مشخصات فني


رنج اندازه گیری فشار : 5 psi =351 mbar

رنج اندازه گیری سرعت باد : 0.40 to 30.00 M/s

با قابلیت همزمان دما و فشار و سرعت باد و فلو

با قابلیت اتصال به کامپیوتر و ثبت AVG- MIN – MAX

به همراه کیف حمل CD , USB , PROBE  و دفترچه راهنما
 
 

ST-8890/8890A/8890B/8890C Differential Pressure Manometers

The device measures Gauge/Differential Pressure, it features 11 selectable units of measurement: inH2O, psi, bar, mbar, kPa, inHg, mmHg, ozin, ftH2O, cmH2O, kgcm. Additional features including Data Hold, Auto Power Off disabled, and an USB for capturing reading to a PC using optional software. Careful use of this meter will provide years of reliable service.

8890B measures Differential Pressure from –20Pa to+20Pa and connect to the printer

GPT-4379 with USB interface.

8890C measures Gauge/Differential Pressure from -13.86 inH2O to +13.86 inH2O (0.5 psi)
 
 

Features：

1.Large Dual LCD with backlight

2.Data Hold

3.Max / Min / Avg value with relative time stamp

4.Optional USB software

5.Zero Adjust, Offset and DIF function

6.Low battery indication and Auto Power Off
 

Specifications:

 

8890

8890A

8890B

8890C

Accuracy

±0.3%FSO

±0.3%FSO

±2%FSO

±0.3%FSO

Repeatability

±0.2% (Max.+/ -0.5% FSO)

±0.2% (Max.+/ -0.5% FSO)

±2% (Max.+/ -0.5% FSO)

±0.2% (Max.+/ -0.5% FSO)

 

Linearity

/Hysteresis

±0.29% FSO

±0.29% FSO

±2% FSO

 

±0.29% FSO

PressureRange

±5PSI (±138.3 inH2O)

±2PSI (±55.40 inH2O)

±0.5PSI (±13.83 inH2O)

±20PA (±554.0 inH2O)

Units

and

Resolution

inH2O

0.1

inH2O

0.01

inH2O

0.001

inH2O

0.01

PA

0.001

PA

0.001

 

 

PA

0.001

mbar

0.1

mbar

0.1

mbar

0.001

mbar

0.01

kPa

0.01

kPa

0.01

Pa

0.1

kPa

0.001

inHg

0.001

inHg

0.001

inHg

0.0001

inHg

0.001

mmHg

0.1

mmHg

0.1

mmHg

0.001

mmHg

0.01

ozin2

0.01

ozin2

0.01

 

 

ozin2

0.01

ftH2O

0.01

ftH2O

0.001

 

 

ftH2O

0.001

cmH2O

0.1

cmH2O

0.1

cmH2O

0.001

cmH2O

0.01

 

kgcm

0.001

kgcm

0.001

 

 

kgcm2

0.001

 

bar

0.001

bar

0.001

 

 

bar

0.001

 

Accessories:

9V battery, USB cable, 9V power supply, Software, soft tube and gift box with carrying case.