• Product
    • PRESSURE GAUGES
      • Art. 150 - STEEL CASE
        • 150.R - BOTTOM Dial 40 - 50 - 63 mm
        • 150.R - BOTTOM Dial 80 - 100 - 150 mm
        • 150.P - BACK Dial 40 - 50 - 63 mm
        • 150.P - BACK Dial 80 - 100 - 150 mm
        • 150.F - FLANGED Dial 40 - 50 - 63 mm
        • 150.S - U-CLAMP Dial 40 - 50 - 63 mm
        • 48 x 48 - U-CLAMP Squared 48 x 48 mm
      • Art. 101 - OXYGEN SERVICE
        • 101.R - BOTTOM
        • 101.P - BACK
      • Art. 151 - ABS CASE
        • 150.P - BACK Dial 25 mm
        • 151.R - BOTTOM Dial 40 - 50 mm
        • 151.P - BACK Dial 40 - 50 mm
        • 151.CLIP - CLIP
      • Art. MGE - STAINLESS STEEL CASE (GLYCERINE)
        • MGE.R - BOTTOM Dial 40 - 50 - 63 - 80 mm
        • MGE.R - BOTTOM Dial 80 - 100 - 150 mm
        • MGE.B - BOTTOM + WALL FLANGE Dial 40 - 50 - 63 mm
        • MGE.B - BOTTOM + WALL FLANGE Dial 80 - 100 - 150 mm
        • MGE.P - BACK Dial 40 - 50 - 63 - 80 mm
        • MGE.P - BACK Dial 80 - 100 - 150 mm
        • MGE.F - FLANGED Dial 40 - 50 - 63 - 80 mm
        • MGE.F - FLANGED Dial 80 - 100 - 150 mm
        • MGE.S - U-CLAMP Dial 40 - 50 - 63 - 80 mm
        • MGE.S - U-CLAMP Dial 80 - 100 - 150 mm
        • MQ.R - BOTTOM Workshop
        • MQ.B - BOTTOM + WALL FLANGE Workshop
        • MQ.P - BACK Workshop
        • MQ.F - BACK + FLANGE
        • MQ.S - BACK + U-CLAMP
      • Art. 30 - ALL STAINLESS STEEL - ATEX
        • 35.R - BOTTOM Dial 40 - 50 - 63 mm
        • 35.P - BACK Dial 40 - 50 - 63 mm
        • 35.F - FLANGED Dial 40 - 50 - 63 mm
        • 35.S - U-CLAMP Dial 40 - 50 - 63 mm
        • 30.R - BOTTOM Dial 80- 100 - 150 mm
        • 30.B - BOTTOM + WALL FLANGE Dial 80- 100 - 150 mm
        • 30.P - BACK Dial 80 - 100 - 150 mm
        • 30.F - FLANGED Dial 80 - 100 - 150 mm
        • 30.S - U-CLAMP Dial 80 - 100 - 150 mm
        • 32/33.R - BOTTOM Workshop
        • 32/33.B - BOTTOM + WALL FLANGE Workshop
        • 32/33.P - BACK Workshop
        • 32/33.F - FLANGED Workshop
        • 32/33.S - U-CLAMP workshop
      • Art. MISO - ISOMETRIC
        • MISO.R - BOTTOM 63 mm
        • MISO.P - BACK 63 mm
        • MISO.R - BOTTOM 100 mm
        • MISO.P - BACK 100 mm
      • Art. PM - CAPSULE - CASING
        • PM.63R - BOTTOM Dial 63
        • PM.100R - BOTTOM Dial 100
        • PM.63P - BACK Dial 63
        • PMX - R - ALL STAINLESS STEEL Bottom
        • PMX - P - ALL STAINLESS STEEL Back
        • PMX - F - ALL STAINLESS STEEL Flanged
        • PMX - S - ALL STAINLESS STEEL U-Clamped
        • PM - R Speciale - OTHER EXECUTION BRASS Bottom
        • PM - P Speciale - OTHER EXECUTION BRASS Back
        • PM - F Speciale - OTHER EXECUTION BRASS Flanged
        • PM - S Speciale - OTHER EXECUTION BRASS U-Clamped
      • Art. MM - DIAPHRAGM PRESSURE GAUGE
        • MM Thread - WELDED DIAPHRAGM Threaded
        • MMX Thread - HIGH OVERPRESSURE DIAPHRAGM Threaded
        • MMX Flanged - HIGH OVERPRESSURE DIAPHRAGM Flanged
      • Art. SP - DIAPHRAGM SEPARATOR
        • SP1 - SCREWED END Threaded
        • SP1-PVC - PVC - PP - PVDF
        • SP2 - FLANGED For Pipe
        • SP3 - FLANGED Flanged with Extension
        • SP4 - FLANGED Flanged
        • SP5 - SCREWED END Flush diaphragm
        • SP6 - SANITARY Sanitary connection
        • SP7 - SANITARY Clamp connection
        • SP8 - SCREWED END With probe
        • SP.TORR - ACCESSORIES Cooling Tower
      • Art. CK - TEST GAUGE
        • CK - ACCURACY 0,5% Bottom
        • CKB - ACCURACY 0,25% Bottom
      • Art. LAB - DIGITAL
        • LAB-DMM - Accuracy 0,05% certificate by LAT (ACCREDIA accredited laboratory)
        • LAB-PGE - Accuracy 0,50%
        • LAB-PG2 - Accuracy 0,25%
        • LAB-DM2 - 2 Set Point Kl. 0,15%
        • LAB-DFP - Accuracy 0,10% Pressure -> Force
        • LAB-IDR - DATALOGGER Standard batteries
        • LAB-JET - DATALOGGER Rechargeable battery + Wireless
        • LAB-BT2 - Accuracy 0,20%
        • LAB-INC - Panel
        • LAB-QUICK - SOFTWARE
        • 63R_LAB - Economic Tyre gauge
        • 63P_LAB - Economic Tyre gauge
      • Art. MD - DIFFERENTIAL
        • MD Staffa - MEMBRANE dial 150 Bracket
        • MD Flangia - MEMBRANE dial 150 Flanged
        • MD100B - DOUBLE BOURDON dial 100
        • MDM - Magnetic
      • Art. CE - ELECTRIC SWITCH
        • CE - SWITCH Standard
        • CEN - SWITCH Inductive
        • CEE - SWITCH Elettronic
        • CEM - SWITCH Micro
        • CES - SWITCH Switch
      • Art. MGRF - PRESSURE RECORDER
        • MGRF-R - PRESSURE RECORDER Bottom
        • MGRF-P - PRESSURE RECORDER Back
        • MGRF-G - PRESSURE RECORDER Back + BASE
        • MGRF-T - PRESSURE RECORDER portable
      • PARTICULAR EXECUTION
        • 1DPC - Coffee DOUBLE
        • MAS - Manometro ASSOLUTO
        • PHD - FIRE ESTIGUISHING PUMPS
        • U-M - U pressure gauge - METAL base
        • U-L - U pressure gauge - WOODEN base
        • 3232 - Double pressure
      • ART. 3SF - ST. STEEL SOLID FRONT
        • 3SF.RH - BOTTOM High pressure
        • 3SF.R - BOTTOM Dial 100 - 150 mm
        • 3SF.B - BOTTOM + WALL FLANGE Dial 100 - 150 mm
        • 3SB.R - BOTTOM + WALL FLANGE Dial 100 intattaTED FLANGE
      • TEST COUPLING and MICRO-HOSE
        • MP550 - PRESSURE GAUGE ADAPTOR
        • MT-KIT - MICRO HOSE and FITTING
        • MP601 - HANDLING
        • MP611 - FOR PRESSURE GAUGE
        • MP647 - MALE
        • MP501 - O-RING SEALING
        • MP502 - FLAT GASKET SEALING
        • MP503 - METAL SEALING EDGE
        • MP504 - TAPER SEALING
        • MP505 - M16x1.5 and S12.65x1.5
        • MP506 - STANDPIPE
      • ACCESSORIES
        • CLICHE - Customize
        • TORC-GPM - Desk Pressure Generator 0-700
        • TORC-GPM2000 - Desk Pressure Generator 0-2000
        • TORC-LPP700 - Manual pump
        • RB - Rubber Protection
        • LAB-COV - Rubber Protection for DPG
        • F_150 - Flange
        • S_MRE - U-clamp
        • F_MRE - Flange
        • FLBR - Flange and clamp
        • PRVS - Jar Tester
        • X420 - NPT / BSP ADAPTOR
        • ASR - Adjustable needle dumper
        • 2660 - Brass needle dumper
        • MP299 - Connector
        • V_LR - Red index
        • V_LT - Trail index
        • TCRMG - Adjustable red mark
        • GR - Steel seal
      • GAUGE-HOLDER and SYPHONS
        • VPM - GAUGE-HOLDER STAINLESS steel
        • VP3 - GAUGE-HOLDER STAINLESS steel with flange
        • SX - SYPHONS Stainless steel
        • 4400 - GAUGE-HOLDER BRASS with flange
        • 4200 - GAUGE-HOLDER BRASS
        • 4250 - GAUGE-HOLDER BRASS F/f
        • 4300 - GAUGE-HOLDER BRASS push-button suitable
        • 4000 - SYPHONS BRASS
        • 2047 - GAUGE-HOLDER BALL VALVE with revolving
        • 2048 - GAUGE-HOLDER BALL VALVE
        • VPO - OVERPRESSURE PROTECTORS steel
        • VPM.MD2 - MANIFOLD 2 Valves
        • VPM.MD3 - MANIFOLD 3 Valves
        • VPM.MD5 - MANIFOLD 5 Valves
        • MP001 - STEEL GAUGE ISOLATOR M/f
        • MP002 - STEEL GAUGE ISOLATOR straight F/f
        • MP003 - STEEL GAUGE ISOLATOR straight M/f fixed
        • MP901 - STEEL GAUGE ISOLATOR 90° M/f
        • MP902 - STEEL GAUGE ISOLATOR 90° F/f
        • MP903 - STEEL GAUGE ISOLATOR 90° M/f fixed
        • FT290 - GAUGE ISOLATOR STEEL
        • FT291 - GAUGE ISOLATOR STEEL 90°
        • FT292 - GAUGE ISOLATOR STEEL push-button
    • THERMOMETERS
      • DIGITAL
        • LAB-TGR - BOTTOM
        • LAB-TGP - BACK
      • ALUMINIUM/GLASS SIKA
        • 130 - R - STRAIGHT - Bottom
        • 130 - P - ANGLE 90° - Back
        • 130 - V - ANGLE 135° - Back
      • ALL S.S. BIMETAL
        • TBX - P - Art. TBX - STAINLESS STEEL Back
        • TBX - PS - Art. TBX - STAINLESS STEEL Back with every angle
        • TBX - R - Art. TBX - STAINLESS STEEL Bottom
      • BIMETAL
        • 101 - P - Art. 101 - BRASS Back
        • 101 - R - Art. 101 - BRASS Bottom
        • 101 - P - Mini - Art. 101 - BRASS Back dial 32-40-50
      • INERT GAS ALL S.S.
        • TMX - R - Art. TMX - ALL STAINLESS STEEL Bottom
        • TMX - P - Art. TMX - ALL STAINLESS STEEL Back
      • INERT GAS
        • 120 - R - Art. 120 - STANDARD Bottom
        • 120 - P - Art. 120 - STANDARD Back
        • 120X - R - Art. 120X - STAINLESS STEEL CASE Bottom
        • 120X - P - Art. 120X - STAINLESS STEEL CASE Back
        • TAX - Art. TAX - ANTIVIBRATION Anti-vibrating
      • ALL S.S. REMOTE
        • TCX - F - Art. TCX - STAINLESS STEEL Panel Flanged
        • TCX - S - Art. TCX - STAINLESS STEEL U-Clamped
        • TCX - B - Art. TCX - STAINLESS STEEL Wall Flanged
        • TCX - F Nudo - Art. TCX - STAINLESS ST Naked bulb Panel Flanged
        • TCX - S nudo - Art. TCX - STAINLESS ST Naked bulb U-Clamped
        • TCX - B Nudo - Art. TCX - STAINLESS ST Naked bulb Wall Flanged
      • REMOTE
        • 125 - F - Art. 125 - STANDARD Panel Flanged
        • 125 - S - Art. 125 - STANDARD U-Clamped
        • 125 - B - Art. 125 - STANDARD Wall Flanged
        • 125 - F nudo - Art. 125 - BARE BULB Panel Flanged
        • 125 - S nudo - Art. 125 - BARE BULB U-Clamped
        • 125 - B Nudo - Art. 125 - BARE BULB Wall Flanged
      • THERMOWELL
        • PDT - P120 - PIPE THERMOWELL Thermowell for EXPANSION
        • PDT - P101 - PIPE THERMOWELL Thermowell for BIMETALLIC
        • P101.FLC - CANAL FLANGE for BIMETALLIC
        • PDB - BAR THERMOWELL BAR Thermowell
      • ELECTRIC SWITCH
        • CE - SWITCH Standard
      • THERMOREGULATOR
        • 125M - REMOTE U-clamp
      • THERMO-PRESSURE GAUGE
        • 140 - LOCAL MOUNT Bottom
        • 140 - LOCAL MOUNT Back
    • VALVES
      • BALL VALVE
        • VSX-B - Art. VSX - STAINLESS STEEL Reduce port
        • VSX-C - Art. VSX - STAINLESS STEEL Full port
        • VSX-E - Art. VSX - STAINLESS STEEL Full port 3 pcs
        • VSX-03S - Art. VSX - STAINLESS STEEL Socket weld end
        • VSX-03B - Art. VSX - STAINLESS STEEL BUTT weld end
        • VSX-FF - Art. VSX - MINI Stainless Steel Female / Female
        • VSX-MF - Art. VSX - MINI Stainless Steel Male / Female
        • VSX-2 FF - Art. VSX - MINI Stainless Steel Hexagon Female / Female
        • VSX-2 MF - Art. VSX - MINI Stainless Steel Hexagon Male / Female
        • VSX-P - Art. VSX - MINI Stainless Steel Con Portagomma
        • VSX-3L - Art. VSX - 3 Way "L" Movement
        • VSX-3T - Art. VSX - 3 Way "T" Movement
        • VSX-HC - HIGH PRESSURE ST. STEEL Full port
        • VSX-H3L - HIGH PRESSURE ST. STEEL 3 WAY "L" Movement
        • VSX-H3T - HIGH PRESSURE ST. STEEL 3 WAY "T" Movement
        • 2040 - Art. 2050 - BRASS PN 25
        • 2055 - Art. 2050 - BRASS PN 40
        • 2070 - Art. 2050 - BRASS L movement
        • 2071 - Art. 2050 - BRASS T movement
        • 2220 - Art. 2050 - BRASS MINI Female / Female
        • 2221 - Art. 2050 - BRASS MINI Male / Female
        • BHK - HIGH PRESSURE STEEL
      • NEEDLE
        • VPS - IN LINE PN 400-i
        • VPS-150 - IN LINE PN 150
        • VPS-200 - IN LINE PN 200
        • VPS-400 - IN LINE PN 400
      • ACTUATORS
        • UT Tecnopolimero - POLYMER ACTUATOR
        • UT Alluminio - ALUMINIUM ACTUATOR
        • FC-T - techno-polymer LIMIT SWITCH
        • FC-A - steel LIMIT SWITCH
        • FC-X - Stainless steel LIMIT SWITCH
      • S.S. CHECK VALV. and STRAINER
        • VRX-Y - Y STRAINER
        • VRX-J - SWING CHECK VALVE
        • VRX-P - CHECK VALVE Check Valve F/F
        • VRX-PMF - CHECK VALVE Check Valve M/F
        • VRX-PFM - CHECK VALVE Check Valve F/F
        • VRX-PH - CHECK VALVE High pressure Viton Seal
        • VRX-PW - CHECK VALVE High pressure
      • REGULATOR
        • VRX-RB - ST. STEEL BIDIRECTIONAL
        • VRX-RU - ST. STEEL UNIDIRECTIONAL
    • FITTINGS
      • SCREWED END
        • X441 - NIPPLE
        • X441/A - BARREL NIPPLE
        • X451 - WELD END NIPPLE
        • X450 - SOCKET
        • X450/A - HALF SOCKET
        • X448 - REDUCING Bushing M/F
        • X430 - REDUCING Reducing Nipple
        • X444 - REDUCING Reducing Socket F/F
        • X445 - REDUCING F/M
        • X456 - ELBOW Elbow a 90° F/F
        • X458 - ELBOW Elbow 90° M/F
        • X455 - ELBOW Elbow 45° F/F
        • X461 - TEE Tee
        • X457 - CROSS Cross
        • X452 - PLUG Hexagon plug
        • X452/A - PLUG Square plug
        • X453 - CAP
        • X454 - HOSE NIPPLE
        • X489 - NUT
        • XG-FF - UNION F/F
        • XG-MF - UNION M/F
        • XG-MM - UNION M/M
        • XG-90FF - UNION F/F 90°
        • XG-90MF - UNION M/F 90°
      • 3000 SERIES
      • THREADED from BAR
        • XH441 - NIPPLE
        • XH441_S - SIMPLE NIPPLE
        • XH441_A - BARREL NIPPLE
        • XH430 - REDUCING NIPPLE
        • XH448 - HEX. BUSHING
        • XH450 - SOCKET
        • XH450_A - HALF SOCKET
        • XH452 - HEX. PLUG
        • XH453 - FEM. CAP
        • XH456 - ELBOW
        • XH461 - TEE
        • XH454 - HOSE NIPPLE
        • XHG-FF - UNION F/F
        • XHG-MF - UNION M/F
      • WELDING
      • BRASS
        • 441 - NIPPLE nipple
        • 450 - SOCKET Socket
        • 448 - REDUCING Bushing M/F
        • 444 - REDUCING Socket
        • 430 - Reducing NIPPLE
        • 452 - PLUG with OR
        • 456 - ELBOW F/F
        • 458 - ELBOW M/F
        • 459 - ELBOW M/M
        • 461 - TEE F/F/F
        • 462 - TEE F/M/F
        • 465 - TEE M/M/F
        • 463 - TEE M/F/M
        • 464 - TEE M/M/M
        • 466 - TEE M/F/F
        • 457 - CROSS F/F/F/F
        • 485 - CROSS M/F/F/F
        • 452/A - Hexagong PLUG
        • 453 - Hexagon CAP
        • 454 - HOSE NIPPLE
        • 446 - CROSSWALL Crosswall
      • WELDING SEAMLESS
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MDM
  1. Home
  2. Pressure Gauges
  3. Art. Md - Differential
  4. MDM

MDM Magnetic

Pressure Gauges - Art. Md - Differential - Magnetic

MDM

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Use

Recommended for measuring very low gas pressures, it can be used both as a pressure gauge, vacuum gauge or pressure gauge.
The operating principle of this instrument is to transmit the effect of pressure variations through a membrane with the aid of a magnet without physical contact, without the use of movements or gears or other mechanical systems. This system avoids friction between the mechanical parts which could affect the sensitivity and accuracy of the instrument.


Code

MDM

Use

Recommended for measuring very low gas pressures, it can be used both as a pressure gauge, vacuum gauge or pressure gauge.
The operating principle of this instrument is to transmit the effect of pressure variations through a membrane with the aid of a magnet without physical contact, without the use of movements or gears or other mechanical systems. This system avoids friction between the mechanical parts which could affect the sensitivity and accuracy of the instrument.
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Description

- Nominal dial: 125mm.
- IP65 enamelled aluminum case
- Panel or wall mounting
- Aluminum movement with silicone rubber membrane and magnetic system
- Aluminum Dial White background with black lettering
- 1/8" NPF-F threaded connection
- Accuracy class 2.5%

Using range

Pressure: from -68 to + 103 KPa
Temperature: -7 + 60°C

Models

From 60 Pa to 210 KPa

Options

Range in inH20

Information

What is a pressure gauge: operation, types and applications

The pressure gauge is an instrument for measuring the pressure of fluids ...
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Range Converter

Easy toll to convert scales
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Minimun number of notchs

How many notchs a pressure gauge should have?
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Range division and numbers

How the range is divided and where are the numbers
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Threads

Connection of pressure gauges
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Chemical compatibility

Which elements are suitable with materials of process wetted parts
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Picture, dimensions and features could change at any time

Ultimo aggiornamento: 14/07/2025

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BART S.r.l - Via Pietro Magistretti, 9 - 20128 Milano (Italia) Tel. +39.02.27206577 - Fax +39.02.25902084 - info@bart-e.com