of a separate supplier thread.

Related products

Pressure Gauges

Pressure gauges give a local reading of system pressure using a Bourdon tube, diaphragm, or capsule sensing element, sized to the process fluid and pressure range rather than a generic dial. NLS sources Bourdon tube and diaphragm gauges from 0 to 1,000 bar, stainless steel and brass wetted parts, to EN 837 and ASME B40.100, for Saudi process instrumentation.

Flow Meters

Flow meters measure the rate of liquid, gas, or steam flow through a line, using a technology matched to the fluid type and required accuracy rather than a one-size-fits-all sensor. NLS sources electromagnetic, ultrasonic, and differential-pressure flow meters for pipe sizes DN15 to DN600, 4-20mA and digital output, to ISO 4064 and OIML standards, for process, utility, and custody-adjacent metering on Saudi projects.

Pressure Switches

A pressure switch trips an electrical contact at a preset pressure point, protecting or controlling equipment rather than displaying a continuous reading like a gauge. NLS sources mechanical and electronic pressure switches with adjustable and fixed setpoints, SPDT and DPDT contact configurations, and IP65/IP66 enclosures, to IEC 60947-5-1, for Saudi pump, compressor, and process protection duty.

Temperature Instruments

Temperature instruments measure process heat using a thermocouple, an RTD, or a thermowell-protected sensor, chosen by required accuracy, temperature range, and process exposure rather than one universal sensor. NLS sources thermocouples and RTDs to IEC 60584 and IEC 60751 tolerance classes, with thermowells in stainless and alloy steel, for Saudi process, HVAC, and utility temperature monitoring.

Flow Switches

A flow switch detects the presence, absence, or threshold of liquid or gas flow in a line and trips an electrical contact, protecting equipment like a pump from running dry rather than measuring a flow rate. NLS sources paddle-type and thermal dispersion flow switches with NAMUR-compatible mounting and IP65/IP66 enclosures, for Saudi pump protection and cooling water verification duty.

Level Instruments

Level instruments detect or continuously measure liquid or solid level in a tank or vessel, using point switches for a single threshold or transmitters for a full level profile. NLS sources float, vibrating fork, ultrasonic, and radar level instruments, with SIL-rated switches built to IEC 61508 and overfill protection matched to API 2350 for Saudi storage tank applications.

Pressure Transmitters

A pressure transmitter converts process pressure into a continuous 4-20mA or digital signal for a control system, unlike a local gauge that's read by eye. NLS sources pressure transmitters with HART-enabled output and, where required, SIL-rated construction referencing IEC 61508, for Saudi process control, pump and compressor monitoring, and DCS/SCADA-integrated instrumentation.

Calibration Equipment

Calibration equipment verifies and adjusts the accuracy of field instruments like gauges, transmitters, and switches against a known reference standard, work that supports traceable measurement rather than a one-time factory setting. NLS sources portable pressure calibrators, temperature dry-block calibrators, and multifunction process calibrators built to support traceability consistent with ISO/IEC 17025 practice, for Saudi instrumentation maintenance programs.

Frequently Asked Questions

Who supplies pressure gauges in Saudi Arabia?+

NLS sources bourdon-tube gauges for general service and diaphragm-seal gauges for viscous or corrosive service, in dial sizes from 63mm to 150mm, quoted in USD against a project's instrument list or P&ID.

How does NLS pick the right flow meter for a project?+

NLS asks for the fluid type, line size, pressure class and accuracy requirement before quoting, matching electromagnetic, ultrasonic or vortex technology to the application rather than pricing a generic meter model.

Does NLS provide calibration certificates with gauges and meters?+

Calibration certificates traceable to a recognized standard are available on request, for projects whose commissioning package requires documented proof alongside the gauge or meter itself.

What's the lead time on a flow meter in Saudi Arabia?+

Flow meters typically take four to ten weeks depending on line size and technology, longer for units needing factory wet-calibration before shipment, compared with two to four weeks for standard pressure gauges.

Can NLS quote instrumentation alongside cable and valves for the same project?+

Yes. The same desk that prices a project's cable, valves and motors also quotes its pressure gauges and flow meters, so instrumentation closes out against one RFQ instead of a separate supplier thread.