Insights

Resources for pressure and temperature instrument buyers.

Find technical blog articles, downloadable PDF guides, and brochure-style product entrances for pressure gauges, thermometers, transmitters, diaphragm seals, and application-specific instruments.

48Blog
11PDF Guides
3Brochures
Blog Articles
Pressure gauge factory acceptance test bench with calibration pump and inspection records

Pressure Gauge Factory Acceptance Test Checklist | Manogauge

Pressure gauge factory acceptance test checklist for inspection points, calibration evidence, leak checks, materials, packaging and RFQ documents before shipment.

Compressed air pressure gauge selection for a compressor room with receiver tank, dryer, filters and point-of-use machine

Compressed Air Pressure Gauge Selection | Manogauge

Compressed air pressure gauge selection guide for compressor rooms, dryers, filters, ring mains, regulators, range, materials, accuracy and RFQ data.

Pulp and paper pressure gauge selection schematic in a paper mill stock preparation and steam system

Pulp and Paper Pressure Gauge Selection | Manogauge

Pulp and paper pressure gauge selection for slurry, steam, coating and chemical lines: diaphragm seals, range, materials, clogging risk and RFQ data.

District heating pressure gauge selection in a heat exchanger station with gauges and thermometers

District Heating Pressure Gauge Selection | Manogauge

District heating pressure gauge selection for heat exchanger stations: ranges, DP points, temperature limits, wetted materials, inspection risks and RFQ data.

Fire sprinkler pressure gauge selection in a fire pump room with sprinkler riser gauges

Fire Sprinkler Pressure Gauge Selection | Manogauge

Fire sprinkler pressure gauge selection guide for wet pipe, dry pipe, preaction, fire pump and standpipe systems: range, approvals, inspection, replacement and RFQ data.

CO2 transcritical refrigeration pressure gauge selection for an R744 rack with high pressure and suction measurement points

CO2 Transcritical Pressure Gauge Selection | Manogauge

CO2 transcritical refrigeration pressure gauge selection guide for R744 racks: high-side pressure, flash tank readings, suction points, materials, safety cases, and RFQ data.

SWRO pressure gauge selection in a seawater reverse osmosis plant with high pressure pump and membrane vessels

SWRO Pressure Gauge Selection Guide | Manogauge

SWRO pressure gauge selection guide for seawater reverse osmosis plants: high-pressure pump points, membrane DP, corrosion materials, range sizing, and limits of pressure readings.

Thermal oil pressure gauge selection for heater pump filter and expansion tank monitoring

Thermal Oil Pressure Gauge Selection | Manogauge

Thermal oil pressure gauge selection for heaters, pumps, strainers and expansion tanks: range, temperature isolation, materials, vibration and RFQ checks.

Marine ballast water pressure gauge selection for pump, filter and treatment skid monitoring

Marine Ballast Water Pressure Gauge Selection | Manogauge

Marine ballast water pressure gauge selection for pumps, filters and treatment skids: seawater corrosion, vibration, range, material, installation and RFQ checks.

Solid-front pressure gauge selection on a petrochemical pipe manifold with rear blow-out direction

Solid-Front Pressure Gauge Safety Case Selection | Manogauge

Solid-front pressure gauge selection for high-pressure, gas, steam and hazardous services: safety case design, blow-out back, ASME B40.100, EN 837-1 S3 and RFQ checks.

Chilled water DP monitoring with pressure gauges and differential pressure transmitter in an HVAC plant

Chilled Water DP Monitoring Guide | Manogauge

Chilled water DP monitoring guide for HVAC plants: where to place gauges and differential pressure transmitters, how to size range, and what readings cannot prove.

Steam pressure gauge siphon selection on a boiler room steam header

Steam Pressure Gauge Siphon Selection Guide | Manogauge

Steam pressure gauge siphon selection for boiler rooms and steam headers: pigtail vs U-type siphons, condensate barrier, range, material, valves and RFQ checks.

Nitrogen blanketing pressure gauge selection for a low-pressure storage tank vapor space

Nitrogen Blanketing Pressure Gauge Selection | Manogauge

Nitrogen blanketing pressure gauge selection for low-pressure storage tanks: range, capsule gauges, regulators, vents, oxygen-deficiency risk and RFQ checks.

Pressure relief valve gauge selection on an industrial pressure vessel with vent header

Pressure Relief Valve Gauge Selection Guide | Manogauge

Pressure relief valve gauge selection guide for vessels, pump skids, compressed air and boiler systems: range, set pressure margin, backpressure, rupture discs and safe installation checks.

Chemical dosing skid pressure gauge on a water treatment metering pump discharge line

Chemical Dosing Skid Pressure Gauge Guide | Manogauge

Chemical dosing skid pressure gauge selection guide for water treatment: range, wetted materials, diaphragm seals, pulsation, clogging risk and RFQ checks.

Vacuum pressure gauge selection for a pump and chamber rough-vacuum system

Vacuum Pressure Gauge Selection Guide | Manogauge

Vacuum pressure gauge selection for rough-vacuum service: compound vs vacuum-only gauges, kPa vs inHg vs bar-a units, pump suction points, condensate traps, connection types and RFQ checks.

Oxygen pressure gauge on a clean oxygen manifold with no oil handling controls

Oxygen Pressure Gauge Selection Guide | Manogauge

Oxygen pressure gauge selection guide for clean service: oil-free handling, materials, range, dry case choice, packaging, installation and RFQ checks.

Bimetal thermometer thermowell selection on an industrial hot-water piping skid

Bimetal Thermometer Thermowell Selection Guide | Manogauge

Bimetal thermometer thermowell selection guide for steam, hot water and thermal oil systems: insertion length, material, wake-frequency risk, connection and RFQ checklist.

Biogas pressure gauge on low-pressure gas piping at a biomethane plant

Biogas Pressure Gauge Selection | Manogauge

Biogas pressure gauge selection guide for biomethane plants: low pressure ranges, H2S corrosion, condensate traps, materials, installation and RFQ checks.

Differential pressure gauge filter selection for an industrial filtration skid

Differential Pressure Gauge for Filter Monitoring | Manogauge

Differential pressure gauge filter selection guide for cartridge, bag and membrane filtration skids: DP range, wetted material, ports, alarms, cleaning limits and RFQ checklist.

Pressure gauge overpressure protection on pump discharge piping with surge risk

Pressure Gauge Overpressure Protection Guide | Manogauge

Pressure gauge overpressure protection guide for pumps, water hammer, pulsation, snubbers, pressure limiters, safety cases and RFQ checks.

Real dual-scale pressure gauge dial with bar and psi markings for EN 837-1 procurement review

EN 837-1 Pressure Gauge Standard: Accuracy Class, Safety Pattern & ASME Comparison | Manogauge

EN 837-1 decoded: nominal size, accuracy class (0.1–4.0), S1/S2/S3 safety patterns, range selection, and how it differs from ASME B40.100 — with RFQ evidence checklist.

Cooling tower pressure gauge monitoring points on a condenser water loop

Cooling Tower Pressure Gauge Monitoring Guide | Manogauge

Cooling tower pressure gauge monitoring guide for condenser-water loops: gauge points, strainer DP, side-stream filters, materials, range selection and RFQ checks.

Clean steam pressure gauge selection for pharmaceutical SIP skid

Clean Steam Pressure Gauge for Pharma SIP | Manogauge

Clean steam pressure gauge selection for pharmaceutical SIP: wetted materials, sanitary connections, calibration, monitoring points and RFQ checklist.

Pressure gauge supplier audit checklist with gauges calibration records and ISO quality documents

Pressure Gauge Supplier Audit Checklist | Manogauge

Pressure gauge supplier audit checklist: ISO 9001 scope verification, EN 837/ASME B40.100 compliance, calibration lab traceability, sample testing, wetted material certifications and QC records.

Hydraulic pressure gauge selection for a press power unit and manifold

Hydraulic Pressure Gauge Selection Guide | Manogauge

Hydraulic pressure gauge selection for presses, power units and manifolds: 0–600 bar ranges, glycerin-filled vs snubbers for pulsation, SAE/BSP/NPT port sizing, fluid compatibility and RFQ checklist.

Centrifugal pump pressure gauge selection with suction and discharge gauges on a pump skid

Centrifugal Pump Pressure Gauge Selection Guide | Manogauge

Centrifugal pump pressure gauge selection for suction and discharge monitoring: range sizing from shutoff head, vibration protection, liquid fill vs snubber, materials and installation best practices.

Industrial heat pump pressure monitoring with gauge and transmitter on a retrofit plant manifold

Industrial Heat Pump Pressure Monitoring Guide | Manogauge

Industrial heat pump pressure monitoring guide for retrofit projects: gauge and transmitter selection, range, materials, installation points and commissioning checks.

Pressure gauge snubber on pump discharge piping for pulsation protection

Pressure Gauge Snubber & Pulsation Protection | Manogauge

Stop pulsation from destroying pressure gauges on pumps, compressors and hydraulic systems. Compare orifice, sintered, and liquid-filled snubbers — bore sizing tables, fluid compatibility, and RFQ checklist included.

Ammonia refrigeration pressure monitoring schematic for compressor, receiver and evaporator piping

Ammonia Refrigeration Pressure Monitoring Guide | Manogauge

Ammonia refrigeration pressure monitoring guide for cold storage and food plants: gauge range, materials, DP points, installation and safety limits.

Pressure gauge dial size selection using a real stainless steel pressure gauge product photo

Pressure Gauge Dial Size Guide: 40–150 mm Selection Chart

40, 63, 100 or 150 mm? Compare pressure gauge dial sizes by viewing distance, panel space, accuracy class and EN 837-1 spec. Readability chart + free engineer review.

Pressure transmitter vs pressure gauge selection schematic with local gauge, 4-20 mA transmitter and PLC signal path

Pressure Transmitter vs Pressure Gauge Selection | Manogauge

Pressure transmitter vs pressure gauge: how to decide by application — local indication vs 4–20 mA output, explosion-proof requirements, accuracy class, installation cost and maintenance cycle.

Pressure gauge calibration traceability laboratory with reference standard and test gauges

Pressure Gauge Calibration Traceability Guide | Manogauge

Pressure gauge calibration traceability explained: how to read a calibration certificate, verify ISO/IEC 17025 accreditation, check measurement uncertainty, test point coverage and accept/reject criteria.

Hydrogen electrolyzer pressure monitoring skid with stainless piping and pressure instruments

Hydrogen Electrolyzer Pressure Monitoring | Manogauge

Hydrogen electrolyzer pressure monitoring requires compatible gauges, transmitters, isolation valves and alarm logic for hydrogen, oxygen and water loops.

Outdoor heat pump service scene for A2L refrigerant pressure gauge selection

A2L R-454B Refrigerant Pressure Gauge Selection | Manogauge

A2L R-454B refrigerant pressure gauge selection for HVAC service: manifold gauge use, PT chart checks, service ports, gauge range and safe workflow.

AI data center liquid cooling pressure monitoring gauge installed on CDU coolant piping

Data Center Liquid Cooling Pressure Monitoring | Manogauge

Pressure gauge selection for AI data center liquid cooling: CDU supply/return, rack manifold, filter DP monitoring and coolant compatibility.

Real Manogauge medical pressure gauge for cleanroom pressure reference

GMP Cleanroom Differential Pressure Monitoring | Manogauge

GMP cleanroom differential pressure monitoring for EU Annex 1 compliance: cascade pressure design, gauge vs transmitter selection, hygienic instrument placement and alarm setpoints.

Industrial pressure gauge installation on a process pipeline with a siphon tube

Pressure Gauge Installation Guide: Siphon, Snubber, Thread Sealing & Isolation Valves | Manogauge

Step-by-step pressure gauge installation: choose the right siphon and snubber, seal NPT/BSP threads correctly, size isolation valves, and avoid the 3 mistakes that void warranty.

Manogauge sanitary pressure gauge with tri-clamp connection

Sanitary Pressure Gauge for Food & Pharma | Manogauge

Sanitary pressure gauge selection for dairy, beverage and biopharma CIP/SIP service: 3-A and EHEDG certification, FDA-compliant wetted materials, tri-clamp connections and cleanability criteria.

Industrial pressure gauge on a pipeline, illustrating pressure gauge failure troubleshooting

Pressure Gauge Failure Modes: Diagnosis & Repair | Manogauge

Diagnose pressure gauge failures fast: stuck pointer, zero drift, pointer flutter, fogging, sluggish response, socket corrosion, overpressure damage — root causes and corrective action for each.

Differential pressure gauge manifold installation for filter and pump pressure drop monitoring

Differential Pressure Gauge Selection Guide | Manogauge

How to select a differential pressure gauge for filter monitoring, pump differential, and level measurement: DP range, static pressure rating, manifold choice, materials and RFQ checklist.

Industrial pressure gauges with various certification labels and flags of different countries

Pressure Gauge Export Certifications Guide | Manogauge

Pressure gauge certifications for global export: CE/PED 2014/68/EU, ASME B40.100 (US), GOST R (Russia), JIS B7505 (Japan), 3-A (dairy), ATEX/IECEx (hazardous area) — scope and documentation required.

Industrial standard mechanical pressure gauge for pipeline and equipment monitoring

Industrial Pressure Gauge Selection Guide | Manogauge

Industrial pressure gauge selection guide covering range, wetted materials, accuracy class and threads. Get practical RFQ specs from Manogauge China.

Diaphragm pressure gauge sensing element for corrosive and viscous media measurement

Bourdon Tube vs Diaphragm vs Capsule Gauge: Selection Guide

Select the right sensing element: Bourdon tube, diaphragm or capsule. Covers pressure range, media compatibility and accuracy class. Includes comparison table and free review.

Liquid-filled pressure gauge on pump outlet piping for dry vs liquid-filled gauge selection

Dry vs Liquid-Filled Pressure Gauge Guide | Manogauge

Dry vs liquid-filled pressure gauge: choose glycerin-filled for vibration, pulsation, and pump duty; dry case for clean static service. Includes fluid compatibility, temperature limits and RFQ data.

316L stainless steel pressure gauge for corrosive media applications

Pressure Gauge Wetted Parts: 316L SS vs. Brass | Manogauge

316L stainless steel vs. brass pressure gauge wetted parts: compare corrosion resistance, CIP compatibility and media selection with Manogauge.

Pressure gauge bottom connection showing NPT/BSP thread for pipeline installation

NPT vs BSP vs G Pressure Gauge Thread Guide [+ Chart]

Identify your thread type in 30 seconds: NPT, BSP and G (BSPP) comparison chart, sealing methods, torque specs and a 5-step leak-prevention checklist. Free connection review.

PDF Guides

Technical PDF Guides

Download practical pressure gauge guides for selection, threads, materials, unit conversion, installation, reading, troubleshooting, diaphragm seals and OEM customization.

PDF guide

How to Select a Pressure Gauge

Range, accuracy, dial size, connection, material and filling checks for practical pressure gauge selection.

Selection / Range / Accuracy
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PDF guide

Pressure Gauge Thread Standards Guide

Reference for G/BSP, NPT, BSPT, PT and metric pressure gauge connections and sealing methods.

G / BSP / NPT / Metric
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PDF guide

Pressure Gauge Material Selection Guide

Wetted parts, case, window, movement and connection material notes for industrial gauge buyers.

Wetted Parts / Case / Window
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PDF guide

Liquid-Filled vs Dry Pressure Gauges

Comparison of glycerine or silicone-filled gauges and dry gauges for vibration, pulsation and maintenance.

Vibration / Pulsation / Filling
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PDF guide

Diaphragm Seal Pressure Gauge Guide

Selection notes for corrosive, viscous, sanitary-adjacent and clogging media using diaphragm seals.

Diaphragm Seal / Corrosion
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PDF guide

Pressure Unit Conversion Chart

Quick conversion reference for bar, psi, kPa, MPa, mmHg, kgf/cm2 and atm.

bar / psi / MPa / kPa
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PDF guide

How to Read a Pressure Gauge

Beginner guide to pressure gauge dial scales, units, markings and common reading mistakes.

Dial / Scale / Units
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PDF guide

Pressure Gauge Installation & Maintenance Guide

Mounting, sealing, snubber, calibration and inspection checks before and after installation.

Mounting / Sealing / Calibration
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PDF guide

Pressure Gauge Troubleshooting Guide

Common pressure gauge symptoms, likely causes and practical fix pointers for maintenance teams.

Symptoms / Causes / Fixes
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PDF guide

Pressure Gauge Size, Range & Accuracy Reference

Quick reference for dial sizes, standard ranges, accuracy classes, filling and IP considerations.

Dial Size / Range / Accuracy
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PDF guide

Pressure Gauge Customization & OEM Capabilities

Custom dial, case, window, connection, filling, mounting and OEM/ODM capability overview.

Custom Dial / OEM / ODM
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