| Specifications for Digital Gauge Model: | DM32W | 
        
            | Dimensions: | 5.8" × 3.6" × 1.4" (14.7 × 9.2 × 3.5 cm) | 
        
            | Weight: | 12 oz (340 g) | 
        
            | Power: | 4200 mAh LiPoly rechargeable battery.  Integrated on board charging circuit. Up to 11 hours battery life on a single charge. (Battery life and charge cycles vary by use and settings; actual results will vary.) | 
        
            | Screen type: | QVGA Color touchscreen LCD display | 
        
            | Screen dimensions: | 3.2” (8.2 cm) diagonal, 2.6" × 1.9" (6.6 × 5.0 cm) | 
        
            | Microcontroller: | 32 bit | 
        
            | Pressure channels: | 2 independent pressure channels (“A” & “B”) | 
        
            | Pressure sensor type: | Digital | 
        
            | Pressure range: | DM32-4A -995 Pa to +995 Pa (-4 to +4 in W.C.)
   DM32-20A -4,976 Pa to +4,976 Pa (-20 to +20 in W.C.)
   * DM32-20A started shipping Jan 2015 * DM32-4A started shipping Oct 2017   DM32-10A -2,488 Pa to +2,488 Pa (-10 to +10 in W.C.)
 | 
        
            | Pressure resolution: | 0.1 Pa (0.0004 in WC, 0.002  psf) | 
        
            | Pressure accuracy: | DM32-4A ±1% of pressure reading or ±0.25 Pa (whichever is greater)
 DM32-20A ±1% of pressure reading or ±1.0 Pa (whichever is greater)
   DM32-10A +/- 0.4% of pressure reading 22 or +/- .07 Pa @ 22 degree (C)
 +/- 0.6% of pressure reading 22 or +/- .15 Pa @ 0 – 44 degree (C) +/- 0.9% of pressure reading 22 or +/- 1 Pa @ 70 degree (C) | 
        
            | Pressure accuracy calibration meets: | USACE, ASTM E779-10, CGSB-149.10, EN 13829, UK ATTMA TSL1 and TSL2, NFPA 2001, ISO 14520, EN15004 | 
        
            | Operating temperature: | -40 to 130 F (-40 to 85 C) | 
        
            | PC Connectivity options (MS Windows only): | Ethernet (direct or over network), USB (direct), Wireless via WiFi | 
        
            | WiFi 802.11 protocols: | b/g/n | 
        
            | Recommended calibration interval: | Every 5 years |