Hydrostatic Level Measurement

MJK offers dozens of models of submersible level transmitters for open tanks, wells, basins and reservoirs. Each has its own application-specific design and easily handles rough environments, heavily polluted water and aggressive liquids. Selected models are UL and Atex approved for use in explosive environments.

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Hydrostatic Transmitters

MJK offers a full series of water level transmitters designed for immersion in open tanks, wet-wells, ground water and reservoirs.

Expert 700
Level transmitter has a small external diameter - 16 mm - and is made of 316L stainless steel. The transmitter is designed for measuring levels in water wells.
The MJK expert 700 is an accurate 2-wire transmitter with a piezoresistive measuring system with direct air pressure and temperature compensation and built-in surge protection. Highlights Application: Water wells AISI 316L housing Stainless steel (1.4404/AISI 316 L) diaphragm Ø 16mm outer diameter Programble zero point and span with flexible measuring ranges Measuring ranges between 0 - 30 m and 0 - 100m Measurement and stability accuracy better than ± 0.5 % Output signal 2-wire 4 - 20 mA (700) or Modbus® RS 485 (700 Digital) PE cable Ligthning surge resistance Techical datasheet : Expert 7XXX.pdf

Expert 1400
Level transmitter with improved accuracy for both high and low measuring ranges.
The transmitters are approved for mounting in explosion hazardous areas. It has a capacitive measuring system and built-in breather tube for direct air pressure compensation. Highlights Application: Water wells, water storage and processing AISI 316L housing Ceramic diaphragm Ø 22mm outer diameter Programmable zero point and span with flexible measuring ranges Measuring ranges between 0 - 30 cm and 0 - 300m Accuracy better than ± 0.1 % and stability 0.1 %/year 2-wire 4 - 20 mA output signal PUR cable Ligthning surge resistance Techical datasheet : Expert 7XXX.pdf

Expert 7050
Pressure transmitter has Piezo-resitive measuring principle and absolute pressure measuring system.
Highlights Application: Wastewater and process water PP housing reinforced with 6 mm iron bars Stainless steel (1.4404/AISI 316 L) diaphragm Ø 60 mm outer diameter Measuring range 0 - 2 bar (0-10m WC) Measurement and stability accuracy better than ± 0.5 % Output signal 2-wire 4 - 20 mA (absolute) High pull strength (1000 kg) PUR cable Techical datasheet : Expert 7050.pdf

Expert 7060
Level transmitter is one of the most popular transmitters, sturdy design made for level measuring in waste water aplications around the world.
The transmitter is suitable for measuring level in wastewater pumping stations, tanks and containers at sewage plants, water works, as well as in industrial plants. Highlights Application: Wastewater and process water PP housing reinforced with iron bars Stainless steel (1.4404/AISI 316 L) diaphragm Ø 60 mm outer diameter Programble zero point and span with flexible measuring ranges Measuring ranges between 0 - 2 m up to 0 - 300m Measurement and stability accuracy better than ± 0.25 % Output signal 2-wire 4 - 20 mA (7060) or Modbus RS 485 (7060 Digital) High pull strength (1000 kg) PUR cable Techical datasheet : Expert 7XXX.pdf

Expert 7070
Level transmitter has small external diameter and is made completely in acid proof steel. The transmitter is designed for measuring levels in water wells and drinking water tanks.
The Expert hydrostatic level transmitter 7070 has piezoresistive measuring system with direct air pressure compensation through a tube in the cable. Highlights Application: Water wells, water storage and processing AISI 316L housing Stainless steel (1.4404/AISI 316 L) diaphragm Ø 22 mm outer diameter Programble zero point and span with flexible measuring ranges Measuring ranges between 0 - 2 m up to 0 - 300m Measurement and stability accuracy better than ± 0.25 % Output signal 2-wire 4 - 20 mA (7070) or Modbus® RS 485 (7070 Digital) PT100 for on-line temperature measurement (7070T) PUR cable Techical datasheet : Expert 7XXX.pdf

Expert 3400
Hydrostatic level transmitter with improved accuracy for both high and low measuring ranges.
The transmitters are approved for mounting in explosion hazard areas. It has a capacitive measuring system and built-in breather tube for direct air pressure compensation. Highlights Application: Drinking, waste and process water, chemical resistant and can be used in tanks with chemicals such as a range of acids, bases and ferric chloride PPS plastics housing Ceramic diaphragm, 99,9 % pure Ø 50 mm outer diameter Programble zero point and span with flexible measuring ranges Measuring ranges between 0 - 30 cm and 0 - 300m Improved accuracy better than ± 0.1 % and stability 0.1 %/year 2-wire 4 - 20 mA Output signal High pull strength (1000 kg) PUR cable Techical datasheet : Expert 7XXX.pdf

Accessories

Here you can find the right accessories for your Expert level equipment.

Expert Link
For support of the Expert 1400 og 3400 series, use with 203990 PC Interface.
Software For Win XP-7

Read-Prog Link
For support of the Expert 7060-7070 and 1100-2100 series, use with 203992 PC Interface.
Software For Win XP-7

Transmitter Connection Box
Connection box for level transmitter cabels (4-20 mA).
Highlights IP 67

Mounting Bracket
Mounting bracket expert
Material Sheet steel, hot galvanised Fibreglass reinforced PA-material, black PVC

Isolator
The isolator is an integrated unit including active components with low power consumption.
A power supply provides power to the pressure transmitter through a galvanic separator such that neither current nor voltage exceeds the specified values. Highlights Supply 5-35 V DC, loop powered, lead breakage monitoring Output signal single channel 4 - 20 mA Temperature, ambient -20°C to 60°C Enclosure IP20 Approvals CE-Conformity, Directive 89/336/EC EN 50081-2, EN 50082-2 EC-Type examination certificate BAS 98 ATEX 7343 UL certificate No E106378 UL Group, category, type of protection Ex II (1) G D EEx ia IIC (-20°C ? Tamb ? 60°C) (for zone 1 and 2)

Zener Barrier
The zener barrier is a passive unit requiring a safe grounding connection based on the ATEX regulations.
The Zener barrier contains of a number of Zener diodes for voltage protection. A safety fuse will blow if the current exceeds the limits. Highlights Nominal data 28 V, 300 Intrinsically safe characteristics for (EEx ia) IIC UZ = 28 V, Rmin = 301, IK = 93 mA, Pmax = 0,65 W, Cmax = 0,083°F Lmax = 3,05 mH, L/R ratio: 56 Fuse rating 50 mA Temperature, ambient -20°C to 60°C Enclosure IP20 EC-Type examination certificate BAS 01 ATEX 7005 UL certificate No E106378 UL

Cables
Cables for Expert 7070 and 1400, 7070 W/O tube, 7060 and 3400
Highlights 4 x 1.0mm² (AWG 18/19) Colours PUR

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Industries

Products

Brands

Hydrostatic Level Measurement

Hydrostatic Transmitters

Expert 700

Expert 1400

Expert 7050

Expert 7060

Expert 7070

Expert 3400

Accessories

Expert Link

Read-Prog Link

Transmitter Connection Box

Mounting Bracket

Isolator

Zener Barrier

Cables

Other products from this manufacturer