Description
The Si-PM3 is a compact and reliable digital differential pressure manometer, designed for precise pressure measurements in HVAC, air balancing, and ventilation testing applications. With a wide measuring range of -150 to +150 hPa (-60 to 60 inH₂O), it delivers accurate results for low-pressure environments.
This versatile device features a backlit LCD screen for clear visibility in all lighting conditions and a magnetic backing for hands-free operation during fieldwork. It also supports optional air velocity and airflow measurements when used with a Pitot tube, making it ideal for duct diagnostics and system performance checks. A durable carrying bag is included for easy transport and protection.
Features:
- 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-rated
- Keypad: 1 ON/OFF & Backlight key, 1 Hold/Min/Max/Live & Autozero key
- Standards & Directives: 2011/65/EU RoHS II (EU)2015/863, 2012/19/EU WEEE, 2014/53/EU RED
- Power Supply: 3 AAA (LR03) 1.5V alkaline batteries
- Battery Life: Up to 170 hours (without backlight and wireless communication)
- Frequency: 2402–2480 MHz, 0 dBm transmit power
- Range: Up to 15 m (98 ft), depending on smartphone signal
- Compatibility: Android 5.0+, iOS 12.4+, BLE 4.0
- Ambiance: Suitable for air and neutral gases
- Temperature: 0°C to 50°C (32°F to 122°F)
- Altitude: 0 to 2000 m (6561 ft)
- Non-condensing conditions only
- Storage Temperature: -20°C to +70°C (-4°F to 158°F)
- Auto Shut-off: After 10 minutes (can be disabled)
Kit Includes:
- 2x clear tubes Ø4×6 mm, 1 m (39.37″) length
- Certificate of Conformity
- Quick Start Guide
- 3 AAA (LR03) 1.5 V alkaline batteries
- Carrying bag
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