This telemetry system is composed of transmitter DT-041T and receiver DT-041R-1. Since the system employs digital communications, relation between the strain value and the output voltage is fixed, and calibration of output voltage is not necessary. In addition to the miniaturization of the transmitter main body, the use of frequency band of 315MHz (extremely low power radio station) makes the whole system including antenna very small. As for the power source, continuous power supply using an inductive method (option) is available in addition to the use of battery. The receiver is small and easy to operate.
Features
- Radio frequency range of 315MHz(extremely low power radio station)
Digital Telemetry Transmitter DT-041T
- Transmission of strain data and transmitter? power source voltage in digital form
- Small and lightweight (35(W)×10.5H)×15(D), Approx. 18g)
- Driving by inductive power supply available (option)
Digital Telemetry Receiver DT-041R-1
- Outputs measurement data to external recorder in voltage form
- Indicates approximation of transmitter? power source voltage by LED color
- Small(48(W)×21.5(H)×100(D))
| Transmitter: |
| Type |
DT-031T |
| Number of measuring points |
Strain: 1 point, Voltage: 1 point |
| Applicable gauge resistance |
Full bridge 120~1000Ω |
| Bridge excitation |
2V |
| Measuring range |
±16000×10-6 strain |
| Resolution |
1×10-6 strain |
| Measurement accuracy |
±0.2%FS |
| Sampling frequency |
100µsec. (10kHz) |
| Analog filter characteristics |
Cutoff frequency 2kHz, 1st+2nd order Butterworth filter |
| Stability on zero |
±0.8×10-6 strain/°C |
| Stability on sensitivity |
±0.03%/°C |
| Dimensions |
35(W)×10.5(H)×15(D)mm (except projecting parts) |
| Weight |
Approx. 18g |
| Receiver: |
| Type |
DT-041T |
| Wireless specifications |
2.4GHz advanced low-power data communication system |
| Voltage output |
±5V |
| Lowpass filter |
100Hz, 500Hz, PASS (1kHz) (-3dB±1dB) |
| Dimensions |
48(W)×21.5(H)×100(D)mm(except projecting parts) |
| Weight |
Approx. 110g |
| Power supply |
DC10~16V |
Hoskin Environnement
Hoskin Géotechnique
Hoskin Instrumentation
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