AMP-10  (for use with HFM-6 and HFM-7 series - 5 gain settings)
 

 Advantages:

- AC powered for continuous operation
- Captures the full range and bandwidth of heat flux signals
- Input cables and AC adapter included
 

Specification:
 

	Heat Flux Channels	Temperature (RTS) Channel
Gain Settings	1, 100, 500, 1000, 5000	1, 100, 200, 500
Gain Accuracy (%)
Gain = 1	± 0.6	± 0.6
Gain = 100	± 1.5	± 1.5
Gain = 200, 500	± 1.5	± 1.5
Gain = 1000	± 2.1
Gain = 5000	± 3.6
Bandwidth
Gain = 1	1 MHz	1 MHz
Gain = 100	150 kHz	150 kHz
Gain = 200		100 kHz
Gain = 500	50 kHz	50 kHz
Gain = 1000	25 kHz
Gain = 5000	5 kHz
Input Impedance	109 Ohms	109 Ohms
Input Noise	0.2 µV	0.2 µV
Full Scale Output	6 Volts	6 Volts

Principle of Operation:
The AMP-10 Signal Conditioning Amplifier is designed for use with the HFM series.  Heat Flux signals of the transducer are amplified by a low noise, wide-band differential amplifier whose gain may be set at one of five discrete values between 1 and 5000.  The Resistance Temperature Sensor (RTS) is driven by a constant current of 100 mA.  The resulting voltage is amplified by a low noise differential amplifier whose gain may be set at one of four discrete values between 1 and 500.

Construction:
All signal connections are at the rear panel of the amplifier.  A four-pin female Lemo connector is provided for leads from the Heat Flux Microsensor to connect to the amplifier.  Male BNC connectors are provided for the amplified heat flux and temperature output signals from the amplifier.  Connections and cables from the amplifier's output  to the customer's data acquisition system are customer supplied.    The amplifier has a power switch on the front panel.  Gains for heat flux and temperature signals are selected by multiple position switches.  Ten-turn potentiometers are provided for screwdriver adjustment of the heat flux amplifier offset and setting of the temperature reference point. 

Dimensions:

Height: 4.3 cm (1.7")     Width: 19 cm (7.5")     Depth: 28 cm (11")     Weight: 1.1 kg (37 oz.)