PDA 1L - Measurement PCE Instruments - Free user manual and instructions
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| Product Type | Differential Pressure Meter |
| Model | PDA 1L |
| Measurement Range | ±2000 Pa (0 to 20 mbar) |
| Resolution | 0.1 Pa (0.001 mbar) |
| Accuracy | ±0.5% of full scale |
| Display | Large LCD with backlight |
| Dimensions | 150 x 70 x 30 mm |
| Weight | 200 g (including battery) |
| Power Supply | 1 x 9V battery (6F22) |
| Battery Life | Approximately 100 hours |
| Main Functions | Differential pressure, air velocity, volume flow, data hold, min/max/average, auto power off |
| Units of Measure | Pa, hPa, mbar, mmH2O, mmHg, inH2O, inHg, psi |
| Air Velocity Measurement | Via Pitot tube (optional accessory) |
| Data Logging | Manual storage of up to 99 readings |
| Interface | USB (optional cable) |
| Operating Temperature | 0 to 50 °C |
| Storage Temperature | -10 to 60 °C |
| Humidity Range | 0 to 90% RH (non-condensing) |
| Overpressure Protection | Up to 100 kPa |
| Included Accessories | Battery, tubing, carrying case, manual |
| Maintenance | Clean with dry cloth; store in dry environment; calibrate annually |
| Safety | Do not exceed maximum pressure; avoid contact with liquids; replace battery promptly |
| Spare Parts & Repairability | Contact PCE Instruments for replacement battery, tubing, or repair service |
Frequently Asked Questions - PDA 1L PCE Instruments
How do I measure differential pressure with the PDA 1L?
Connect the provided tubing to the high and low pressure ports. Turn on the device and select the desired unit. Apply the pressure sources to each port. The display will show the pressure difference.
Can the PDA 1L measure air velocity?
Yes, using an optional Pitot tube accessory. Set the device to air velocity mode and connect the Pitot tube to the pressure ports. The meter calculates velocity based on dynamic pressure.
What is the battery type and how do I replace it?
The PDA 1L uses a standard 9V battery (6F22). Open the battery compartment on the back, remove the old battery, and insert a new one. Ensure correct polarity.
How do I set the zero point?
With no pressure applied to both ports, press the ZERO button. The display should read 0.00. If not, repeat the zeroing procedure. For best accuracy, zero before each measurement.
What does the 'HOLD' button do?
The HOLD button freezes the current reading on the display. Press it again to release the hold and resume live measurement. This is useful for recording values in hard-to-reach places.
How can I store readings?
The PDA 1L can store up to 99 readings manually. Press the STORE button to save the current display value. Retrieved later using the RECALL function.
Is the PDA 1L suitable for HVAC applications?
Yes, it is widely used for measuring pressure drops across filters, coils, and ducts. It can also measure static pressure and air velocity in ventilation systems.
How often should the device be calibrated?
PCE Instruments recommends annual calibration to ensure accuracy. You can send the meter to PCE or an accredited lab for calibration.
What should I do if the display shows 'OL'?
'OL' means overload, indicating the applied pressure exceeds the measurement range. Immediately reduce the pressure to prevent damage. Check for blockages in the tubing.
Can I connect the PDA 1L to a computer?
Yes, via an optional USB interface cable and software. This allows data logging and real-time monitoring on a PC.
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USER MANUAL PDA 1L PCE Instruments
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Product information
Brand : PCE Instruments
Model : PDA 1L
Category : Measurement