- Intrinsically safe, approved according to (Ex) II 2G Ex Ib IIC T4
- 32 RICs with 4 sub addresses each
- 9 user profiles plus 1 expansion profile
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The DE920 Ex offers unprecedented protection for public safety and petro-chemical professionals alike. With ATEX Protection Class II 2G EEx ib llc T4, the DE920 Ex guarantees safe usage in all potentially explosive atmospheres where air and flammable gases mix.
The DE920 Ex boasts an array of user friendly operational features. Its 3-line back lit LCD with large character set makes reading more efficient, its 3-button operation makes usage effortless, and its robust housing guarantees a long lasting and safe investment. The ECO mode allows users longer independent battery operation, reducing the necessity for frequent recharging. Combining superior protection and outstanding usability, the DE920 Ex is the ideal choice for alerting in hazardous areas.
Technical Specifications
| Frequency bands |
VHF band 4 m 81- 88 MHz
VHF band 2 m 138-174 MHz
UHF band 70 cm 430-470 MHz |
| Channel spacing |
12.5, 20/25 kHz |
| Sensitivity |
3.0 μV/m @ 512 Bit/s
3.5 μV/m @ 1200 Bit/s
4.0 μV/m @ 2400 Bit/s |
| Frequency processing |
PLL, frequency adjustable via progamming software
VHF: +/- 0.5 MHz
UHF: +/- 1.0 MHz |
| Compliance |
(Ex) II 2G Ex ib IIC T4, ETSI EN 300390 |
| Norms |
EN 60079-0, 60079-11 (explosion protection)
EN 60068-2-27 (shock)
EN 60068-2-6 (vibration)
EN 60068-2-32 (drop test)
EN 60529:1991 + A1:2000 IP52 |
| Addresses |
32 main addresses (RIC), each with 4 subaddresses, frame independent |
| Display |
- 3 lines, 16 characters per line
- 5 mm font |
| Alerting |
- Acoustique > 85 dB(A) @ 30 cm distance
- 9 alerts/user profiles + 1 extension
- Vibration |
| Messages |
- 15 messages of up to 255 characters
- Up to 2 message folders and automatic storage tray, altogether 4096 characters storable
- 128 fixed texts. 32 characters can be stored |
| Battery |
Type AAA battery or alcaline dry cell AA.
Accurate accumulator/battery status indication.
Operating time left (regular mode/ECO mode):
- Dry cell alcaline battery (AA, 1.5 V) 900/1100 h
- NiMH rechargeable batterry (AAA, 1.2 V/1000 mAh) 410/500 h |
| Temperature range |
-20° C to +55° C with NiMH rechargeable battery
-20° C to +50° C with alcaline dry cell |
| Dimensions |
79 x 53 x 24 mm (H x W x D) |
| Weight |
88 g/94 g (incl. accumulator/dry cell) |
| Supports |
- Express-Alarm®
- On air programming |
| Options |
- IDEA™-Encryption (128 Bit)
- Multi channel (up to 9 channels) |
