HIOKI Functional Units for the MR Series Memory Recorders

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HIOKI Functional Units for the MR Series Memory Recorders

Most of the HIOKO memory recorders have a high flexibility due to a modular design. Each recorder consits of a main unit that forms the framework for the system (depending on the model eg. with display, PC communication interfaces, storage meory options etc.). It offers several slots that can be equipped with functional I/O units. These I/O modules define the I/O channels of the system and with this determin the measurement functions. Several units can be combined to offer exactly the channels required for individual applications.

Note, that not all modules can be used in all man units. Moreover, in some devices certain combinations of units may be not supported (see datasheets for detailed information).

HIOKI U8976, 8966, U8975, U8978, 8968, 8972, U8974 General Voltage Modules

Measured signalModelDescriptionCompatible withNumber of channelsFastest samplingBandwidthA/D resolutionDC accuracy (f.s.)Max. input voltageSensitivity1)Max. sensitivity range (f.s.)IsolationSupplement
Voltage (high speed)U8976High-speed analog unitMR60002200 MS/sDC...30 MHz12 bit±0.5%400 VDC, 1000 VDC2)0.0625 mV100 mVYes-
Voltage8966Analog unitMR6000, MR8740(T), MR8741, MR8827, MR8847220 MS/sDC...5 MHz12 bit±0.5%400 VDC0.05 mV100 mVYes-
Voltage (4-channel)U89754-channel analog unitMR6000, MR884745 MS/sDC...2 MHz16 bit±0.1%200 VDC0.125 mV4 VYes-
Voltage (4-channel, high resolution)U89784-channel analog unitMR6000, MR884745 MS/sDC...2 MHz16 bit±0.3%40 VDC3.125 µV100 mVYes-
Voltage (high resolution)8968High resolution unitMR6000, MR8740(T), MR8741, MR8827, MR884721 MS/sDC...100 kHz16 bit±0.3%400 VDC3.125 µV100 mVYeswith AAF
Voltage (DC, RMS)8972DC/RMS unitMR6000, MR8740(T), MR8741, MR8827, MR884721 MS/sDC...400 kHz12 bit±0.5%400 VDC0.05 mV100 mVYeswith RMS
Voltage (high voltage)U8974High voltage unitMR6000, MR8740(T), MR8741, MR8827, MR884721 MS/sDC...100 kHz16 bit±0.25%1000 VDC; 700 VAC0.125 mV4 VYes-

HIOKI MR8990, U8991 Voltmeter Modules

Measured signalModelDescriptionCompatible withNumber of channelsFastest samplingBandwidthA/D resolutionDC accuracy (f.s.)Max. input voltageSensitivity1)Max. sensitivity range (f.s.)IsolationSupplement
Voltage (high resolution)MR8990Digital voltmeter unitMR6000, MR8740(T), MR8741, MR8827, MR884722 ms-24 bit±0.01% rdg. ±0.0025% f.s.500 VDC0.1 µV100 mVYes-
VoltageU89916½-digit, 1,200,000 counts digital voltmeter unitMR8740T450 times/sDC voltage measurement; 3 ranges 1, 10, 100 V; resolution 1/1,000,000 of measurement range (using 24-bit ΔΣ modulation A/D); basic measurement accuracy ±0.02% rdg. ±0.0025% f.s.; max. input voltage 100 VDCYes-

HIOKI U8977, 8971 Current Modules

Measured signalModelDescriptionCompatible withNumber of channelsFastest samplingBandwidthA/D resolutionDC accuracy (f.s.)Max. input voltageSensitivity1)Max. sensitivity range (f.s.)IsolationSupplement
CurrentU89773-channel current unitMR6000, MR884735 MS/sDC...2 MHz16 bit±0.3%Current sensor onlyDepends on current sensor-Max. 3 units
Current8971Current unitMR6000, MR8740(T), MR8741, MR8827, MR884721 MS/sDC...100 kHz12 bit±0.65%Current sensor onlyDepends on current sensor-with RMS; max. 4 units

HIOKI 8967, U8969, 8970, U8979 Sensor and Frequency Modules

Measured signalModelDescriptionCompatible withNumber of channelsFastest samplingBandwidthA/D resolutionDC accuracy (f.s.)Max. input voltageSensitivity1)Max. sensitivity range (f.s.)IsolationSupplement
Temperature8967Temperature unitMR6000, MR8740(T), MR8741, MR8827, MR884721.2 msDC16 bitsee detailed referenceThermocouples only0.01°C200°C (392°F)Yes-
StrainU8969Strain unitMR6000, MR8740(T), MR8741, MR8827, MR88472200 kS/sDC...20 kHz16 bit±0.5% ±4 µεStrain only0.016 µε400 µεYesDiscontinued product 8969 can also be used
Frequency8970Frequency unitMR6000, MR8740(T), MR8741, MR8827, MR88472200 kS/sDC...100 kHz3)16 bit-400 VDC0.002 HzDepends on modeYes-
AccelerationU8979Charge unitMR6000, MR88472200 kS/s DC...50 kHz (DC); 1 Hz...50 kHz (AC)16 bit±0.5% (voltage); ±2.0% (acceleration)40 VDCDepends on acceleration sensorYesSupports TEDS

HIOKI 8973 Logic Module

Measured signalModelDescriptionCompatible withNumber of channelsFastest samplingBandwidthA/D resolutionDC accuracy (f.s.)Max. input voltageSensitivity1)Max. sensitivity range (f.s.)IsolationSupplement
Logic8973Logic unitMR6000, MR8740(T), MR8741, MR8827, MR88474 probes (16 channels)--------Requires 9320-01, 9327 or MR9321-01

1) Minimum resolution shows the highest sensitivity resolution.
2) When using the 9665.
3) Minimum pulse width 2 µs.


HIOKI U8793, MR8790, MR8791, U8794 Generator and Output Modules

Output signalModelDescriptionCompatible withNumber of channelsOutput functionOutput voltage range
Waveform generationU8793Arbitrary waveform generator unitMR6000, MR8740(T), MR8741, MR8827, MR88472Function generator: Sine, square, pulse, triangle, ramp, DC;
arbitrary waveform generation: Measurement waveform with memory recorder, waveform editted with the SP8000
-10...15 V
Waveform generationMR8790Waveform generator unitMR6000, MR8740(T), MR8741, MR8827, MR88474DC, sine wave (output frequency range: 0 Hz...20 kHz)-10...10 V
Pulse generationMR8791Pulse generator unitMR6000, MR8740(T), MR8741, MR8827, MR88478Pulse output: Frequency 0 Hz...20 kHz; logic output: Voltage level 0...5 V, open-collectorOutput terminal connector: D-sub, half-pitch, 50-pin
DC voltage, DC current, resistance simulation outputU8794VIR generator unitMR8740T8DC voltage: -0.1000...+5.3000 V (setting resolution: 0.1 mV);
DC current:
5 mA range: -5.0000...+5.0000 mA (setting resolution: 0.1 µA);
1 mA range: -1.00000...+1.00000 mA (setting resolution: 0.01 µA);
250 µA range: -250.00...+250.00 µA (setting resolution: 0.01 µA);
50 µA range: -50.000...+50.000 µA (setting resolution: 0.001 µA);
Resistance: 10 Ω...1 MΩ (setting resolution: 6 digits)

Output accuracy:
DC voltage: 5 V range, ±0.035% of setting ±800 µV;
DC current:
5-mA range: ±0.050% of setting ±4.0 µA;
1-mA range: ±0.050% of setting ±800 nA;
250-µA range: ±0.050% of setting ±200 nA;
50-µA range: ±0.050% of setting ±40 nA