DOERS TECHNOLOGY CORPORATION · SINCE 1977Technical support　02-2268-2689
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LEVEL MEASUREMENT, MADE CLEAR.

Expertise in
Measurement and Design.

Find product models and technical documents quickly.
Doers level gauges and flow meters for process measurement and control.

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PRODUCTS / SPECIFICATIONS / DOWNLOADS

LEVEL MEASUREMENT500 Series Side-Mounted Float Level SwitchesDOERS / 500 Series
500 SeriesSide-Mounted Float Level Switches
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Instrumentation Expertise Since 1977Built on engineering and manufacturing experience
Specialists in Level and Flow MeasurementFrom local indication to signal transmission
Instrument Selection for Your ApplicationMatched to your fluid, process conditions and installation
PRODUCT CATEGORIES

Start with your measurement needs

All products →
01 / LEVEL500 Series Side-Mounted Float Level Switches

Level

19 products↗

02 / FLOW600 Series Paddlewheel Flow Sensors

Flow

22 products↗

03 / PRESSURE710 Series Pressure Transmitters

Pressure

2 products↗

04 / PANEL METERS200 series LED Digital Panel Meters

Panel meters

11 products↗

05 / SIGNAL CONDITIONING300 series Resistance-to-Current Converters

Signal conditioning

13 products↗

06 / TEMPERATURE400 Series / 410 Series RTD and Thermocouple Temperature Sensors

Temperature

4 products↗

07 / CONTROL VALVES900 Series Diaphragm-Actuated Control Valves

Control valves

5 products↗

08 / INDUSTRIAL COMMUNICATIONS100 series Ethernet Communication Modules

Industrial communications

1 products↗

LEVEL & FLOW

Level gauges and flow meters: find your specifications

Explore magnetic, reflex and transparent level gauges, or browse flow meters by measurement task. Find model information, technical documents and selection guidance.

EXPERIENCE THAT SUPPORTS YOU

From measurement to application.

Founded in 1977, Doers brings instrumentation engineering and manufacturing experience to your measurement needs.

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TECHNICAL GUIDES

Explore the principles behind your selection

Choosing a level instrument by fluid, vessel and maintenance needs →Magnetic level gauges: matching materials, accessories and applications →Reflex vs transparent level gauges: selecting 541 or 542 for the service →Choosing flow meters for water, oils, chemicals, gases and steam →From tanks to pipelines: where level, flow and control instruments fit →