TESTO 350 Short Manual

3 First steps
12
Recharging the rech. batt. of the Control Unit
The rech. batt. can only be charged at an ambient temperature of
±0...+35°C. If the rech. batt. had been completely discharged, the
charging time at room temperature will take about 7h (charging with
mains adapter) or approx. 14h (charging via Testo Data bus).
Charging via meas. box
✓ Control Unit is locked to meas. box or is connected via the
Testo Data bus cable.
✓ The meas. box is supplied via the mains unit.
During operation with low charge power or in switched off state.
3.1.2. Meas. box
The meas. box is supplied with a rech. batt. already fitted.
> Charge the rech. batt. fully before using the meas. box.
Charging the rech. batt. of the meas. box
The rech. batt. pack can only be charged at an ambient
temperature of ±0...+35°C. If the rech. batt. has been discharged
completely, the charging time at room temperature is approx. 6h.
✓ The meas. box is switched off.
> Connect mains cable to meas. box and mains socket.
- Charging will start, the fan may come on automatically. The
status LEDs lights green while the rech. batt. is being charged.
- Once the rech. batt. has been charged the instrument will
automatically change to trickle charge. The status LEDs
permanently light green.
Meas. box via DC-voltage input DC
Cable with battery terminals and adapter for connection to meas.
box required (0554 1337, accessory)
- If the meas. box is switched off the rech. batt. charging process
will start automatically. Battery charging stops when the flue gas
analyser is switched on by the Control Unit.

TESTO 350 Specifications

General

Measurement Parameters	O2, CO, NO, NO2, SO2, H2S, CO2, CxHy, H2, Temperature, Draft, Pressure
O2 measurement range	0 to 25 vol. %
CO measurement range	0 to 10, 000 ppm
SO2 measurement range	0 to 5, 000 ppm
Resolution H2	1 ppm
Accuracy O2	±0.2 vol. %
Display	Graphic display
Communication	USB, Bluetooth
Power Supply	Rechargeable battery
Operating Temperature	-5 to 45 °C
Accuracy CO	±5 ppm or ±5% of measured value
Accuracy NO	±5 ppm or ±5% of measured value
Accuracy NO2	±5 ppm or ±5% of measured value
Accuracy SO2	±5 ppm or ±5% of measured value
Accuracy H2S	±5 ppm or ±5% of measured value
Accuracy H2	±5 ppm or ±5% of measured value
Draft measurement range	-99.9 to +99.9 hPa