Load Cell / Strain Gauge
Instrumentation Products

Our signal-conditioning bridge amplifiers can be used with load cells, strain gauges, pressure sensors, hydrostatic transmitters and other kinds of differential bridge sensors. They have been designed to be highly flexible with a wide variety of technical and mechanical features. They can be used as standard, ready-to-go units, or we can probably tweak one to fit your particular requirements.

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Some of the main features include: 2-wire or 3-wire systems (power supply/output signal); analog output (current, voltage), digital output (I2C, RS232, RS485, USB, wireless), sensor excitation source (voltage, current), sensor bridge resistance (87R, 120R, 350R, 1000R, etc.) They can be fitted "in-line" or mounted directly with the transducer sensor. We offer some of smallest amplifiers in the industry, with a diameter of only 18mm! (same size as a 5p piece).

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If you require help selecting a suitable amplifier, or require a completely new one, please give us a call!

2-Wire, Current Output
25.4mm Ø compact board
AS0332 Datasheet

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2-Wire, Current Output
18mm Ø ultra-compact board
AS1332 Datasheet
AS1332 3D-Step model

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2-Wire, Current Output
40.6mm Ø board, clamp connectors
ASC333 Datasheet

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2-Wire, Current Output
56mm x 23mm board, Current-source excitation
ASLH176 Datasheet

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2-Wire, Current Output
29.2mm x 15.3mm compact board
ASR333 Datasheet

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2-Wire, Current Output
89mm x 70mm board, Current-source excitation
ASRT4 Datasheet

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3-Wire, Current Output
29mm x 29mm board, Transient protection
AS0100 Datasheet
AS0100 3D-Step model

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3-Wire, Current Output
25.4mm Ø circular compact board
AS0332B Datasheet

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3-Wire, Current Output
18mm Ø ultra-compact board
AS1332B Datasheet
AS1332B 3D-Step model

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3-Wire, Current output (ie. 0.2mA - 8.2mA)
18mm Ø ultra-compact board, low voltage supply
AS200501 Datenblatt
AS200501 3D-Step model

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3-Wire, Current Output
29mm x 29mm board, Linearity adjustment
AS200706 Datasheet
AS200706 3D-Step model

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3-Wire, Current Output
48mm x 41mm board, Several options
AS7539A Datasheet
AS7539A 3D-Step model

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3-Wire, Current Output
43mm Ø board, Linearity adjustment
ASDL1B Datasheet
ASDL1B 3D-Step model

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3-Wire, Current Output
72mm x 108mm board, Transducer remote-sensing
ASUNIAMP Datasheet

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3-Wire, Voltage Output - several options
18mm Ø board, Uni-/Bipolar output
AS200507 Datasheet
AS200507 3D-Step model

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3-Wire, Voltage Output
48mm x 41mm board, Uni-/Bipolar output
AS7539A Datasheet
AS7539A 3D-Step model

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3-Wire, Voltage Output
72mm x 108mm board, Uni-/Bipolar output
ASUNIAMP Datasheet

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maximum 4x AS7539A Amplifiers
127mm x 104mm board, optional housing
AS7539A Datasheet

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maximum 8x AS7539A Amplifiers
183mm x 127mm board, optional housing
AS7539A Datasheet

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maximum 8x AS1332B Amplifiers
68mm x 113mm board, optional housing
ASM2-8 Datasheet
ASM2-8 3D-Step model

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USB Output, 1-Channel, 24-bit
61mm x 33.5mm board, Bridge amplifier
Coming soon

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USB Output, 2-Channel, 24-bit
61mm x 33.5mm board, Bridge amplifier
Coming soon

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I2C Output, 16-bit
18mm Ø board, Auto-/Manual Adjustments
Coming soon

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Single-channel, 2.4 GHz wireless transmitter
compact board, AES 128-bit encryption (optional)
AS020-SEN-WL Datasheet
AS020-SEN-WL 3D-Step model

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Multi-channel, 2.4 GHz wireless receiver
51.5mm x 18mm USB stick, AES 128-bit encryption (optional)
AS200509 Datasheet
AS200509 3D-Step model

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Our digital indicators use Liquid Crystal Display (LCD), Light-Emitting Diode (LED) and Vacuum Fluorescent Display (VFD) component technologies. These are available in a wide range of colours, sizes, electrical and mechanical features depending on the end application. Most of our indicator modules are tailor-made for a specific application and customer. We do, however, also offer standard LCD indicator modules in various digit sizes and forms (portable or panel mount), that support load-cell applications.

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We are currently designing several new modules to support various other sensor signal types (Pulse, Frequency, Temperature, Voltage, Current, PWM, Potentiometer and Incremental Encoders) as well as incorporating wireless technology.

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If you require help selecting a suitable display or require a custom solution, please give us a call!

Portable Load-Cell LCD Indicator
68mm x 96mm board, 4.5 digits, battery operated
AS020 Datasheet
AS020 Manual
AS020 3D-Step model

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Portable Load-Cell LCD Indicator
116mm x 96mm board, large 4.5 digits, battery operated
AS021 Datasheet
AS021 Manual
AS021 3D-Step model

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Portable Wireless Load-Cell LCD Indicator
2.4 GHz, int./ext. antenna, 4.5 digits, 750m range
Coming soon

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Portable Wireless Load-Cell LCD Indicator
2.4 GHz, int./ext. antenna, large 4.5 digits, 750m range
Coming soon

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Panel Load-Cell LCD Indicator
compact board, 4.5 digits, RGB backlight, relay outputs, RS232 interface
Coming soon

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Wireless Panel Load-Cell LCD Indicator
2.4 GHz, int./ext. antenna, 4.5 digits, 750m range
AS022-DIS-WL Datasheet
AS022-DIS-WL 3D-Step model

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The AS600 simulator / calibrator series simulate any type of bridge transducer commonly used, for example, in load cells, strain guages, pressure sensors, extensometers and many other sensors. The dual attenuator network gives a symmetrical output simulating a full active bridge sensor and can be switched to give a positive, zero and negative output. They can be used for a whole range of purposes including transducer testing, amplifier calibration, fault-finding, system commissioning and R&D. They are mounted in an IP54 aluminium die-cast box providing durability in either laboratory or field environments.

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Customer-specific bridge resistance ranges and outputs are possible, as well as company name printed on enclosure lid. Please contact us with your individual requirements.

0mV/V - 3.0mV/V, 0.01% Tolerance
120R - 1000R
AS600-Series Datasheet

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0mV/V - 1.0mV/V, 0.01% Tolerance
120R - 2000R
AS600-Series Datasheet

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0mV/V - 3.0mV/V, 0.01% Tolerance
350R - 8000R
AS600-Series Datasheet

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0mV/V - 5mV/V, 0.01% Tolerance
120R - 1000R
AS600-Series Datasheet

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0mV/V - 50mV/V, 0.01% Tolerance
120R - 1000R
Coming soon

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We are a newly formed company founded in May 2018 after acquiring Asset Instruments Ltd from John Street, bringing together over 30 years expertise in the design, development, in-house assembly and support of ODM (Original Design Manufacturer) instrumentation products, supplying manufacturers of load cells, strain gauges, pressure sensors, hydrostatic transmitters and many other transducer manufacturers with a wide range of products to integrate into their products and systems. We also offer OEM electronic manufacturing services according to your own design and requirements, ranging from component procurement, SMD- and THT-board assembly, CPLD- / microcontroller programming, cable/wiring assembly, mechanical assembly, product functionality testing and packaging, certified according to ISO 9001:2015.

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If you require a completely new unique product or a variation of an existing product, we are very happy to design and manufacture this for you. The non-recurring engineering costs (for development and prototyping) can be amortized across one or more series builds of the product. Alternatively, you can purchase the complete engineering CAE-files and manufacturing CAM-files for an agreed one-off price.

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Please call us - we are here to help!

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