Theta Hz is a transducer used for frequency measurement. The output signal is proportional to measured frequency and is either load independent DC Current or load independent DC Voltage
Special Features
Fully on-site programmable input range.
Available in Single or Dual output type.
On-site selectable output type.(DC current / DC voltage).
Accuracy class 0.2 ( IEC / EN 60688).
Seven Segment LCD Display.
RS-485 (Modbus) Communication.
Product Features
Measuring Input: Sine wave or distorted wave form of nominal input voltage with fundamental wave.
Analog Output (Single or dual): Isolated analog output which can be set onsite to either voltage or current output.
Accuracy: Output signal accuracy class 0.2 as per International Standard IEC/EN 60 688.
Programmable Input / Output: The Transducer can be programmed onsite using front key & display or through programming port (COM) or through RS-485.
LED Indication LED indication for power on and output type. (Current output: Red LED, Voltage output: Green LED).
Display Module (Optional): Optional 7 segment LCD display with backlit & keypad. For displaying measured parameters & onsite configuration of Input / Output.
Rs485 Communication (Optional): Optional RS485 communication is available. For reading measured parameters & onsite configuration of Input / Output.
Application
Theta Hz the transducer is used for frequency measurement.
The output signal is proportional to measured frequency and is either load independent DC Current
or load independent DC Voltage
Measuring Output Y( Single or Optional Dual) |
Output type |
Load independent DC Voltage or DC Current (Onsite selectable through DIP switches & programming.) |
Load independent DC output |
0…20mA / 4…20mA OR 0…10V |
Output burden with
DC current output Signal |
0 ≤ R ≤ 15V/Y2 |
Output burden with DC voltage output Signal Y |
Y2 / (2 mA) ≤ R ≤ ∞ |
Current limit under overload R=0 |
≤ 1.25 * Y2 with current output | ≤ 100 mA with voltage output |
Voltage limit under R=∞ |
≤ 1.25 * Y2 with voltage output | ≤ 30 V with current output |
Residual Ripple in Output signal |
≤ 1% pk-pk |
Response Time |
400 msec |
Safety |
Protection Class |
II |
Protection |
IP 40, housing according to EN 60 529
IP 20 ,terminal according to EN 60 529 |
Pollution degree |
2 |
Installation Category |
III |
Insulation Voltage |
50Hz, 1min. ( EN 61 010-1),
7700VDC, Input versus outer surface,
5200VDC, Input versus all other circuits,
5200VDC, Auxiliary supply versus outer surface and output,
690VDC, Output versus output versus each other versus outer surface.
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Installation Data
Mechanical Housing: Lexan 940 (polycarbonate) Flammability Class V-o acc to UL 94, self extinguishing, non dripping, free of halogen with indirect wire pressure.
Mounting position: Rail mounting / wall mounting.
Weight: Approx: 0.4kg
Ambient Conditions
EN 60 068-2-6: Vibration.
Acceleration: ± 2 g.
Frequency range: 10....150...10Hz, rate of frequency sweep: 1 octave/minute.
Number of cycles: 10, in each of the three axes.
EN 60 068-2-7: Shock.
Acceleration: 3 x 50g. 3 shocks in each direction.
EN 60 068-2-1/-2/-3: Cold, Dry, Damp heat.
IEC 61000-4-2/-3/-4/-5/-6, EN 55 011: Electromagnetic compatibility.
Environmental
Nominal range of use: 0 to 45°C .
Storage temperature: -40 to 70 °C.
Relative humidity of annual mean: ≤ 75%.
Altitude: 2000m max.
