Technical specifications


D 100

Type: Heterodyne
Frequency range: 10 - 120 kHz (min.)
Bandwidth: 8 kHz (+/- 4 kHz), -6 dB
Battery: 1 x IEC 6LF22 (9V)
Quiescent current: 16 mA typ.
Size: 113 x 71 x 33 mm (113 x 71 x 63 mm including knobs)
Weight: 220 g. including battery
Outputs: 2 x 3.5 mm jacks for headphones and tape recorder.

 




D 200

Type: Heterodyne
Frequency range: 10 - 120 kHz (min.)
Display accuracy: +/- 0.15 kHz
Bandwidth: 8 kHz (+/- 4 kHz), -6 dB
Battery: 1 x IEC 6LF22 (9V)
Quiescent current: 17 mA typ. including LCD backlight
Size: 119 x 60 x 25 mm including knobs
Weight: 150 g. including battery
Outputs: 2 x 3.5 mm jacks for headphones and tape recorder.

 




D 230

Type: Heterodyne and retained amplitude frequency division (divide-by-ten)
Frequency range: 10 - 120 kHz (min.)
Display accuracy: +/- 0.15 kHz
Bandwidth: 8 kHz (+/- 4 kHz), -6 dB
Battery: 1 x IEC 6LF22 (9V)
Quiescent current: 23 mA typ. including LCD backlight
Comment switch: Yes
Size: 119 x 60 x 25 mm including knobs
Weight: 160 g. including battery
Outputs: 2 x 3.5 mm jacks for headphones and tape recorder.


 

D 240X

Type: Heterodyne and time expansion (x10 or x20 - selectable via switch)
Frequency range: 10 - 120 kHz (min.)
Display accuracy: +/- 0.15 kHz
Bandwidth: 8 kHz (+/- 4 kHz), -6 dB
Battery: 1 x IEC 6LF22 (9V)
Quiescent current: 30 mA typ. (replay) including LCD backlight
Comment switch: Yes
Memory size: 1M x 8
Sampling frequency: 307 kHz
Resolution: 8 bits
Storage time: 3.4, 1.7 or 0.1 sec. (selectable via switch)
Trigger modes: Manual, level - broadband, level - narrowband
Pretrigger: 50% of the selected storage time
Miscellaneous: Overload indicator, adjustable input gain, replay of signal in memory through heterodyne system

Size: 119 x 60 x 25 mm including knobs
Weight: 170 g. including battery
Outputs: 2 x 3.5 mm jacks for headphones and tape recorder.

 


 

D 500X

Type:                          Direct, high-speed recording

Frequency range:          15 – 190 kHz (500 kHz sampling rate, high-pass filter enabled)

                                   <5 – 190 kHz (500 kHz sampling rate, high-pass filter disabled)

Recording system        

  ADC resolution:          16 bits

  Anti-aliasing filter:       Yes, 8th order, 190 kHz cut-off frequency

  Sampling rates:           44.1, 300, 500 kHz (optimized for 500 kHz)

  Recording length:        0.3, 0.5, 1, 2, 3, 5, 10, 20 sec or manual recording

  Recording medium:     CF card, 4 slots

Built-in microphone:     Electret

Connections:                External microphone, external trigger, external DC supply

Timer:                         Four on/off periods per day

Batteries:                     4 x AA size, Alkaline or NiMH recommended

External DC supply:      4.5-8 V, typically ca. 200 mA (average, when recording), depends on CF card type and number

Size:                            165 x 170 x 53 mm, excl. connectors etc.

Weight:                        1.2 kg incl. batteries and front panel cover

 


 

D 1000X

Type:                          Heterodyne, frequency division (x10), time expansion and direct recording

Frequency range:          5 – 235 kHz (frequency division and heterodyne)

                                   5 kHz – 0.4 x sampling frequency  (time expansion and direct recording)

                                   Activating the high-pass filter results in a lower frequency limit of about 20 kHz.

Het. freq. resolution:     0.1 kHz (f<17.8 kHz)

0.2 kHz (18<f<43 kHz)

0.5 kHz (43.5 kHz<f<107 kHz)

1 kHz (108<f<235 kHz)

Headphones output:      3.5 mm stereo jack, load impedance 32 ohms or greater

HF/MEM output:          3.5 mm stereo jack, load impedance 500 ohms or greater, ca 600 mVrms at 0 dB

Recording/playback system            

  ADC resolution:          16 bits

  Anti-aliasing filter:       Yes, adaptive

  Sampling rates:           32, 44.1, 48, 96, 100, 192, 200, 250, 300, 384, 400, 500, 750, 768 kHz

  Time exp. factors:       1, 2, 3, 5, 10, 20, 30

  DAC resolution:          12 bits

GPS connection requirements:

  Interface:                   RS-232

  Protocol:                    NMEA 0183

  Decoded sentences:    GPGLL, GPGGA and GPRMC

  Baud rate:                  4800 Baud

Batteries:                     5 x AA size, Alkaline or NiMH recommended

External DC supply:      7-10 V, 250 mA (average), 700 mA (peak)

Size:                            170 x 80 x 35 mm, excl. microphone

Weight:                        600 g incl. batteries

 


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