Brand: JUMO

JUMO MIDAS S07 MA OEM Pressure Transmitter for Maritime Applications, Type 401021

Name: JUMO MIDAS S07 MA Maritime Pressure Transmitter
Brand: JUMO
SKU: MIDAS S07 MA

Description

A compact pressure transmitter with shipbuilding approval for shipping and offshore

The JUMO MIDAS S07 MA (type 401021) is an OEM pressure transmitter with shipbuilding approval for shipping and offshore equipment. JUMO lists heating, ventilation and air-conditioning, refrigeration, motors, separators and pump manufacture as the application areas. A seal-less welded measuring system keeps the medium inside the device, the silicon sensor tolerates extreme overload even in the lowest ranges and millions of pressure cycles, and all parts in contact with the medium are stainless steel. The datasheet states that certificates for approved device versions can be downloaded from the manufacturer website, so the approval status of a specific order code should be confirmed before purchase.

Technical specifications

Parameter	Specification
Measuring ranges (relative)	0 to 1, 1.6, 2.5, 4, 6, 10, 16, 25, 40, 60, 100 bar; -1 to 0, +0.6, +1.5, +3, +5, +9, +15, +24 bar
Measuring ranges (absolute)	0 to 1, 1.6, 2.5, 4, 6, 10, 16, 25 bar; special ranges on request
Linearity / accuracy	Linearity 0.2 to 0.3 % of span; accuracy 0.5 or 0.6 % at 20 degC; 1.0 to 1.5 % over -20 to +100 degC
Long-term stability	0.2 % of span per year or better
Overload / burst	Example 0 to 10 bar: 40 bar / 60 bar; 0 to 100 bar: 180 bar / 250 bar; all versions vacuum-proof
Output signals	4 to 20 mA 2-wire; 0 to 10 V, 1 to 5 V or 1 to 6 V 3-wire
Supply	4 to 20 mA: DC 10 to 25 V; 0 to 10 V: DC 15 to 25 V; 1 to 5 V and 1 to 6 V: DC 10 to 25 V; current 25 mA or less; reverse-voltage protection; SELV
Burden	Current output RL (UB – 8 V) divided by 0.02 A; voltage outputs RL 10 kohm or more
Step response t90	5 ms or less
Medium temperature	-40 to +125 degC; H2-ready version -40 to +120 degC
Ambient / storage	Attached cable -40 to +100 degC; M12 plug and line socket -40 to +125 degC
Vibration / shock	20 g at 10 to 2000 Hz; shock 50 g for 11 ms and 100 g for 1 ms
EMC	DIN EN 61326-2-3:2022; emission class B; industrial immunity
Protection	Attached cable IP66 (relative) or IP67 (absolute); M12 plug IP66; line socket IP65, with suitable counterpart
Materials	Process connection 304 (standard) or 316 L (H2 ready); membrane 316 L; housing 304; silicon sensor; synthetic filling oil
Weight	80 g with G 1/4 process connection
Load changes	More than 10 million
Process connections	G 1/8, G 1/4, G 3/8, G 1/2 (DIN EN 837); 1/4-18 NPT; G 1/4 DIN 3852-11; 7/16-20 UNF; UNF interior with valve core handle
Electrical connection	11 attached cable (2 m standard, up to 5 m on request); 36 M12 plug; 61 cable socket DIN EN 175301-803 form A
Extra codes	061 UL approval; 462 inverted output; 591 choke; 624 oil and grease free; 630 enlarged channel; 876 test report; 1160 H2 ready (mobile hydrogen)
Order example	401021/000-460-412-504-20-36/000

Choosing range, output and connection

Select the measuring range code (454 to 464 for relative ranges up to 100 bar, 478 to 485 for ranges that include vacuum, and 488 to 495 for absolute ranges), then the output: 405 for 4 to 20 mA, or 415, 418 and 420 for the three voltage outputs. Material code 20 is standard stainless steel and 53 is 1.4404/1.4435 for the H2-ready version, which is only available with process connections 501, 502, 503, 504 or 511. The enlarged pressure channel (630) is offered only with 504, 511 and 521, with channel diameters of 8 mm for the G 1/4 DIN 3852 version and 12 mm for G 1/2 as drawn in the datasheet. Versions with a G 1/4 connection carry an FKM seal, whose medium compatibility must be checked.

The datasheet describes the device as suitable for measuring liquids and says its structure ensures optimum protection against process medium leakage. Typical shipboard circuits are hydraulic, lubricating, cooling or refrigerant lines, but the exact medium and temperature should be confirmed against the stated limits.

Installation, wiring and companions

Wiring is simple: for 4 to 20 mA the white lead carries UB or S plus and the brown lead 0 V or S minus; for the 3-wire outputs the green lead is the signal. The device must be connected to the plant potential equalisation through its electrical or process connection, and the supply must be a limited-energy circuit under EN 61010-1. Any mounting position is allowed, although calibration is done with the device upright and the process connection at the bottom.

For a general-purpose OEM transmitter in the same family see the published MIDAS S05, and for the full list browse pressure instrumentation. Quote requests should give the range and reference, output signal, medium and temperature, fixing thread, connector style and any approval document needed for the vessel.

Documents and quotation

Hosted for reference is the official JUMO data sheet 401021, version 7.00 dated 2025-11-12, eleven pages in English, including dimensions, wiring and the full order code. Seven Star LLC is an independent supplier in Muscat; send the order code and any approval requirement and we will prepare a quotation. Please include the full order code, the intended medium and the required quantity in your request so that the quotation matches the exact version listed in the data sheet.

Datasheets & Documents

Datasheet JUMO MIDAS S07 MA data sheet 401021 V7.00 (EN, 11 pages) Download

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About brand

JUMO is the German maker of temperature sensors, process controllers, pressure transmitters and liquid analysis instruments. Moritz Kurt Juchheim founded it in Fulda in 1948 as M. K. Juchheim KG, making glass thermometers with six employees. The name JUMO comes from the founder's name. It is still a family company headquartered in Fulda, and the parent company has been called JUMO GmbH & Co. KG since 2003.

Seven Star LLC is an independent supplier in Muscat. We list JUMO RTD and thermocouple probes, thermowells, transmitters, controllers, recorders and water analysis instruments, and supply them to process plants, OEMs, HVAC contractors and water utilities in Oman and the GCC by type number.

JUMO company profile

Established	1948, Fulda, Germany, by Moritz Kurt Juchheim
First products	Glass and contact thermometers; platinum glass sensors from 1966
Ownership	Family-owned; renamed JUMO GmbH & Co. KG in 2003
Product families	RTD and thermocouple probes, thermowells, temperature and pressure transmitters, controllers and thermostats, safety temperature limiters, paperless recorders, liquid analysis and flow and level instruments

Milestones

1948: Moritz Kurt Juchheim founds M. K. Juchheim KG in Fulda, making glass thermometers with six employees.
1966: Platinum glass temperature sensors are added.
2003: The parent company is renamed JUMO GmbH & Co. KG.

JUMO products we list

Family	Models	Typical use
RTD and thermocouple probes	902020, 902030, 902050, 902120, 902006 2xPt100, PROCESStemp, mineral-insulated RTD, 901020 thermocouple, 901210, 902810 hygienic, 902550 surface, 902520 HVAC, MarineTemp	Temperature measurement in pipes, vessels, machines, HVAC and food plants
Thermowells and inserts	909710 thermowells, 909740 measuring inserts	Protecting sensors and replacing them without opening the process
Temperature transmitters	dTRANS T01, T03, T04, T05, T06 SIL, T07 HART, T09, T1000 IO-Link, DELOS T switch	Converting sensor signals to 4-20 mA, HART or IO-Link
Pressure and level	dTRANS p20, p30, p31 hygienic, p33 Ex, p02 DELTA, MIDAS S05, MIDAS DP10, DELOS S02, MAERA S25, NESOS R20	Pressure in process, hydraulic and OEM systems; tank and well level
Controllers, limiters and recorders	DICON touch, IMAGO 500, dTRON 316, iTRON, cTRON, diraTRON 104, eTRON T, safetyM STB/STW, safetyM TB/TW, LOGOSCREEN 601, mTRON T	Furnace, oven and process control, over-temperature protection and recording
Liquid analysis and flow	AQUIS touch S, AQUIS touch P, AQUIS 500 pH, AQUIS 500 CR, dTRANS pH 02, pH electrode, digiLine DO, ecoLine NTU, flowTRANS MAG H20, flowTRANS US W01	pH, conductivity, oxygen and turbidity in water treatment; liquid flow

Choosing a temperature sensor starts with the range and accuracy. A Pt100 RTD is accurate and stable from about -200 to 600 °C and is the usual choice in process plants. A thermocouple (type K or J, for example) covers much higher temperatures and responds faster but is less accurate. The wiring also matters: a 3-wire or 4-wire Pt100 connection cancels the resistance of the cable, while a 2-wire connection adds an error that grows with cable length. That is why a head-mounted transmitter is often fitted close to the sensor.

Where JUMO products are used

In Oman and the GCC, JUMO sensors and controllers are used in oil and gas and chemical plants, food and beverage production, plastics and metal heat treatment, HVAC and district cooling, water and wastewater treatment, swimming pools and marine applications.

Ordering JUMO products: what we need

Send the JUMO type number and the full order code from the label (for example 902020/10-...). For probes, add the sensor type (Pt100, Pt1000, type K or J), the number of wires, the insertion length and diameter, and the process connection. For controllers, add the input, outputs and supply voltage.

Facts checked against JUMO's company history, October 2026.

Browse JUMO products by category: Temperature Instrumentation, Pressure Instrumentation, Liquid Analysis Sensors, Controllers & Data Acquisition, Level Transmitter.