PEWATRON AG - Breaking News

SENSOR+TEST 2013

Mon, 06 May 2013 00:00:00 +0200

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New pressure sensor line from PEWATRON

Mon, 29 Apr 2013 15:23:00 +0200

To have a substantial contribution to the conversation in applications with aggressive media, PEWATRON has recently added stainless steel silicon and capacitive ceramic sensors to its product line. These sensors measure extremely low pressures from 0…12 mbar up to 0…60 bar. They are available with or without an amplifier and with digital or analogue outputs. In the KKD34 capacitive ceramic sensors, the measurement range can even be trimmed to up to 10:1 using the interface. Different precision categories are available depending on the measuring range and sensor technology. Production in Europe guarantees short delivery times and allows us to implement special needs quickly.


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KKD34-701 capacitive ceramic pressure sensor

Mon, 29 Apr 2013 15:23:00 +0200

This new capacitive pressure sensor handles measurements in the range of 0 - 60 mbar and can be trimmed electronically to 0 - 12 mbar. In addition to this measurement range, it is also possible to make corrections to account for effects arising during assembly by means of an integrated interface. Parameterisation is accomplished with a Windows-compatible, menu-driven kit. The largest range – both absolute and relative measurements are possible – is 0 - 20 bar, and this can be reduced to <10:1. Various voltage and current output signals can be selected. The KKD34-701 has a diameter of 34 mm and can optionally be ordered with Ex partial approvals according to IBExU 08 ATEX 1062 U Zone 0:ll 1G Ex la llC T4. The standard membrane is 96% Al2O3 and can also be delivered at 99.9% for oxygen applications up to 1 mbar, for instance. Depending on the temperature or other requirements, the sensors are available with various O-rings. Thanks to its robust properties, this sensor is well suited for hydrostatic level measurements and for aggressive media such as acids and alkaline solutions.

View datasheet

Combined angular rate & acceleration sensor: Orion

Mon, 29 Apr 2013 15:23:00 +0200

Orion offers single axis angular rate and dual axis linear acceleration measurement comprising two discrete MEMS sensing devices with a dedicated control ASIC in a small ceramic LCC surface mount package. Developed specifically to satisfy the high performance safety critical demands of the automotive domain Orion applications include: Electronic Stability Control, Roll Detection, Vehicle Dynamics Measurement and Advanced Driver Assistance Systems (ADAS). Enabling safety integrity level ASIL-D (ISO26262) when appropriately installed in a host system and AEC Q100 tested, Orion offers the highest levels of reliability in the most stringent of automotive applications. With proven and robust MEMS vibrating ring gyro and dual-axis accelerometer technology in a small package size of just 10.4x6.0x2.2 mm Orion features excellent bias over temperature of 1.75°/s, 30mg, unrivalled scale factor performance and a low power consumption of just 8 mA from a 3.3 V supply. Orion offers two package styles: the CMS300 (flat) and the CMS390 (orthogonal) and is available in a number of user-configurable dynamic ranges and bandwidths. Evaluation boards for both parts are available to order.

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Incremental Sin/Cos Encoder ES53

Mon, 29 Apr 2013 15:23:00 +0200

PEWATRON announces ELTRA’s new ES53 sinusoidal encoder. It detects position information by providing a pair of quadrature sine and cosine signals as the shaft is rotated. The optically generated signals produce 2,048 cycles per mechanical revolution. For noise immunity the signals are transmitted differentially from the encoder to the sensor interface electronic. After Power-up, the initial position of the rotor can be derived from a 360° additional sine/cosine. Thanks to the 1 Vpp sine/cosine interface, the ES53 is compatible with drive converters available in the market as required for the fine positioning of drives and servo-drive systems in industrial applications providing a high accuracy, improved drive running characteristic. Features:

Simple mounting
2,048 Sin/Cos cycles per revolution (CPR)
Additional Sin/Cos for initial position
Differential output
Straight blind hollow or taper solid shaft
Index channel available
-20 to +110°C operating temperature

View datasheet

Contactless magnetic incremental encoder family EMI

Mon, 08 Apr 2013 15:23:00 +0200

Pewatron announces ELTRA’s new EMI family of contactless incremental encoders. Using an external magnet, this encoder is perfectly suited for applications where a high level of dust or water protection is needed. The encoder is available in a small 22 mm housing (EMI22) as well as in a standard industrial 55 mm housing (EMI55). Main characteristics:

High temperature range -40 °C up to +125 °C
IP68/IP67 protection rating
High operation speed up to 10’000 rpm
Up to 2048 CPR
Power supply: 5 VDC for EMI22, 5-28 VDC for EMI55

The encoder has an excellent mechanical sturdiness. His magnet was designed for very easy mounting onto the motor shaft. Main applications include electric motors marine industry, iron and steel industry, textile machines, woodworking, paper-working, glass working, marble-working machinery and, more generally, automation and process control fields. Absolute encoder variants are also available in the same housing with external magnet:

EMA family with RS422 SSI outputs up to 13 bits resolution
EMS family with 1 Vpp Sine/Cosine output

View datasheet

New Inclinometer DOG2 with fast response time & integrated filters

Mon, 08 Apr 2013 15:23:00 +0200

PEWATRON announces the new DOG Series Dual- and Single-Axis Inclinometer from MEAS Germany. DOG2 is a dynamic, low cost, high performing dual axis inclinometer. It is perfectly suited for levelling and tilt monitoring applications with highest demands on accurate measurement in harsh environments (e.g. temperature, shock, humidity). Based on a 3-axis MEMS accelerometer, the DOG2 Series are available in standard measurement ranges of ±25°, ±45° and ±90°. DOG1 is the single axis version with a 180° linear measurement range, and exceptionally low cross-axis sensitivity. All versions operate on a low current (10 mA) +8.0 to +30 VDC input voltage, and deliver a +0.5 to +4.5 VDC output over the operating range. The rugged packaging of the DOG Series makes it ideal for automotive, off-road and harsh industrial environments. Rated at IP-67, the high strength/abrasion resistant PA66 plastic housing is compatible with oils, fuel and lubricants, and provides excellent thermal stability. Compression limiting bushings prevent mechanical damage during installation, while the integral 0.45 m cable terminates to an AMP Superseal 1.5 Series connector for reliable electrical connection. The sensor element itself has a shock survival up to 10,000 g. To achieve best possible performance, the DOG Series utilizes advanced digital signal processing techniques. Each inclinometer is individually calibrated and temperature compensated. At 25 °C, errors are less than 0.15° over the full angular measurement range. Over the full operating temperature range of -40 °C to +85 °C, absolute accuracy is typically less than 0.5°. An additional feature is the ability to adjust the digital filtering algorithm to optimize performance in high vibration environments. This feature, combined with the internal 12 bit A/D conversion and oversampling routine make accurate, high resolution measurements possible at frequencies as high as 100 Hz. Alternatively, models DOGx-USB are provided with an USB Interface and software for easy connection to a PC. Experienced users can change the filter parameters, in order to optimize the sensor in noisy custom applications, e.g. strong vibrations. These filter parameters can then be ported to the definitive customized device with analog interface.

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10mm range contactless linear hall effect sensor LP-10HA (Kopie 1)

Mon, 18 Mar 2013 15:23:00 +0100

PEWATRON announces MIDORI’s new small range linear hall effect sensor LP-10HA. The model is especially suited for short stroke actuators in an environment with high vibration and dither movements. A broad temperature range of -40 up to +100°C makes it well suited for mobile applications Main features:

10mm range with absolute linearity of +/-0.016mm
IP65 on rear side
Built-in back spring

Applications:

Valve position
Forklift electrical power steering or lift position

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Latest generation of high resolution digital pressure sensors

Mon, 18 Mar 2013 15:23:00 +0100

The MS4525HRD is a new generation of high resolution digital pressure sensors from MEAS with SPI and I2C bus interface. The sensor module includes a high linearity pressure sensor and an ultra low power 24-bit ?? ADC with internal factory calibrated coefficients. It provides a precise digital 24-bit pressure and temperature value and different operation modes that allow the user to optimize for conversion speed and current consumption. A high resolution temperature output allows the implementation of a thermometer function without any additional sensor. The MS4525HRD can be interfaced to virtually any microcontroller. The communication protocol is simple, without the need of programming internal registers in the device. Measuring ranges form 0…5 mbar up to 0…10 bar. The sensors are used in many different industrial applications. View datasheet

KMA36 System-on-Chip for rotational linear position measurement

Sun, 17 Mar 2013 15:23:00 +0100

PEWATRON launches the KMA36 universal magnetic encoder from Measurement Specialties. It seamlessly combines a magnetoresistive sensor array with an analog-to-digital converter and a signal processor in a compact TSSOP package. Using an Anisotropic Magneto Resistive (AMR) technology, the contactless sensor measures the incremental positions along a 5 mm linear magnetic pole strip and magnetic field angle of an external magnet in a 360° rotation. Data communication, configuration and analog signal output and can be easily accessed through TSSOP pins. Featuring a self-diagnostic sequence at power-on, the software allows the electronic circuit to be tested prior to integrating it into the assembly as well as during field use. It also signals failures and faults to the system it interfaces with. The KMA36 universal magnetic encoder offers a very high 13-bit resolution, and was designed to replace the less precise Hall-effect position sensors which are susceptible to external noise. These devices will also be the sensor of choice for low-power applications. The KMA36 features a sleep and low power mode (1.2mA only) as well as an automatic wake-up in I2C mode. Position data can be transmitted using two-wire (SCL, SDA) communication bus or PWM. The sensors can withstand temperature changes, dirt, dust and similar contaminants. Primary applications include engine and vehicle environments, harsh industrial uses, machine tools, control of handling machines, motor motion and robotics. They can also be used in selected laboratory, medical and conveyor instrumentation. Customized solutions can be provided. Evaluation boards are available with short lead-times. Features:

Contactless Absolute 360° (180°) angle measurement
Incremental and linear mode
Standard I2C Interface (100 kHz)
Programmable resolution up to 13 bit (0.04 degree)
Very low hysteresis
High accuracy mode
User-programmable parameters
Low power mode
Sleep and automatic wake-up over I2C
Programmable zero position
Device address hardware configurable
Small Pb-Free package (TSSOP20)

View datasheet