Features
- Easy to read LCD display
- Easy operation
- Self diagnosis
- Less interference with other gases
- Measures 0.005 pm
- No warm-up time
- Available download to PC
- Resolutions 0.005 ppm
- Read-out of sample in 30 minutes
Applications
- Furniture and woodworking
- Coating and varnishing
- Engineered wood products
- Medical/veterinary
- Painting & corrosion-resistant finishes
- Carpet manufacture & storage
- Adhesives
- Heat treatment options
- Mortuary
FP-31 Portable Formaldehyde Gas Detector Overview
The portable formaldehyde gas detector model FP-31 is a precision gas analyser that measures gases in the ppm range using the photoelectric photometry method with chlorimetric detection tabs. This device is a highly sensitive portable instrument with an easy-to-read LCD display. The unit can detect very low levels of formaldehyde to confirm whether an area has safe breathing levels. There are no known interfering gases, as shown on the chart on the reverse side of this sheet.
Inbuilt Microprocessor
The built-in microprocessor-controlled sample pump of the FP-31 draws the sample over the tab, providing a direct digital readout. The inbuilt data logger will store up to 99 readings that can be viewed on the display or downloaded onto a PC. The FP-31 is designed to monitor formaldehyde at levels below the World Health Organisation level of 0.08 ppm (based on an average reading over 30 minutes, with a resolution of 0.005 ppm). There are two ranges available for this model.
Detection
The portable formaldehyde gas detector FP-31 uses a photoelectric photometry method that utilises colourimetric tablets for detection. A tablet is placed into the instrument, and then a room air sample is pumped onto the tablet for either 15 or 30 minutes. If formaldehyde is present, it will cause the chemically impregnated tablet surface to darken or stain.
The Stain
The magnitude of the stain directly correlates to the level of formaldehyde in the air. The darkness of the stain is measured by an optical sensor in the portable formaldehyde gas detector model FP-31, and the instrument then calculates the formaldehyde concentration. The portable formaldehyde gas detector model FP-31 then has a direct readout of the formaldehyde measurement on an easy-to-read LCD display. The unit can detect very low levels of formaldehyde to confirm whether an area has safe breathing levels. There are no known interfering gases, as shown on the chart on the reverse side of this sheet.
FP-31 Portable Formaldehyde Gas Detector Specifications
| Detection gas | Formaldehyde (HCHO) in air | |
| Detection range | TAB No.008
0‐0.4 ppm |
Tab No.009
0‐1.00 ppm |
| Detection Time | 30 min. (1,800 sec) | 15 min. (900 sec) |
| Resolution | 0‐005 ppm | 0.01 ppm |
| Detection principle | Photoelectric Photometry method | |
| Detection method | Colorimetric tablet method (Accumulating measurement) | |
| Display | Digital LCD | |
| Sampling method | Sample drawing with built‐in pump | |
| Operating conditions | ‐10°C +40°C, below 90%RH (non‐condensing) | |
| Memory | Detection point: Up to 99 points (automatic recording at completion of measurement) | |
| Self‐Diagnosis | Sensor failure, Pump failure, Battery error, System failure | |
| Power Source | AA size Alkaline batteries (4pcs) | |
| Continuous operating time | Approx 12 hours (with no alarm or backlight, with alkaline battery at 20°C) | |
| Dimensions | Approx 8cm (W) x 15cm (H) x 4cm (D) | |
| Weight | Approx 250g without dry‐cell battery | |
| Standard Accessories | Detection TAB (20 pcs/pack)
Detection TAB (20 pcs/pack) AA size Alkaline batteries Attachment for tripod stand Operating Manual Inspection certificate |
|
| Optional Accessories | Data logger software
Filter |
|
Interference against other gases (typical)
| Test Gas | Concentration | Reading |
| Toluene | 1.0% vol | 0 ppm |
| Benzene | 1.0% vol | 0 ppm |
| Acetoaldehyde | 100 ppm | 0 ppm |
| Carbon Monoxide | 50 ppm | 0 ppm |
| Carbon Dioxide | 1.0% vol | 0 ppm |
| Ammonia | 25 ppm | 0 ppm |
| Acetone | 1.0% vol | 0 ppm |
- Overview
-
FP-31 Portable Formaldehyde Gas Detector Overview
The portable formaldehyde gas detector model FP-31 is a precision gas analyser that measures gases in the ppm range using the photoelectric photometry method with chlorimetric detection tabs. This device is a highly sensitive portable instrument with an easy-to-read LCD display. The unit can detect very low levels of formaldehyde to confirm whether an area has safe breathing levels. There are no known interfering gases, as shown on the chart on the reverse side of this sheet.
Inbuilt Microprocessor
The built-in microprocessor-controlled sample pump of the FP-31 draws the sample over the tab, providing a direct digital readout. The inbuilt data logger will store up to 99 readings that can be viewed on the display or downloaded onto a PC. The FP-31 is designed to monitor formaldehyde at levels below the World Health Organisation level of 0.08 ppm (based on an average reading over 30 minutes, with a resolution of 0.005 ppm). There are two ranges available for this model.
Detection
The portable formaldehyde gas detector FP-31 uses a photoelectric photometry method that utilises colourimetric tablets for detection. A tablet is placed into the instrument, and then a room air sample is pumped onto the tablet for either 15 or 30 minutes. If formaldehyde is present, it will cause the chemically impregnated tablet surface to darken or stain.
The Stain
The magnitude of the stain directly correlates to the level of formaldehyde in the air. The darkness of the stain is measured by an optical sensor in the portable formaldehyde gas detector model FP-31, and the instrument then calculates the formaldehyde concentration. The portable formaldehyde gas detector model FP-31 then has a direct readout of the formaldehyde measurement on an easy-to-read LCD display. The unit can detect very low levels of formaldehyde to confirm whether an area has safe breathing levels. There are no known interfering gases, as shown on the chart on the reverse side of this sheet.
- Specifications
-
FP-31 Portable Formaldehyde Gas Detector Specifications
Detection gas Formaldehyde (HCHO) in air Detection range TAB No.008 0‐0.4 ppm
Tab No.009 0‐1.00 ppm
Detection Time 30 min. (1,800 sec) 15 min. (900 sec) Resolution 0‐005 ppm 0.01 ppm Detection principle Photoelectric Photometry method Detection method Colorimetric tablet method (Accumulating measurement) Display Digital LCD Sampling method Sample drawing with built‐in pump Operating conditions ‐10°C +40°C, below 90%RH (non‐condensing) Memory Detection point: Up to 99 points (automatic recording at completion of measurement) Self‐Diagnosis Sensor failure, Pump failure, Battery error, System failure Power Source AA size Alkaline batteries (4pcs) Continuous operating time Approx 12 hours (with no alarm or backlight, with alkaline battery at 20°C) Dimensions Approx 8cm (W) x 15cm (H) x 4cm (D) Weight Approx 250g without dry‐cell battery Standard Accessories Detection TAB (20 pcs/pack) Detection TAB (20 pcs/pack)
AA size Alkaline batteries
Attachment for tripod stand
Operating Manual
Inspection certificate
Optional Accessories Data logger software Filter
Interference against other gases (typical)
Test Gas Concentration Reading Toluene 1.0% vol 0 ppm Benzene 1.0% vol 0 ppm Acetoaldehyde 100 ppm 0 ppm Carbon Monoxide 50 ppm 0 ppm Carbon Dioxide 1.0% vol 0 ppm Ammonia 25 ppm 0 ppm Acetone 1.0% vol 0 ppm - Downloads
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