JH Technology, Inc.

DIN Rail Temperature Transmitters offer 1 ms response.
Electrical Equipment & Systems

DIN Rail Temperature Transmitters offer 1 ms response.

With Option HS offering 1 ms response time, JH5000 Series is suited for some experimental and test applications, including combustion studies, solar studies, and some wind tunnel tests. All-analog design uses precision linear optocouplerÂ- to provide galvanic input isolation and avoids processing delay inherent in most microprocessor approaches. Option is also available for DC,...

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DC to Frequency Converters offer variety of options.
Agricultural & Farming Products

DC to Frequency Converters offer variety of options.

Models JH7500/JH7501 plug into standard relay sockets and feature I/O isolation as well as AC or DC power options. Model JH7500 offers output ranges to 10 kHz, and Model JH7501 has relay contact output for electromechanical counters (FS pulse rates can be as low as 1.25 pulses/min). Range of input choices includes standard process signals such as 0-5 V, 0-10 V, 4-20 mA, and 0-1 mAdc as well as...

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Pulse Conditioner suits power monitoring applications.
Communication Systems & Equipment

Pulse Conditioner suits power monitoring applications.

Equipped with 2 inputs, Model JH2376 accepts waveforms as low as 20 mV peak-to-peak or as high as 250 Vrms, and transforms them to fully isolated 5 V logic output pulses. Unit's low level input amplifies and conditions millivolt tachometer and turbine signals, while high input safely isolates and monitors power and variable frequency drive waveforms. Available with 115 or 230 Vac power options,...

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Process Transmitters offer millisecond response.
Electrical Equipment & Systems

Process Transmitters offer millisecond response.

With high-speed Option HS, DIN-rail mount JH5000 Series provides 95% complete response in 1 ms. Transmitters offer variety of input styles, including DC, thermocouple, RTD, strain gauge/load cell, and potentiometer/resistance. Equipped with input/output isolation, quick-check output LEDs, and unpluggable terminals, units support math functions such as add/subtract, multiply/divide, and square...

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Pulse Amplifier suits tachometer/turbine flowmeter systems.
Communication Systems & Equipment

Pulse Amplifier suits tachometer/turbine flowmeter systems.

Designed for use with magnetic-coil pickups, JH376 Pulse Amplifier is DIN-rail mount device that includes 2 channels in 0.7 in. wide housing. Responding to pulses as low as 20 mV peak-to-peak, it offers built-in adjustment allowing sensitivity reductions up to 10:1, while input filtering and hysteresis also minimize interference. Jumpers allow selection of 5 V logic or open-collector output...

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Communication Systems & Equipment

'Modified Standard Products' Fill Navy Test Needs

The US Naval Air Warfare Center, Lakehurst, NJ, tests and certifies large steam cylinders and valves used to power airplane launch "catapults" on aircraft carriers. Test requirements include, among other things, monitoring several temperature points. The system designers needed both local indication and signal retransmission of several RTD (resistance temperature sensor) temperature measurements....

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Small Control Systems fulfill one-time need.
Agricultural & Farming Products

Small Control Systems fulfill one-time need.

Supplied as custom solutions for unique application requirements, Minisystems use instruments and controls - company's own or others - to meet needs that single instrument cannot handle. Some may provide packaging change, while others might combine one or more signal conditioners with display, controller, relay, SCR, or pushbuttons to create stand-alone system. Designs have been housed in NEMA,...

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Field-Mount Isolator includes process display.
Agricultural & Farming Products

Field-Mount Isolator includes process display.

Model FDT5000 provides on-site display, isolation, and conversion of 4-20 mA loops and other process signals. Unit features 1,000 V isolation and 24 V output compliance, making is suitable for solving ground problems, increasing loop drive, or splitting signals between 2 isolated loops. Housed in NEMA-4x splash-proof, corrosion-resistant enclosure, conformal-coated circuit boards provide...

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Frequency Transmitters come in rangeable and fixed range models.
Electrical Equipment & Systems

Frequency Transmitters come in rangeable and fixed range models.

Rangeable Model JH7580 Frequency to DC Transmitter compliments fixed-range Model JH7010. Inputs run from 10 Hz to 100 kHz with voltages from 50 mV to 700 V peak-to-peak. Output ranges may be as low as 0/1 V or as high as -10/+10 Vdc. Current choices range from 0/1 to 0/25 mA and include 4/20 mA. Transmitters feature built-in pull-up resistor for open-collector or contact-closure inputs and 18 Vdc...

Read More »
DIN Rail Temperature Transmitters offer 1 ms response.
Electrical Equipment & Systems

DIN Rail Temperature Transmitters offer 1 ms response.

With Option HS offering 1 ms response time, JH5000 Series is suited for some experimental and test applications, including combustion studies, solar studies, and some wind tunnel tests. All-analog design uses precision linear optocouplerÂ- to provide galvanic input isolation and avoids processing delay inherent in most microprocessor approaches. Option is also available for DC,...

Read More »
DC to Frequency Converters offer variety of options.
Agricultural & Farming Products

DC to Frequency Converters offer variety of options.

Models JH7500/JH7501 plug into standard relay sockets and feature I/O isolation as well as AC or DC power options. Model JH7500 offers output ranges to 10 kHz, and Model JH7501 has relay contact output for electromechanical counters (FS pulse rates can be as low as 1.25 pulses/min). Range of input choices includes standard process signals such as 0-5 V, 0-10 V, 4-20 mA, and 0-1 mAdc as well as...

Read More »
Pulse Conditioner suits power monitoring applications.
Communication Systems & Equipment

Pulse Conditioner suits power monitoring applications.

Equipped with 2 inputs, Model JH2376 accepts waveforms as low as 20 mV peak-to-peak or as high as 250 Vrms, and transforms them to fully isolated 5 V logic output pulses. Unit's low level input amplifies and conditions millivolt tachometer and turbine signals, while high input safely isolates and monitors power and variable frequency drive waveforms. Available with 115 or 230 Vac power options,...

Read More »
Process Transmitters offer millisecond response.
Electrical Equipment & Systems

Process Transmitters offer millisecond response.

With high-speed Option HS, DIN-rail mount JH5000 Series provides 95% complete response in 1 ms. Transmitters offer variety of input styles, including DC, thermocouple, RTD, strain gauge/load cell, and potentiometer/resistance. Equipped with input/output isolation, quick-check output LEDs, and unpluggable terminals, units support math functions such as add/subtract, multiply/divide, and square...

Read More »
Pulse Amplifier suits tachometer/turbine flowmeter systems.
Communication Systems & Equipment

Pulse Amplifier suits tachometer/turbine flowmeter systems.

Designed for use with magnetic-coil pickups, JH376 Pulse Amplifier is DIN-rail mount device that includes 2 channels in 0.7 in. wide housing. Responding to pulses as low as 20 mV peak-to-peak, it offers built-in adjustment allowing sensitivity reductions up to 10:1, while input filtering and hysteresis also minimize interference. Jumpers allow selection of 5 V logic or open-collector output...

Read More »
Communication Systems & Equipment

'Modified Standard Products' Fill Navy Test Needs

The US Naval Air Warfare Center, Lakehurst, NJ, tests and certifies large steam cylinders and valves used to power airplane launch "catapults" on aircraft carriers. Test requirements include, among other things, monitoring several temperature points. The system designers needed both local indication and signal retransmission of several RTD (resistance temperature sensor) temperature measurements....

Read More »
Small Control Systems fulfill one-time need.
Agricultural & Farming Products

Small Control Systems fulfill one-time need.

Supplied as custom solutions for unique application requirements, Minisystems use instruments and controls - company's own or others - to meet needs that single instrument cannot handle. Some may provide packaging change, while others might combine one or more signal conditioners with display, controller, relay, SCR, or pushbuttons to create stand-alone system. Designs have been housed in NEMA,...

Read More »
Field-Mount Isolator includes process display.
Agricultural & Farming Products

Field-Mount Isolator includes process display.

Model FDT5000 provides on-site display, isolation, and conversion of 4-20 mA loops and other process signals. Unit features 1,000 V isolation and 24 V output compliance, making is suitable for solving ground problems, increasing loop drive, or splitting signals between 2 isolated loops. Housed in NEMA-4x splash-proof, corrosion-resistant enclosure, conformal-coated circuit boards provide...

Read More »
Frequency Transmitters come in rangeable and fixed range models.
Electrical Equipment & Systems

Frequency Transmitters come in rangeable and fixed range models.

Rangeable Model JH7580 Frequency to DC Transmitter compliments fixed-range Model JH7010. Inputs run from 10 Hz to 100 kHz with voltages from 50 mV to 700 V peak-to-peak. Output ranges may be as low as 0/1 V or as high as -10/+10 Vdc. Current choices range from 0/1 to 0/25 mA and include 4/20 mA. Transmitters feature built-in pull-up resistor for open-collector or contact-closure inputs and 18 Vdc...

Read More »

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