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PROTRONICS CO.,LTD.

73 Measuring Instruments Store
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Di�erential Pressure Meter เครื่องวัดความดันลม

Specifications

Attribute HD700 HD750 HD755
psi 2psi 5psi 0.5psi
inH2O 55.40inH2O 138.3inH2O 13.85inH2O
mbar 137.8mbar 344.7mbar 34.47mbar
kPa 13.78kPa 34.47kPa 3.447kPa
inHg 4.072inHg 10.18inHg 1.018inHg
mmHg 103.4mmHg 258.5mmHg 25.85mmHg
ozin2 32ozin2 80ozin2 8.00ozin2
ftH2O 4.616ftH2O 11.53ftH2O 1.154ftH2O
cmH2O 140cmH2O 350.1cmH2O 2.59cmH2O
kgcm2 0.140kgcm2 0.351kgcm2 0.035kgcm2
bar 0.137bar 0.344bar 0.034bar
Basic Accuracy ±0.3%FS ±0.3%FS ±0.3%FS
Dimensions/Weight Meter: 8.2x2.9x1.9" (210x75x50mm)/ 9.8oz (280g)

GM510

Specifications

Attribute GM520 GM511 GM510
Measuring range ±35kPa ±10kPa ±10kPa
Accuracy ±0.3%FSO(25 °C) ±0.3%FSO(25 °C) ±0.3%FSO(25 °C)
Repeatability ±0.2%(Maximum±0.5%FSO) ±0.2%(Maximum±0.5%FSO) ±0.2%(Maximum±0.5%FSO)
Linear/Lagging ±0.29%FSO ±0.29%FSO ±0.29%FSO
Response time 0.5 s 0.5 s 0.5 s
Low power alarm Yes Yes Yes
Out of + range alarm Err.1 Err.1 Err.1
Out of - range alarm Err.2 Err.2 Err.2
Working temp. 0~50°C 0~50°C 0~50°C
Storage temp. -10~60°C -10~60°C -10~60°C
Battery 1.5V AAA battery*4 1.5V AAA battery*4 1.5V AAA battery*4
Resolution 0.01Kpa 0.01Kpa 0.01Kpa
Max Pressure 150Kpa 50Kpa 50Kpa
Temp. Compensation Yes Yes No

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