Pro Tech Monitoring Private Ltd Hari Nagar, Delhi

TR series vibration transmitter uses advanced LSI technology that integrate the signal conditioning, processing and outputting circuitry into one integral unit. It can directly replace the probe driver and connect to the proximity probe and extension cable, converting the signal to a 4-20 mA output. Buffered dynamic output is available for additional analysis.

Velocity is the preferred measurement for most rotating machines with rolling element bearings and the TM016 is a precision solid state loop powered sensor that measures velocity vibration levels and provides a 4-20mA output proportional to the overall vibration level. The 4-20mA velocity output is interfaced into a PLC, DCS or other 4-20mA input devices.

A temperature transmitter is an electrical instrument that interfaces a temperature sensor (e.g. thermocouple, RTD, or thermistor) to a measurement or control device (e.g. PLC, DCS, PC, loop controller, data logger, display, recorder, etc.). Typically, temperature transmitters isolate, amplify, filter noise, linearize, and convert the input signal from the sensor then send (transmit) a standardized output signal to the control device. Common electrical output signals used in manufacturing plants are 4-20mA or 0-10V DC ranges. For example, 4mA could represent 0°C and 20mA means 100°C.

Maintaining the specified temperature range ensures maximum efficiency, longer equipment life and user safety. Temperature gauges are ideal for most the rugged industrial applications, These offering bimetal thermometers with hermetically-sealed cases to prevent damage from the weather and dust, as well as gas actuated models with remote reading dials.

RTDs - or Resistance Temperature Detectors - are temperature sensors that contain a resistor that changes resistance value as its temperature changes. They have been used for many years to measure temperature in laboratory and industrial processes, and have developed a reputation for accuracy, repeatability, and stability.

The Reverse speed monitor uses specially designed sensors to detect direction of rotation of equipment. RRM actuates a relay contact when equipment shaft rotes in reverse direction. Using contacts of this relay desired control action such as alarm, trip can be achieved. The model with digital display facility normally indicates actual speed of the equipment as well as direction of rotation.

The PPT-080 and PPT-110 Proximity Probe Transmitters are used for non-contact measurements of shaft vibration measurements. Each system consists of a probe, extension cable, and a driver. The PPT series proximity probe systems are designed to meet API 670 standards. The voltage output is directly proportional to the measured distance between the metallic target and the sensor face.

Feature : Design for long life cycles and harsh environments and High resistivity to corrosive environments

The PMS-300 Process Monitoring System has been designed to be modular and flexible in rack-based design to suit most requirements for protection and monitoring of critical machinery. The system offers two (2) reference and up to 64 sensor inputs. The integrated BNC terminals on the front provides raw signal for external analysis. Various predefined Software applications are available for each individual module for protection and monitoring of the following parameters:

Feature : 1x 4-20mA output per Channel , Raw signal output on BNC for external analysis on front per channel

The most common and useful industrial pressure measuring instrument is the differential pressure transmitter. This equipment will sense the difference in pressure between two ports and produce an output signal with reference to a calibrated pressure range.

A pressure switch is a form of switch that closes an electrical contact when a certain set pressure has been reached on its input. The switch may be designed to make contact either on pressure rise or on pressure fall.

Instruments used to measure pressure are called pressure gauges or vacuum gauges. A pressure gauge is used to measure the pressure in a vacuumline—which is further divided into two subcategories: high and low pressure. The applicable pressure ranges of many of the techniques used to measure vacuums have an overlap. .

Portable Shaker combines sine signal generator, power amplifier, standard transducer and a shaker in one and features a small volume, high accuracy and easy operation. It can be used either in laboratory or on site.

The PCM370 plant condition management system collects, stores, analyzes and distributes machinery status monitoring information to a local network or wide area network (over the Internet). The PCM370 obtains status data of critical machinery as well as balance of plant equipment. All of ProvibTech's digital monitoring systems are quickly and easily integrated into the PCM370 system, as well as devices from other manufacturers' which communicate via Modbus. Besides the vibration monitoring data, the PCM370 is also capable of collecting numerous process variables such as: voltage inputs, current inputs, RTDs, thermocouples, discrete inputs and Modbus.

The PCA-100 charge amplifier converts the charge-based signal from a piezoelectric transducer into a current or a voltage signal. This current or voltage signal is transmitted to the processing electronics via a standard 2-wire or 3-wire transmission cable. The current modulation technique allows transmission over a distance of up to 1 km. A galvanic separation unit is required for this configuration . The electronic circuitry of the PCA-100 signal conditioner is incor-porated into an aluminium enclosure. The charge amplifier provides high-pass and low-pass filters and an optional integrator to give a velocity output. Fur-thermore, RFI filters protect the input and output against radio-frequency interferences and other elec-tromagnetic influences.

Feature : Frequency range: 0.5 Hz to 20 kHz (-3dB) , Dynamic signal output mV/g, mV/bar, mV/psi and CE certified

The hermetic sealed industrial piezoelectric accelerometer PAS-101 is designed to monitor the vibration in harsh industrial environment. It uses the industry standard ®ICP 2-wire voltage transmission technic with a 4 mA minimum constant current supply. Signal ground is isolated from the mounting surface and outer case to prevent ground loops. Faraday shielding will limit sensitivity to ESD to a minimum. Annular shear mode design prevents from thermal transient and from spurious signal from high transverse vibrations. Low noise electronic and temperature compensated design will ensure accurate results over the complete temperature range. The sensor provides a voltage output proportional to the vibration acceleration across the two transmission wires. The DC standing voltage is used for OK detection and the dynamic voltage for vibration monitoring.

he partial discharge monitoring and analysis system with a true color LCD display showing all the necessary information for the commissioning and surveillance of high voltage rotating machines. The noise gating channel and variable LP Filter allows to separate noise from the pd signals. The TMSshows locally actual partial discharge level for every individual channel (phase) on a bargraph, Realtime Partial Discharge Activities in Oscilloscope View as well as a colorised phase resolved partial discharge pattern. The touch functionality of the LCD display allows to parametrise, store and visualise the partial discharge signals without the use of any computer. Up to 16 TMS can be connected to the central database server TMS-2000 to store continuously trendparameters as well as partial discharge measurement results as Phase Resolved Partial Discharge Pattern, 3 Phase Time Relation pattern, Pulse Height Distribution etc. Eight 4- 20mA input channels allows to record machine operation conditions as MW, MVA, temperatures etc. together with the partial discharge results. The Modbus RTU interface allows an easy integration into the exisiting SCADADCS system. One 4-20mA and one Relay Contact per channel group (4) are available. This make the TMS the ideal cost effective partial discharge monitoring and analysis system for permanent installation.

Feature : PD Acquisition according to IEC60270 , High Resolution PRPD Pattern

The 1000pF coupling capacitor is a sensor used for online and offline partial discharge measurements on rotating machines. The sensor will be usually installed at the busbar or on the high voltage terminals of the rotating machine. Permanent or temporary partial discharge detectors analyzers can be connected via standard RG58 BNC cables to the coupler, usually by using a termination and safety box in between.

Feature : Nominal Voltage 17.5kVrms , Build in Overvoltage Protection

The PT500 Mechanical Vibration Switch provides an economical solution for basic vibration monitoring of a wide variety of rotating and reciprocating equipment. Its reliable vibration sensing mechanism actuates a set of internal contacts when vibration levels exceed the adjustable set point.

Specialities : Universal mounting plates and studs , Local and remote reset

The very thin sensor’s head design allows mounting in the air gap of generators and electrical motors. A novel sensor chip in the probe entirely eliminates influences from DC magnetic field components other than the one measured (Y-axis), so that even for strong nonuniform fields no planar Hall effect leads to errors in the output voltage. The transducer consists of a sensor’s head with integral flexible cable of 10 meters connected to a conditioning unit.

Feature : Excellent accuracy , Immune to deposits and vibrations

The M3 version is equivalent to the standard version except it is equipped with a push-pull connector, so the extension cable can be detached during installation. The LVS sensors operate in accordance with the electrodynamic principle and are used for measuring the bearing absolute vibration of the machines.The sensing element of the sensor is a coil supporting by high precision springs moving around a permanent magnet which produces a voltage directly proportional to the vibration velocity. By design, the sensor has an excellent sensitivity and linearity down to very low vibration levels. The built-in electronics allows the sensor to accurately monitor vibration frequency down to 0.5Hz below its natural frequency. Horizontal and vertical model of sensors are available. The sensor provides two voltage outputs proportional to the vibration velocity

The sensor is designed with integrated linearization electronic in order to ensure excellent linearity and active temperature compensation. The built-in oscillator tuned above 750kHz ensures measurement with minimal magnetic run out effect. The PPT-280 can be used either for measurement between 0.2mm and 2.2mm or 0.2mm and 4.2mm. The voltage output is directly proportional to the measured distance between the metal target and the sensor tip. The sensor can be powered either with -24V or +24V depending on configuration or ordering code. The embedded sensor head is resistant to shock. The sealed body is resistant to oil and water on both sides of the sensor. Optional configuration kit (software, cable and USB adapter) allows to setup measuring range, power supply type (+24V or –24V) and target material and to perform on-site recalibration.

Feature : Designed for long life cycles and harsh environments , Active temperature compensation

Flow transmitters are electromagnetic precision meters used to measure the volumetric flow rate of electrically conductive liquids. Flow transmitter is having sensors with an electrical transmission output for remote indication of flow rate.

Flow switches are rugged, robust and reliable for usage in harsh and hazardous environments. Flow switches are designed to detect various flow rates in industrial process lines and activate an alarm or pump. Flow switch is having sensor with an electrical contact output at a specific flow rate.

Flow indicator is remote flow indicators and controllers for use with flow transmitters. Flow indicators provide quick, reliable and economical way to verity fluid flows through industrial process lines.

All ProvibTech's monitors and transmitters can quickly and easily be integrated to upload machine status and its dynamic data to the PCM360. The PCM360 obtains both critical machinery running status and balance of plant running status. Additionally, the PCM360 collects process data as 4-20mA input or digital monitor input via Modbus, etc. The PCM360 provides an integrated system solution for asset management resulting in a total solution for machine maintenance and protection.