3. Product description
26
3.1 Analyser box
3.1.1 Power supply
Power is supplied to the analyser box either via the:
· Mains adapter
· Testo rechargeable pack (0554 1098)
3.1.2 Control elements and connections
3.1.3 LED status display
3.1.4 Differences between testo 350M and testo 350 XL
3. Product description
Ambient air temperature
Combustion air temperature
Gas connections
Dilution
Trigger / alarm
Mains connection
Bus / data
Integrated differential
pressure/velocity measurement
Status LEDs
Integrated Peltier gas preparation
Dirt filter
Condensate collector
Particle filter
Contacts for Testo databus
Gas outlet (exhaust)
Fresh air inlet
LED1 (Power):
Mains operation
Green/Permanent
Battery operation (batt. full)
Green/Flashing
Battery operation (batt. empty)
Red/Flashing
Battery recharging, Off mode
Off
LED2 (Status):
Measuring
Green/Permanent
Fresh air/Zeroing
Green/Flashing
Defect
Red/Flashing
LED3 (Battery recharging):
Battery recharging (fast charge)
Green, flashing
Batt. full, compensation charge
Green, permanent
LED 1
LED 2
LED 3
Description
testo 350 M
testo 350 XL
Max. gas sensors
4
6
Basic version equipped with
O
2
; CO
O
2
, CO, NO; NO
2
Capable of extension with
NO; NOlow; NO
2
; SO
2
;
SO
2
, H
2
S; HC; NOlow; COlow;
COlow;CO
2
(IR) CO
2
(IR)
Fresh air valve
Option
Standard
Trigger input
——
Option
Catch
