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Главная » Products » Charge amplifiers, coupling amplifiers » ZET 410 SIGNAL AMPLIFIER

ZET 410 SIGNAL AMPLIFIER

A signal amplifier without galvanic separation, input: 2 differential channels, output: 2 asymmetrical channels.

ZET 410 Signal Amplifier - side view
ZET 410 Signal Amplifier - side view ZET 410 Signal Amplifier - side view 2 ZET 410 Signal Amplifier - back view ZET 410 Signal Amplifier - front view ZET 410 Signal Amplifier - connection of terminal boards ZET 410 Signal Amplifier - connection of terminal boards 2 ZET 410 Signal Amplifier - terminal board scheme ZET 410 Signal Amplifier - terminal board scheme 2

The ZET 410 preamplifier is used as a signal amplifier in processing systems and various instruments and actuator control systems. It is used in industry, laboratory and mobile studies.

Both passive (resistive) sensors, and integrated-circuit sensors (compact acceleration meters, magnetic and electric field sensors, etc.) can be connected to the amplifier. The gain ratios are fixed (1, 10, 100, or 1,000) and can be selected using micro-switches on the front panel of the amplifier.

POR (price on request)

Features

of the ZET 410 Signal Amplifiers

CONNECTION

of passive and active sensors

1, 10, 100, 1,000

Gain ratio

POWER SUPPLY

from USB 2.0

SPECIFICATIONS

of the ZET 410 Signal Amplifiers

TECHNICAL SPECIFICATIONS
MEASURING PATH
No of channels 2
Analog input type Differential
Pass band, -3 dB 0 to 20 kHz
Input voltage range at the GR=1 ±10 V
Rated input resistance 1 mOhm
Gain ratios 1, 10, 100, 1,000
Differential input protection ±40 V
Channel galvanic separation no
Inter-channel interference < -72 dB
Output load capacity < 10 mA
SENSOR POWER SUPPLY TRACK 
No of channels 2
Passive sensor supply current (3.0±0.6) mA (12 V)
Active sensor supply voltage 5 V (< 10 mA)
Voltage source short-circuit protection yes
Analog output type asymmetrical (with common ground)
Pass band, -3 dB 0 to 20 kHz
Input voltage range ±5 V
Rated input resistance 100 kOhm
Gain ratio 2
Output voltage range ±10 V
ADDITIONAL CHARACTERISTICS
Connected sensors bridge sensors, strain sensors, thermocouples,
resistive temperature transducers,
piezoresistive transducers,
potentiometric sensors
Dimensions 90 × 110 × 35 mm
Weight 150 g
Power supply voltage (±10%) ±5 V

FLOW DIAGRAM

of the ZET 410 Signal Amplifiers

Block diagra of the amplifier

The input signal from the primary sensor (passive or active) is forwarded to the differential amplifier with switched gain ratio (GR=1, 10, 100, 1,000). From the amplifier output, the signal is fed to the input of ADC/DAC units, e.g. ZET 210. From the ADC/DAC unit outputs, the signal is transmitted to the amplifier output.

Switch positions and relevant

GAIN RATIOS

The switch positions and their corresponding gain factors

Galvanically separated voltage sources (VS) and current sources (CS) are used for power supply to the active and passive primary transducers, respectively.

The passive sensors include the resistive transducers, such as thermocouple-based temperature sensors or resistive-strain-sensor-based strain sensors.

The active sensors include various transducers on integrated circuits, such as acceleration sensors (accelerometers) of ADXL type by Analog Devices, magnetic field sensors by Honeywell, or pressure and temperature sensors by Freescale.

PASSIVE SENSOR CONNECTION DIAGRAMS

Schematics for connecting passive sensors-to the amplifier

ACTIVE SENSOR CONNECTION DIAGRAMS

Scheme connecting active sensors to the amplifier

DIAGRAMS OF CONNECTION VIA TERMINAL BLOCKS

The analog sensors are connected to the Signal amplifier ZET 410 and the amplifier in its turn is connected to a FFT spectrum analyzer using terminal blocks included in the amplifier delivery scope.

Terminal Block for Input1 Input2
Terminal block for the “Input1/Input2” socket

Connecting a sensor to the Signal amplifier ZET 410

SENSOR OUTPUT AMPLIFIER INPUT
+5 V OUT
Out IN+
Comm IN-
Connect GND and IN-

Terminal block for the Output
Terminal block for the “Output” socket

Connecting the amplifier to the FFT spectrum analyzer (via an adapter from BNC socket to the terminal)

AMPLIFIER OUTPUT ADAPTER TERMINAL
IN IN
↓ ↓

BASIC CONFIGURATION

of the ZET 410 Signal Amplifiers

Basic set of the signal amplifier

Basic configuration of Signal amplifier ZET 410:

  • A signal amplifier without galvanic separation.
  • USB 2.0 cable for connecting to a PC and power supply.
  • Terminal blocks for sockets DB-9 and DB-15.
  • Operation manual.

POR (price on request)

Signal amplifier ZET 410 is unique because it can be connected to almost all known types of physical to electric value primary transducers. The amplifier is powered via USB bus of a PC or an external +5 V power supply unit, which makes it a really versatile tool for building computer measuring systems using ADC and DAC units.

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