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Martindale PM85 Differential Manometer
Measure differential pressure with high levels of accuracy using this Martindale pressure meter!
Capable of measuring pressure in eight different units (mmH20, mmHg, psi, inH20, inHg, hPa, mbar and Pa) the PM85 can measure pressure up to 1.45psi (100mbar) or the equivalent range for other units (see tech specs table for full list of ranges). It is also possible to use the PM85 to measure air speed, but this requires an optional pitot tube (sold separately - please call for inquiries).
As well as standard measurements, the PM85 can calculate MAX, MIN (or both values together) and average measurements so you can get an idea of what measurements are happening over a time period.
Martindale PM85 Differential Manometer Key Features
- Differential pressure measurement to 1.45psi (100mbar)
- Eight selectable pressure units - mmH20, mmHg, psi, inH20, inHg, hPa, mbar and Pa
- Air speed measurements using a pitot tube (sold separately)
- Data hold function temporarily stores the last value taken
- MAX/MIN function
- Average function
- Auto power off when left idle
- Low battery indicator
- LCD display with backlight for use in poor lighting conditions
- Pocket-sized design
What's Included?
- Martindale PM85 Differential Manometer
- Protective Cover
- 2 x 1.5V AAA Batteries
- Carrying Strap
- Instructions
Amprobe PM85 Technical Specifications
All specified accuracies are at 23°C ± 5°C, <70% RH for 1 year
Temperature coefficient: 0.1 x (specified accuracy) per °C (0 to 18°C, 28 to 50°C)
| Pressure | ||
|---|---|---|
| Unit of Measurement | Range | Resolution |
| mmH20 | 0 to 1019.7 | 0.1 |
| mmHg | 0 to 75 | 0.01 |
| psi | 0 to 1.45 | 0.001 |
| inH20 | 0 to 40.14 | 0.01 |
| inHg | 0 to 2.953 | 0.001 |
| hPa | 0 to 100 | 0.01 |
| mbar | 0 to 100 | 0.01 |
| Pa | 0 to 10000 | 1 |
| Accuracy | 0 to 0.3 hPa ± 0.03 hPa 0.3 to 1 hPa ± 0.05 hPa 1 to 100 hPa ± (0.1 hPa+1.5% of reading) 0 to 3 mmH2O ± 0.3 mmH2O 3 to 10.2 mmH2O ± 0.5 mmH2O 10.2 to 1019.7 mmH2O ± (1.02 mmH2O + 1.5% of reading) |
|
| General Specifications | ||
| Display | Liquid Crystal (LCD) | |
| Measurement Rate | Twice per second | |
| Power | 2 x 1.5V AAA alkaline batteries (IEC LR03, NEDA 24A) | |
| Continuous Operating Time | 85 hours typical | |
| Low Battery Indicator | Symbol displayed when battery voltage drops below operating level | |
| Auto Power Off | Approx 10 minutes | |
| Dimensions (L x W x D) | 132.9 x 50.9 x 24.7mm | |
| Weight | 113g approx incl. batteries | |
| Environmental | ||
| Operating Environment | 0 to 50°C at <70% RH | |
| Storage Environment | -20 to 60°C, <80% RH with batteries removed |
|
| EMC | Conforms to BS EN61326-1 | |
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Additional Information
| SKU | MARPM85 |
|---|---|
| Manufacturer Part Code | MARPM85 |
