Instrument overview
Instruction Manual FireGuard 2
13542E/5
15
2.4
Technical data for the FireGuard 2
General:
Data
Values
Measuring principle
Scattered light measurement
Measurement span
0 .. 3 E/m
Wavelength
670 nm
Resolution
± 0.001 E/m
Reproducibility
± 0.001 E/m, or 2 % of the measuring range
Reaction time
5 s (at a wind speed of 1.5 m/s)
Measuring angle
120 °
Ambient temperature -30 .. +55 °C
Ambient humidity
0 .. 100 % rel. humidity
FireGuard 2 photometer:
Data
Values
Service voltage
24 VDC
Power consumption
4 W + optional heater 13 W
Weight
0.9 kg (up to max. 2.6 kg with sample heater and fastening mate-
rial)
Protection class
IP66 (electronics only)
Photometer material
Stainless steel 1.4571 (316L)
Measuring cell mate-
rial
PC/ABS
Cable standard
High-temperature cable for wall or ceiling mounting:
▪
Length: as needed
▪
Type: 4 x 2 x 0.80 mm
2
▪
FE180, E30-E90
Dimensions
ca. Ø 110 mm x 274 mm (see detailed dimension sheet)