UDI™ Communication unit specifications
|
Number of user predetermined messages
Total messages |
13
15 |
|
Number of users per network |
14 |
|
Number of networks |
Up to 4, depending on sea conditions |
|
Avg. transmission time |
1.8 sec. |
|
SOS frequency |
36.266 kHz |
|
Homing frequency |
Determined by network |
|
Homing nominal range |
Calm sea conditions: 500 m,
Sea cond. level 4: less than 300 m |
|
Nominal message transmission range |
Calm sea conditions: 500 m,
Sea cond. level 4: less than 300 m |
|
Probability of correct receiving |
Calm sea conditions: 95%,
Sea cond. level 4: 80% |
|
SOS nominal range |
Calm sea conditions: 1,000 m,
Sea cond. level 4: 500 m |
|
Modulation |
BFSK with BCH codes |
|
Transmission band |
35kHz to 55kHz |
|
3D compass accuracy |
+/- 2.5 Deg. |
|
Acoustic output power |
Figure of merit |
|
Receiver sensitivity |
-80 dBV |
|
Maximal velocity of operation |
2 m/sec |
|
Battery type |
7.4 V Li-ion, 1500mAh, rechargeable |
|
Battery life |
8 hrs, assuming one transmission / 4 min. |
|
Expected battery charging cycles |
300 |
|
Low battery indicator |
Last 90 min. on LCD screen |
|
Transducer |
Piezoelectric type |
|
Housing |
High impact Injected mold plastic |
|
Buzzer / Alarm |
Audible signal + Super bright LED |
|
Broadcasting mode |
With acknowledgment indication |
|
Weight in salt water |
Slightly negative |
UDI™ dive computer specifications
|
Calculation model |
Full RGBM (Reduced Gradient Bubble Model) |
|
Gas Mixtures |
Nitrox EAN from 21% to 99% |
|
Deep stops option |
Yes |
|
Salt water correction |
Yes |
|
High altitude correction |
Yes |
|
Real time clock |
Yes |
|
Safety / Deep stops countdown |
Yes |
|
Maximum depth |
70 m |
|
Depth resolution |
0.1 m |
|
Ascent rate alarm |
Yes |
|
Full decompression data |
Yes |
|
Maximum depth display |
Yes |
|
Temperature display |
Yes |
|
Lifetime history black box |
Yes |
|
Log book memory |
Yes, for one hundred dives |
|
Compass |
Digital with Gyro compensation, Graphic or Digital heading |
UDI™ - general specifications
|
Rechargeable battery |
Yes, Li-Ion |
|
Operating temperature |
10⁰C to 40 ⁰C (see limitations in the user manual) |
|
Storage temperature |
-10 ⁰C to 60 ⁰C |
|
Metric/imperial units select |
Yes |
|
PC software |
DiveSim™ |
|
PC communication |
USB, incl. cable |
|
PC simulation |
Yes, with simulated log files |
|
UDI simulation |
Yes, with simulated log files |
|
PC Log book |
Database + Graphical presentation |
|
Dive planning |
Yes |
UTC is entitled to change any of the specifications without prior notice. 
