Accurate Weak Current & Ignition Pulse Measurement with Clamp Sensors

The following inquiries are increasing

An increasing demand for high-speed, high-accuracy detection and measurement of weak currents (such as instrumentation signals of equipment and ignition pulses of engines).
The combination of a high-precision clamp-type sensor and our measuring instruments makes it possible to detect and measure currents easily, accurately, and with a fast response time.

To accurately measure engine RPM with weak current pulses for ignition.
When detecting with a car's cigarette lighter socket, there are cases where measurement cannot be done properly due to noise.
Detection using the OBD2 connector may cause an error mode or adversely affect engine control.
With the increasing use of direct ignition with built-in igniters and coils without plug cords, it is necessary to measure weak pulse currents with high accuracy.
Accurate detection and measurement of equipment instrumentation signals is needed.
Want to detect and measure easily with less work.

Measurement image

ENGINE, MOTOR	Ignition Pulse of Direct Ignition	Panel meter Signal converter Distributer	→ Voltage output Current output Alarm output CAN RS-485 etc.
	Ignition current between distributor and plug, coil and battery


	POINT!
	Variable trigger level function	Adjustment to match the ignition signal

	Low-pass filter	Measure without being affected by noise

*Confirmation of operation for each application is required for actual use. Please contact us for details.

Other examples of current measurement

Detection of field currents in motors

Aging detection of solenoid-based electrical equipment

Detection of leakage current and instrumentation signals in equipment

Selection Points

Clamp type sensor
- Non-contact clamp type: Easy sensor installation and no modification to the measurement target (e.g., cables, etc.) is required.
- Compact and lightweight: Easy installation in confined spaces such as engine rooms and inside panels.
- High-precision sensing of weak direct current

Measuring instrument
- Variable trigger level function: Can be adjusted to match the ignition signal (SPD/SPDL)
- Low-pass filter: Enables measurement without being affected by noise (SPD/SPDL)
- Analog output for 0.5ms (TDP-49), 0.1ms (SPD), 1ms (PSV), 40ms (SPDL/PSVL) updates
- CAN communication with 1ms (SPD/PSV) and 40ms (SPDL/PSVL) updates
- Periomatic™ calculation method (TDP, SPD, SPDL) for high accuracy and fast response even at very low speeds
- Factory setting of measuring instruments and creation of setting value table are also available

Products

	Points	Overviews
TDP-4921/TDP-4931 Speedmeter Product page	RS-485 RS-232C Analog output Alarm output BCD output LINKSHIP support	- 16bit analog output with 0.5ms update - Various options such as RS-232C/RS-485/BCD output - Up to 4 alarm outputs can be mounted - Power supply for sensor 12V(standard)/5V(option) - 48x96 size panel meter with scaling function
SPD-4801 Speedmeter/Counter [switchable] Product page	RS-485 Modbus CAN Analog output Alarm output Zero shift Span shift Count Stop/Start LINKSHIP support	- 48x96 size speed/totalizer [switchable] for frequency meter, tachometer, flowmeter, speed meter, totalizer, etc. - Simultaneous output of 16-bit analog output with 0.1ms update and CAN with 1ms update - Logging/setting via USB - Trigger level, hysteresis, pull-up, and low-pass filter can be adjusted and set - Power supply for sensor 12V/5V (optional) - Compatible with LINKSHIP (COCORESEARCH's measurement management software: free of charge)
SPD-2401 Speedmeter/Counter [switchable] Product page SPDL-2401 (Low-priced version) Product page	RS-485 Modbus CAN Analog output Alarm output Zero shift Span shift Count Stop/Start LINKSHIP support	- 24x48 size speed/totalizer [switchable] for frequency meter, tachometer, flowmeter, speed meter, totalizer, etc. - Simultaneous output of 16-bit analog output with 0.1ms update and CAN with 1ms update. (SPDL outputs 40ms updates for both analog output and CAN) - Logging, setting, and power supply available via USB - Trigger level, hysteresis, pull-up, and low-pass filter can be adjusted and set - Power supply for sensor 12V/5V (optional) - Compatible with LINKSHIP (COCORESEARCH's measurement management software: free of charge)
SPD-HD Pocketable [Handy] Speedmeter/Counter [switchable] Product page	RS-485 Modbus CAN Analog output Alarm output Zero shift Span shift Count Stop/Start LINKSHIP support	- Speed/totalizer [switchable] for frequency meter, tachometer, flowmeter, speed meter, totalizer, etc. - Handy type for on-site use such as shipping/performance inspection, equipment inspection, operation check, etc. - Simultaneous 16-bit analog output (0.1 ms) and CAN output (1 ms) - Supports 2-way power supply (alkaline battery/AC adapter) - Adjustable trigger level, hysteresis, pull-up, and low-pass filter settings - 12V/5V power supply for sensors (depending on connector type) - Supports "LINKSHIP" for logging/setting via USB - Flexible connectors such as unique retractable BNC and terminal block
PSV-2401 DC voltmeter Product page PSVL-2401 (Low-priced version) Product page	RS-485 Modbus CAN Analog output Alarm output LINKSHIP support	- 24x48 size DC voltmeter with 12 measurement ranges to choose from. Process signal model also available. - Simultaneous 16-bit analog output with 1ms update and CAN output are available. (PSVL has 40ms update for both analog output and CAN) - Logging, setting, and power supply available via USB - Compatible with LINKSHIP (COCORESEARCH's measurement management software: free of charge)

Picsor series of clamp-type sensors (weak current, pulse, etc.) that combine high accuracy and ease of use

We also support the selection of sensors and measuring instruments that meet your facility specifications. Please feel free to contact us.

Products	Points	Overviews
Picsor Series Clamp type sensor Product page *Go to Taiyo Kogyo Corporation Web page		Non-contact sensing of weak current Easy installation by clamp type Compact and lightweight: Sensor size 17mm x 19.5mm x 45mm (case), approx. 45g

Products

Points

Overviews

Picsor Series
Clamp type sensor

Product page

*Go to Taiyo Kogyo Corporation Web page

Non-contact sensing of weak current

Easy installation by clamp type

Compact and lightweight: Sensor size 17mm x 19.5mm x 45mm (case), approx. 45g

Applications

Easy and accurate current measurement with clamp type sensors