Light Test Module

Light Test Module, to show some of the techniques used to measure light or illumination intensity.

ATENG 12374 — Light Test Module

• Voltage to frequency (V/F) converter:
• Transfer ratio: 1 kHz/V.
  This unit is common for the different test modules type “ATENG 12356”,
• Maximum input frequency: 10 kHz.
  and can work with one or several modules.
• No linearity: 0.024 %.
  All elements are included in a metallic box.
• Other circuits:
• Signal conditioning circuits:
  Full-wave rectifier.
• Amplifiers:
• 40 kHz oscillator:
• DC amplifiers:
• Output frequency: 41093 Hz.
• Three amplifiers.
• Output amplitude: 5 Vpp.
• Input range: +/-12 VDC.
• Alarm oscillator:
• Input impedance: 100 KΩ.
• Oscillator frequency: 700 Hz.
• Adjustable gain: 1, 10,100 for the “Amplifier 1“ and
• Switch turn off voltage: 2.3 V.
  “Amplifier 2“.
• Electronic switch:
• Fixed gain: 100 for “x100 ATENG 11921”.
• Input voltage: 12 V max.
• AC amplifier:
• Switch voltage: 2.1 V.
• Input range: 12 VAC.
• Output current: 500 mA max.
• Adjustable gain: 10, 100,1000.
• Control circuits:
• Bandwidth: 10 - 16000 Hz.
• PID:
• Power amplifier:
  Process control applications.
• Input range: 12 V max.
  Independent PID parameters adjustment (Proportional,
• Output current: 1.5 A max.
  Integrative and Derivative ).
• Output power: 9 W max.
• Industrial controller:
• Current amplifier:
• Input: DC voltage, RTD sensor or thermocouple.
• Gain: 10,000.
• Output 1: Relay.
• Output current: 1 A max.
• Alarm output: Relay.
• Buffers:
• Relay:
• Two buffers.
  Double relay.
• Input voltage: 12 V max.
  NO and NC terminal.
• Input impedance: 100 KΩ.
• 12 VDC coil excitation.
• Inverting amplifier:
• DC dimmer:
• Input voltage: 12 V max.
  Light dimmer or DC motor speed controller applications.
• Input impedance: 100 KΩ.
  PWM generator.
• Gain: -1.
  Frequency and duty cycle adjustable.
• Differential amplifier:
• Power elements:
• Input voltage: 12 V max.
• Power supply:
• Inputs impedance: 100 KΩ (Input A) and 200 KΩ (Input B).
• AC voltage range: 0 – 30 VAC.
• A (Differential gain): 1.0.
• d DC voltage range: 0 –15 VDC.
• A (Common mode gain): 0.02 max.
• c Output current: 4 A max.
• Instrumentation amplifier:
• DC Source:
• Input voltage: 12V max.
  Two output for each voltage.
• Inputs impedance: 100 KΩ.
• DC voltages:+5 VDC, -5 VDC,+12 VDC, -12 VDC, 0 to 12 Var.
• A (Differential gain): 1.0.
• d Output current: 500 mA max.
• A (Common mode gain): 0.006 max.
• c • Wave Generator:
• Summing amplifier:
  Sine, square, triangular and sawtooth waveforms.
• Input voltage: 12 V max.
• Frequency range: 100 to 10000 Hz.
• Three inputs.
• Amplitude range: Adjustable +/- 10V.
• Gain: 1.
• Potentiometers:
• Comparators:
  Four potentiometers.
  Schmitt trigger.
• Impedance values: 0-1 KΩ, 0-5 KΩ, 0-10 KΩ and 0-20 KΩ.
• Filters:
• Power dissipation: 1 W max.
• 40kHz filter: Pass-band filter at 40 kHz.
• Measuring elements:
• Low-pass filter: selectable cut-off frequencies at 15 Hz,
• L.E.D. bargraph display:
  1.44 Hz, 0.14 Hz.
• Input range: 0-5 V.
• Integrator:
• Counter/Timer:
• Selectable time constants: 100 ms, 1 s, 10 s.
  Temporization applications.
• Differentiator:
  Counting applications.
• Selectable time constants: 10 ms,100 ms, 1 s.
• Moving coil meter.
• “Sample/Hold” circuit:
• Analog inputs and outputs:
• Time constant: 1 ms.
• Two analog outputs:
• Converters circuits:
• Output voltage range: -10 V to +10 V.
• Voltage to current (V/I) converter:
• Four analog inputs:
• Output current: ±20 mA max.
• Input voltage range: -10 V to +10 V.
• Transfer ratio: 10 mA/V.
• Computer Control System (SCADA):
• Current to voltage (I/V) converter:
• Control Interface, integrated in the box of the base unit (ATENG 12358).
• Output voltage: ±2 V (6 V max.).
• Data acquisition board to be installed in a computer slot.
• Transfer ratio: 0.1 V/mA.
• Computer Control Software.
• Frequency to voltage (F/V) converter:
  Cables and Accessories, for normal operation.
• Transfer ratio: 1 V/kHz. Manuals: It is supplied with the following: Required Services,
• Maximum input frequency: 10 kHz. Assembly and Installation, Interface and Software,
• No linearity: 0.024 %. Starting-up, Safety, Maintenance & Practices