MAL Isolating and Miniature Measuring Amplifier
MAL Isolating Measuring Amplifiers and Miniature Measuring Amplifier
Voltage and current signals can optimally be adjusted to the input of a data acquisition system with the differential amplifiers of the MAL-ISO series. The isolation of the analog inputs guarantees reliable measurement results.
Various sensor signals like thermocouples, PT100, strain gauges, can optimally be adjusted to the input of a PC data acquisition system by the miniature measuring amplifier of the MAL series.
The miniature format of the MAL series is ideal to realize measurement applications even if the installation is in problematic locations. Despite the small size, the measuring amplifier features great functionality. All this at a reasonable price.
- MAL isolating measuring amplifiers and miniature measuring amplifier, 24-pin DIL IC.
- Bandwidth depending on model, selectable on some models via soldering jumper.
- Differential input.
- 6 dB/Okt. output filter.
Model Overview
| Model | Description | Measured quantities | Additional features | Output voltage |
| MAL-PT100 | Miniature measuring amplifier for temperature | Temperature (PT100), 0..300°C, 2-, 3-, 4-wire |
Linearization, sensor supply 1 mA | 0...5 VDC |
| MAL-R1K | Miniature measuring amplifier for resistance | Resistance, 0...1 kOhm, 2-, 3-, 4-wire | Sensor supply 1 mA | 0...5 VDC |
| MAL-THR | Miniature measuring amplifier for thermocouple | Temperature (thermocouple, type K), 0...1250°C | CJC/cold junction compensation | 0...5 VDC |
| MAL-I20mA | Miniature measuring amplifier for current | Current, ±20 mA | For current measurement a 50 Ohm shunt is active. The measurement is done in the ±1 V measuring range | ±5 VDC |
| MAL-FU | Isolating frequency/voltage converter | 3 frequency ranges 100 Hz, 1 kHz, 10 kHz | Galvanic isolation by a fast opto-coupler | 0..5 VDC |
| MAL-U1 | Miniature measuring amplifier for voltage | ±1 V | Cut-off frequency 140 Hz, 15 Hz, 340 Hz | ±5 VDC |
| MAL-U5 | ±5 V | Cut-off frequency 75 Hz, 8 Hz, 340 Hz | ±5 VDC | |
| MAL-U10 | ±10 V | Cut-off frequency 15 Hz, 2 Hz, 340 Hz | ±5 VDC | |
| MAL-SG2 | Miniature measuring amplifier for strain gauges | Strain gauges, sensitivity 2 mV/V | Sensor supply 5 V | ±5 VDC |
| MAL-SG5 | Strain gauges, sensitivity 5 mV/V | Sensor supply 5 V | ±5 VDC | |
| MAL-ISO1 | Isolating measuring amplifier for voltage | Voltage, ±1 V | Galvanic isolation | ±5 VDC |
| MAL-ISO5 | Voltage, ±5 V | Galvanic isolation | ±5 VDC | |
| MAL-ISO10 | Voltage, ±10 V | Galvanic isolation | ±5 VDC | |
| MAL-ISO50 | Voltage, ±50 V | Galvanic isolation | ±5 VDC | |
| MAL-ISO20mA | Isolating measuring amplifier for current | Current ±20 mA | Galvanic isolation | ±5 VDC |
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