Formaldehyde, 5 - 150 ppb, Part # 8610540

Measuring Range:

5 to 150 ppb

Typical Measuring Time:

approx. 360 to 960 s

Accuracy:

± 25 % (under calibration conditions)

Ambient Conditions:

Temperature:

15 to 35 °C

Temperature correction:

none

Humidity:

4 to 18 mg/L

Humidity correction:

< 8 mg/L š 40 % from measurement value per mg/L

8 to 12 mg/L š none

> 12 mg/Lš -10 % from measurement value per mg/L

Cross Sensitivity:

No influence at 75 ppb formaldehyde by: 0.5 ppm acrolein 10 ppm vinyl acetate 100 ppm styrene 100 ppb acetaldehyde

Hose and probe measurement

The following flushing time recommendations for hose and probe measurements are marked with a brand-new, dry and clean hose and probes 

 Hose                                           Length (meter)                    Flashing time (min) 

FKM Hose                                         5-20                                          3

FKM hose                                         45                                              5

PTFE-lined PVC hose                        3                                                3

PTFE-lined PVC hose                        15                                             10

Bar probe 90 (83 16 532)                                                                   1

Telescopic probe ES 150 (83 16 533)                                                 2

Probe Set GP600 (83 28 667)                                                             3