Test Products International 775 - Manual (Page 3)

14
Trouble Shooting Guide
Problem Probable Cause Possible Remedy
Instrument won’t
turn on Flat batteries Check and replace
batteries
‘SEnS Err’ dis-
played on Screen Faulty Combustible
Gas Sensor Combustible Gas
Sensor needs re-
plaing
CO error is dis-
played Faulty CO sensor Return Instrument
to supplier
3
General Specifications
Sensor Specifications
Dimensions
240mm X 74mm X
55mm
Goose Neck Length 16’’
Battery
1.5V Alkaline battery
C size X 2
Power Consumption
About 400mW in
typical use.
Sensor Life CO Sensor
Months until 80
% original signal
(24 month
warranted)
Pressure Range 80 ~ 120kPa
Alarms Visual/Audible
Response Time CO
90% of reading
in 30 seconds
Leak Instantaneous
Operating Temperature 0 °C ~ 50°C
Type Resolution Range Accuracy
Leak <50ppm 0~50,000ppm ±10%
CO 1ppm 0~2000ppm
±5ppm or 5%
whichever is
greater
14
Trouble Shooting Guide
Problem Probable Cause Possible Remedy
Instrument won’t
turn on Flat batteries Check and replace
batteries
‘SEnS Err’ dis-
played on Screen Faulty Combustible
Gas Sensor Combustible Gas
Sensor needs re-
plaing
CO error is dis-
played Faulty CO sensor Return Instrument
to supplier
3
General Specifications
Sensor Specifications
Dimensions
240mm X 74mm X
55mm
Goose Neck Length 16’’
Battery
1.5V Alkaline battery
C size X 2
Power Consumption
About 400mW in
typical use.
Sensor Life CO Sensor
Months until 80
% original signal
(24 month
warranted)
Pressure Range 80 ~ 120kPa
Alarms Visual/Audible
Response Time CO
90% of reading
in 30 seconds
Leak Instantaneous
Operating Temperature 0 °C ~ 50°C
Type Resolution Range Accuracy
Leak <50ppm 0~50,000ppm ±10%
CO 1ppm 0~2000ppm
±5ppm or 5%
whichever is
greater