Name

Oil film detector
alarm setting device

Model

AS-3

Description

The Oil film detector alarm setting device, specifically designed for oil film detectors, measures variations resulting from ruffled water surfaces in water channels by a standardized signal (1 to 5 V DC) and outputs an alarm signal when the average measurement exceeds a preset value.

Click here for information on μm-class ultrathin oil film detector.

Click here for information on Capacitive mm-class oil film detector.

Compatible models

Detector-liquid

μm-class ultrathin oil film detector

Model QBS-OFμ

Non-explosion-proof type

Separated transducer type

μm-class ultrathin oil film detector NSB-OFμ

Model NSB-OFμ

Instrinsically safe construction

Separated transducer type

Products and Service

Level switches

Capacitive Level switch

Model NQH / Model NSH

Net capacitive Level switch

Model DLS

General-purpose Capacitive Level switch

Model OCT

Impedance type Level switch

Model NQS / Model NSS

Guard type Level switch

Model NQS-G / Model NSS-G

Vibrating Level switch

Model DTA / Model STA

Vibrating flat Level switch

Model DTA-F / Model STA-F

Vibrating Level switch for sediment

Model DTA-D / Model STA-D

General-purpose Vibrating Level switch

Model DTA-G / Model STA-G

Level switch for molten metals

Model DIM-LS / ModelIPM-LS

Conductive Level switch

Model NQS-CL・DR-L / Model NSS-CL

Blower-equipped Level switch

Model NQH・DTA-BL / Model NSH・STA-BL

Level transmitters

Capacitive Level transmitter

Model QBS / Model NSB

Impedance type Level transmitter

Model IP-QBS / Model IP-NSB

Guard type Level transmitter

Model QBS-G / Model NSB-G

Self-balancing interface Level transmitter

Model NQC / Model NSC

Level transmitter for molten metals

Model DIM

Level transmitter for vertical piping

Model QBS-VP / Model NSB-VP

Blower-equipped Level transmitter

Model QBS-BL / Model NSB-BL

Capacitive Level transmitter for large tanks

Model QBS-LL / Model NSB-LL

Vertically anchored wire Level transmitter for large tanks

Model QBS-AW / Model NSB-AW

Non-contact self-balancing Level transmitter

Model DNC

Level transmitters for liquid

Capacitive water・fluid Level transmitter

Model QBS-WF / Model NSB-WF

Capacitive interface Level transmitter

Model QBS-IF / Model NSB-IF

Impedance type fluid Level transmitter

Model IP-QBS-FL / Model IP-NSB-FL

Impedance type interface Level transmitter

Model IP-QBS-IF / Model IP-NSB-IF

Relative permittivity-correcting Level transmitter

Model QBS-DC / Model NSB-DC

Float type Level tramsmitter

Model FM / Model FS

Various transmitters

Vibrating viscometer

Model QBS-V / Model NSB-V

Electrostatic voltmeter

Model S-21

Electrostatic ammeter

Model S-22

Vibrating Densitometer

Model QBS-D / Model NSB-D

Vibrating Coagulometer

Model QBS-C / Model NSB-C

Capacitive Moisture meter

Model QBS-MM / Model NSB-MM

Turbine Flow meter

Model DM-11 / Model TM-11

Buildup meter and Densitometer

Model QBS-CT

Electromagnetic induction type metal detector

Model DIM-MD

Vibrating viscometer for laboratory

Model V-1

Transmitters for liquid

Relative-permittivity meter

Model QBS-RP / Model NSB-RP

Conductivity meter

Model QBS-CM / Model NSB-CM

Minimal-leakage meter for piping

Model QBS-LE / Model NSB-LE

Capacitive oil-in-water meter

Model QBS-OW / Model NSB-OW

Capacitive moisture-in-oil meter

Model QBS-MO / Model NSB-MO

Weir type Flowmeter

Model QBS-FM / Model NSB-FM

Various detectors

Lump detector

Model D-S / Model LD-11

Moisture detector for large flexible containers

Model D-MF

Piping powder flow detector

Model OBS-PF / Model NSB-PF

Microwave-based flowing-powder detector

Model D-MM3

Impact type falling-powder detector

Model D-I

Three-dimensional presence detector

Model D-TP

Photoelectric film detector

Model D-TF

Portable moisture detector

Model D-MP

Detectors for liquid

Conductive switch

Model NQS-CS・DR / Model NSS-CS

μm-class ultrathin oil film detector

Model QBS-OFμ / Model NSB-OFμ

mm-class oil film detector

Model NQH-OFm / Model NSH-OFm

Drain pipe leakage detector

Model NQS-LE / Model NSS-LE

Moisture detector for quenching oil

Model D-Q

Foam detecting switch

Model NQH・NQS-FO / Model NSH・NSS-FO

Various options

Level switch operation checker

Model OC-NH

Operation indicator lamp for Level switch

Model NQH-○○○W / Model DTA-○○○W

Operation indicator lamp for general-purpose Level switch

Model OCT-○W

Integrated type indicator

Model ○○○-W

Separated type indicator

Model LI-100

Electrostatic capacitance measuring device

Model DM-C

Capacitance generator

Model SVC-500 / Model SVC-1000

Fixed resistor for conductivity meter

Model CM-R

Small measurement probe for laboratories

Model DL-MP

Oil film detector alarm setting device

Model AS-3

Static arrestor

Model SP-2

Lightning arrestor

Model SK-2

Lump detector calibrating spring scale

Model LD-S

Lump detector correcting potentiometer unit

Model LD-P

Monitoring device

Model DF-M

Common options available for models

Peripheral equipment

Various products

Cryogenic or ultrahigh temperature models

Ultrahigh-vacuum/ultrahigh-pressure models

High-load models

Products compliant with the High Pressure Gas Safety Act

Maintenance

Inspection

Calibration

Repair

Materials・Parts・Machining

Materials

Parts

Machining

Sample testing of
electrical characteristics

Dielectric strength test

Relative permittivity measurement

Electrical conductivity measurement

Capacitance measurement

Sample testing of
material properties

Manufacturer of Level Switch, Level Transmitter, Detector and Sensor DITECH,LTD.

DITECH,LTD.

Level switches

Level transmitters

Level transmitters for liquid

Various transmitters

Transmitters for liquid

Various detectors

Detectors for liquid

Various options

Various products

Peripheral equipment

Maintenance

Materials・ Parts・Machining

Our business

Our major customers

Our customers

Our distributors

Technical examples

Frequently asked questions

Company profile

Company outline

Company history

Technology history

Top message

Recruitment

Oil film detector alarm setting device

AS-3

Detector-liquid

μm-class ultrathin oil film detector

Products and Service

Level switches

Capacitive Level switch

Model NQH / Model NSH

Net capacitive Level switch

Model DLS

General-purpose Capacitive Level switch

Model OCT

Impedance type Level switch

Model NQS / Model NSS

Guard type Level switch

Model NQS-G / Model NSS-G

Vibrating Level switch

Model DTA / Model STA

Vibrating flat Level switch

Model DTA-F / Model STA-F

Vibrating Level switch for sediment

Model DTA-D / Model STA-D

General-purpose Vibrating Level switch

Model DTA-G / Model STA-G

Level switch for molten metals

Model DIM-LS / ModelIPM-LS

Conductive Level switch

Model NQS-CL・DR-L / Model NSS-CL

Blower-equipped Level switch

Model NQH・DTA-BL / Model NSH・STA-BL

Level transmitters

Capacitive Level transmitter

Model QBS / Model NSB

Impedance type Level transmitter

Model IP-QBS / Model IP-NSB

Guard type Level transmitter

Model QBS-G / Model NSB-G

Self-balancing interface Level transmitter

Model NQC / Model NSC

Level transmitter for molten metals

Model DIM

Level transmitter for vertical piping

Model QBS-VP / Model NSB-VP

Blower-equipped Level transmitter

Model QBS-BL / Model NSB-BL

Capacitive Level transmitter for large tanks

Model QBS-LL / Model NSB-LL

Vertically anchored wire Level transmitter for large tanks

Model QBS-AW / Model NSB-AW

Non-contact self-balancing Level transmitter

Model DNC

Level transmitters for liquid

Capacitive water・fluid Level transmitter

Model QBS-WF / Model NSB-WF

Manufacturer of Level Switch, Level Transmitter,
Detector and Sensor DITECH,LTD.

Oil film detector
alarm setting device