Durag D-LX 110 Compact Flame Monitor
Fire Water Monitor
Self-monitoring and fail-safe compact flame monitor for the monitoring of gas, oil and coal flames with integrated UV, VIS or IR flame sensor, primarily in single burner view applications.Overview
- For ambient temperatures from -40°C up to +75/70°C, certified and without need for accessories to isolate, heat or cool.
- Highest safety combined with highest availability
- Ideal support for Functional Safety within safety chains up to SIL3
- Flame relay output as changeover relay (SPDT, 1 x NO, 1 x NC)
- All variants of the D-LX 110 also available for combination with fibre optic systems (see D-LX 710)
- Easy exchange of consumables
- Local display of settings and operational status for the whole ambient temperature range, visible for all versions at a single glance
Technical Data
| Operational mode | Intermittent operation or continuous operation |
| Safety | Self-monitoring and fail-safe,
supports safety chains up to SIL3 |
| Electrical connection | 24 VDC, 7W, PELV |
| Flame relay | 1x NO contact, 250 VAC, 2 A
1x NC contact, 250 VAC, 2 A |
| Status relay | 1x NO contact, 250 VAC, 2 A |
| Flame Failure Detection Time (FFDT) | 0.5 ... 5 s (adjustable in steps of 0.5 s) |
| Analogue output | 0/4...20 mA, 750 Ohm max. |
| Spectral ranges | UV, VIS, IR |
| Number of ranges | 1 |
| Threshold switch | Flame intensity |
| Viewing angle | 6°
6° horizontal, 12° vertical (D-LX 110 UL) |
| Communication | LEDs, always visible at a glance for all versions |
| Perm. ambient temperature | -40...+75°C
-40...+70°C (D-LX 110 UL) |
| Sighting tube connection | G 1¼" or 1¼" NPT(F) |
| Purge air connection | G ½" or ½" NPT(F) |
| Protection class | IP66/IP68, NEMA 4X
IP65, NEMA 4X (/MP7) |
| Dimensions | 100 x 100 mm, length approx. 260 mm (housing M5) |
| Weight (w/o cable) | approx. 1.3 kg (housing M5) |