Sauermann Si-PM3 Digital Differential Pressure Manometer

Pressure:

Measuring units: hPa, mbar, Pa, mmH2O, inH2O, inHg, psi

Accuracy:

±(1.5% of value +0.2 hPa)

±(1.5% of value +0.09 inH2O)

Measuring range:

from -150 to +150 hPa

from -60 to 60 inH20

Resolution: 0.01 hPa/ 0.001 psi/ 0.01 inH20/ 1 Pa/ 0.01 mbar/ 0.1 mmH2O/ 0.001 inHg

Airflow

Measuring units: m3/h, m3/min, m3/s, cfm

Measuring range: from 0 to 9999 m3/h

Resolution: 1 m3/h / 0.001 m3/s /0.01 m3/min / 0.1 ft3/min

Air velocity

Measuring units: m/s, fpm

Measuring range:

from 2 to 80 m/s

from 394 to 15748 fpm

Resolution: 0.1 m/s/ 1 fpm

Measuring element: Piezoresistive sensor

Admissible overpressure: 750 mbar (301 inH2O)

Connector: Stepped connectors from Ø 5.1 to 6.2 mm

Display: Integrated 2-line LCD 7 segment monochrome display with backlight

Housing: ABS-PC and TPE, IP40

Keypad:

1 ON/OFF & Backlight key

1 Hold/Min/Max/Live & Autozero key

Power supply: 3 alkaline batteries LR03 AAA 1.5 V

Battery life: 170 hours* (without backlight and without wireless communication)

Wireless communication:

Range frequency from 2402 MHz to 2480 MHz with a transmit power of 0 dBm.

Range up to 15 m (98 ft), depending on smartphone radio strength.

Minimum required versions: Android 5.0, iOS 12.4, BLE 4.0

Ambiance: Air and neutral gases

Operating conditions: From 0 to 50°C (32 to 122°F). In non condensing conditions.

Altitude: from 0 to 2000 m (6561’).

Storage temperature: From -20 to +70°C (-4 to 158°F)

Auto shut-off: 10 minutes (can be deactivated)

Weight (with batteries): 200 g (7 oz)

Datasheet