Đồng hồ đo áp suất khí Retrotec DM2
Specifications for Digital Gauge Model:
DM-2
Gauge dimensions:
8.8" × 4.3" × 3.0" (22.2 × 10.8 × 7.6 cm)
Weight:
14 oz (397 g)
Power:
A/C (country specific plug and voltage options) or (4) AA Batteries.
Screen type:
Monochrome non-touchscreen LCD display
Screen dimensions:
2.7” (6.8 cm) diagonal, 2.4" × 1.3" (6.0 × 3.3 cm)
Microcontroller:
8 bit
Pressure channels:
2 independent pressure channels (“A” & “B”)
Pressure sensor type:
Analog
Pressure range:
-1250 Pa to +1250 Pa (-5 to +5 in WC)
Pressure resolution:
0.1 Pa (0.0004 in WC, 0.002 psf)
Pressure accuracy:
±1% of pressure reading or ±0.15 Pa (whichever is greater)
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 (0 to 53 C)
PC Connectivity options:
USB
Recommended calibration interval:
Every 2 years