4 sensor replacement, Table 3: data for oxygen and toxic sensors – ENMET OX-2000 User Manual
Page 18

ENMET Corporation
TX2000 / OX2000
14
4.4 Sensor Replacement
Necessary when:
• Instrument fails to calibrate, sensor is worn out (DEF4).
• Wrong type of sensor installed (DEF128).
N
OTE
: If other type of sensor is connected by mistake during sensor replacement, “DEF128” fault will be triggered.
Table 3: Data for Oxygen and Toxic Sensors
Gas /
Unit of measure
Standard range
Accuracy
(in % of full scale)
Resolution
Zero drift
Response time
(in seconds)
Expected Life of
Sensor
(in months)
Warranty
(in months)
CL2 ppm (2)
10
< 5 %
0.1 ppm
< 0.5 ppm
per 6 months
< 180
> 12
12
CO ppm
500
< 5 %
1 ppm
< 20 ppm
per 6 months
< 45
24
12
H2 ppm
2000
< 5 %
1 ppm
< 50 ppm
per 6 months
< 150
24
12
H2S ppm
100
< 5 %
1 ppm
< 1 ppm
per 6 months
< 30
24
12
HCN ppm
30
< 5 %
0.1 ppm
< 0.5 ppm
per 6 months
< 90
18
12
NH3 ppm
100
< 5 %
1 ppm
< 3 ppm
per 6 months
< 220
> 12
9
NO ppm
100
< 5 %
1 ppm
< 2 ppm
per 6 months
< 30
> 12
12
NO2 ppm
30
< 5 %
1 ppm
< 1 ppm
per 6 months
< 100
> 12
12
O2 %
by Volume
30
< 0.5 %
volume O2
0.1% vol.
< 2%
per month
< 20
> 12
12
O3 ppm (1)
1
± 0.05 ppm
0.01 ppm
< 0.05 ppm
per 6 months
< 120
12
12
N
OTE
: All specifications stated in this manual may change without notice.
(1) Require use of Sample Draw System. See Figure 5.
(2) Recommended use of Sample Draw System, for enhanced sensitivity and speed of response. See Figure 5.
Example of Sample Draw System
with Sampling Adapter 02552-023
Figure 5: Calibration Adapter with Sample Draw System
MOTORIZED SAMPLE
PUMP
OUT
IN
CHARGE
JACK
ALARM
POWER
Motorized Sample Pump
03700-029
Sample OUT
To Sensor
Ambient Air
Sample IN
Adapter with Fitting for Calibration