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ST-H Ultrasonic Level Transducer

Categories Water Quality Sensor
Model Number: ST-H
MOQ: 1pcs
Payment Terms: MoneyGram,Western Union,T/T,D/P,D/A,L/C
Supply Ability: 1000 Piece/Pieces per Week negotiable
Delivery Time: 5-8 work days
Packaging Details: each unit has individual box and all boxes are packed in standard packages or customers requests available
Brand Name: SIEMENS
Measuring principle: Ultrasonic transducer
Measuring range: 0.3 ... 10 m (1 ... 33 ft)
Frequency: 44 kHz
Beam angle: 12°
Temperature compensation: Compensated by integral temperature sensor
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ST-H Ultrasonic Level Transducer

ST-H
ST-H transducers use ultrasonic technology to measure level in chemical storage and liquid tanks.

7ML1100-.....
ST-H TRANSDUCER


Part NumberDescription
7ML1830-1AQEASY AIMER II, ALUMINIUM, 3/4 INCH NPT WITH 3/4 - 1 INCH PVC COUPLING
7ML1830-1AUEASY AIMER II, 304, FLANGE WITH NPT THREAD, W/CPLNG, 1 INCH
7ML1830-1AXEasy Aimer II Flange, Aluminium with M20 Adapter, 1" and 1-1/2" BSP aluminium coupling
7ML1830-1BKUNIVERSAL BOX BRACKET, FMS-200
7ML1830-1BTUniversal Mounting Adapter, 2 inch NPT
7ML1830-1BUUniversal Mounting Adapter, 2 inch BSP
7ML1830-1EFADAPTER 1"NPT/M20
7ML1830-1GNEasy Aimer adapter Kit, 304, M20 to 1"NPT, 1"NPT to 1"BSP, 1"NPT to 1.5"BSP
7ML1930-1FXKIT, ISOLATION, 1" NPT, XDUCERS


Benefits
Can be mounted on a narrow standpipe
Immune to corrosive and harsh environments
Integral temperature sensor

Application
The narrow design of the ST-H allows the transducer to be mounted on a narrow standpipe. When mounted correctly, it is completely protected from the process and can even be used in harsh, corrosive environments.

During operation, the ultrasonic transducer emits acoustic pulses in a narrow beam perpendicular to the transducer face. The level transceiver measures the propagation time between pulse emission and reception of the echo to calculate the distance from the transducer to the material. Variations in sound velocity due to changes in temperature within the permissible range are automatically compensated by the integral temperature sensor.

Key Applications: chemical storage, liquid tanks


Technical specifications

ST-H


Mode of operation


Measuring principle

Ultrasonic transducer

Input


Measuring range

0.3 ... 10 m (1 ... 33 ft)

Output


Frequency

44 kHz

Beam angle

12°

Accuracy


Temperature compensation

Compensated by integral temperature sensor

Rated operating conditions


Pressure

Normal atmospheric pressure

Ambient conditions


Ambient temperature

-20 ... +60 °C (-5 ... +140 °F) (ATEX and UKEX approved model)

-40 ... +73 °C (-40 ... +163 °F) (CSA/FM approved model)

Storage temperature

-20 ... +60 °C (-5 ... +140 °F)

Design


Weight1)

1.4 kg (3 lb)

Material (enclosure)

Base and lid made of ETFE or PVDF (epoxy fitted joint)2)

Process connection

2" NPT [(Taper), ASME B1.20.1], R 2" [(BSPT), EN 10226] or G 2" [(BSPP), EN ISO 228-1]

Degree of protection

IP68

Cable connection

2-core shielded/twisted, 0.519 mm² (20 AWG), PVC sheath

Cable (max. length)

365 m (1 200 ft) with RG 62 A/U coaxial cable

Options


Flange adapter

3" Universal (fits DN 65, PN 10 and 3" ASME)

Certificates and approvals

CE, UKCA, RCM, KC,
CSA Class I, II, III, Div. 1, Groups A, B, C, D, E, F, G T3 (ETFE only);
FM Class I, II, Div. 1, Groups C, D, E, F, G T4A;
ATEX II 2G Ex mb IIC T5 Gb;
UKEX II 2G Ex mb IIC T5 Gb;
INMETRO Ex mb IIC T5 Gb
VLAREM II
RoHS, China RoHS, WEEE, REACH, NSF/ANSI/CAN 61- 2022
FDA (wetted sensor)
Environmental Product Declaration (EPD)
Kazakhstan Metrology

Production and development certification

  • ISO 9001
  • ISO 14001
  • ISO 18001
  • ISO 45001
  • IEC 62443-4-1
  • EN ISO/IEC 80079-34
  • PED 2014/68/EU


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