Portable Digital Pressure Manometer (Data Hold)

This Portable Digital Pressure Manometer (Data Hold) which measures differential, positive and negative pressure in 11 selectable units of measure with a built-in data hold function.

GT00XQ00ZW

Description

Overview

GAOTek Portable Digital Pressure Manometer (Data Hold) which measures differential, positive and negative pressure in 11 selectable units of measure with a built-in data hold function. This manometer is equipped with a simple hose connection device. The 11 selectable units of measure include inH2O, Psi, Mbar, kPa, inHg, mmHg, Ozin2, ftH2O, cmH2O, Kgcm2, and Bar. This manometer is a versatile instrument for measurement of different pressure levels, for testing ventilation and air conditioning system, and for spot checking rooms. It is easy to operate and gives clear readings and therefore is indispensable for HVAC technicians, maintenance engineers, and science researchers.

Key Features

  • 11 Selectable Units of Measure
  • Dual LCD Display
  • Backlight Button
  • Low Battery Indicator
  • Automatic Power-Off
  • Data Hold and Error code
  • Shows Max/Min/Average, with a relative time
  • Over Range/ Under Range Indicator

Technical Specifications

Accuracy ± 0.3 % FSO 77 °F (25 °C)
Repeatability ± 0.2 % (Max ± 0.5 % FSO)
Linearity/Hysteresis ± 0.29 % FSO
Maximum Pressure 10 psi
Response Time 0.5 seconds typical
Power Supply 1 × 9 V (Included) or External 9 V DC
Dimension 6.69 in x 2.16 in x 1.3 in (170 mm x 55 mm x 33 mm)
Weight 5.82 oz. (165 g)
Operating Temperature 32 °F to 122 °F (0 °C to 50 °C)
Storage Temperature 14 °F to 140 °F (-10 °C to 60 °C)

Functional Specifications:

Function Range Resolution
InH2O ± 55.40 0.01
Psi ± 2.000 0.001
Mbar ± 137.8 0.1
kPa ± 13.79 0.01
inHg ± 4.072 0.001
mmHg ± 103.4 0.1
Ozin2 ± 32.00 0.01
ftH2O ± 4.612 0.001
cmH2O ± 140.6 0.1
Kgcm2 ± 0.140 0.001
Bar ± 0.137 0.001

Meter Diagram

A.REC
B.BACKLIGHT

  1. UNITS
  2. DIF
  3. HOLD
  4. ON/OFF

Display Description

  1. Hold Function
  2. Differential Mode
  3. Primary Data Screen
  4. Record Mode
  5. MAX/MIN/AVG
  6. Low Battery Indicator
  7. Pressure Unit Indicator
  8. Relative Time Clock

Operation
1.ON/OFF button
To turn on or off the power
Press the ON/OFF button to turn on the power of manometer. When turned on, the screen will be displayed for about two seconds and then will display the normal measurement mode.
2.Clearance button
When turned on, if there is no input differential pressure, instrument will not be cleared by itself. Necessarily need to be manually cleared, press the HOLD button for about 5 seconds, the screen will show –  it will be cleared later.
3.Units button
By intermittently pressing the UNITS button various units will appear at the bottom of the screen. These units are as follows: bar, mmHg, Ozin2, Kgcm2, psi, inH20, inHg, cmH2O, and mbar.
4.DIF button
The pressure value when pressing the DIF button subtracting the pressure value before pressing.
5.HOLD button
Pressing the HOLD button will keep the current measured result. Pressing once more will lift the hold function.
6.REC button
This button is on the side of the instrument, intermittent pressing of this button will display the maximum, minimum, average result during the process of recording measuring. Meanwhile the other function buttons are locked and cannot be operated. Long pressing the REC button for about 5 seconds will quit the recording mode.
7.Backlit button
Pressing the backlight button will turn on the backlight. This function can be used in a dark environment. Press the backlight button again to turn off the backlight.
8.Automatic Power-Off function
It will automatically power-off the instrument if not used for more than 25 minutes. This can extend the battery life. If you do not want to turn off the power, press HOLD button first, then press the ON/OFF button to start.
LCD will show “ON” to close the function of automatic power-off.
Error Codes
An error message will appear on the display if the meter fails an internal diagnostic test.

  1. Err 1: Pressure value is over the range.
  2. Err 2: Pressure value is below the range.

Battery Replacement
When the battery power falls low, “BAT” will appear on the LCD. Replace the 9 V battery.

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