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Basic Manometer for Ultra Low Pressure Ranges

0 to 20 inH2O, Gauge


Item# HHP680

Volume discounts available
Volume Discount Schedule
Quantity Price each
1-9 $212.61
10-24 $201.98
25-49 $197.73
50-99 $189.22
100+ $184.97

In stock

Lead Time (If not in stock): 12 weeks
0 to 20 inH2O, Gauge HHP680 HHP680
  • Low Cost
  • Portable & Simple to Use
  • Auto Zero Power
  • Backlight

HHP680 Model Options

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Edit these specs to order a different model. Not all combinations are valid. Options compatible with previous selections will be in bold.

*Highlighted options are not compatible. Please select a different combination.

Pressure Type
Accuracy Class
Accuracy Value
Number Of Digits

  • Battery Life 150 hours typical. No measurable current when in “off” position. Batteries included.
  • Battery Size AAA
  • Batteries Included Yes
  • compatible media Clean
  • Battery Type Alkaline
  • Display Type LCD
  • Form Factor Handheld
  • Maximum Ambient Humidity 15 to 90% R.H>
  • Maximum Storage Temperature 60 {C} (140 {F})
  • Measurement Type Pressure
  • Minimum Storage Temperature -20 {C} (-4 {F})
  • Number of Batteries 4
  • Number of Display Digits 3 1/2
  • Power Source Battery
The HHP680 is a low-cost, versatile handheld manometer and one of many Omega Quality manometers. The unit comes complete with tubing, fitting, soft carrying case and batteries. Typical applications include HVAC, commercial and automotive.

31/2 digit liquid crystal display (LCD) with a maximum reading of 1999
Low Battery Indication: displays when battery is below operating level
Storage Temperature: -20 to 60°C (-4 to 140°F), 0 to 80% R.H. with battery removed from meter
Accuracy: ±2% at 23°C (75°F) ± 5°C, <75% relative humidity
Dimensions: 190 H x 44 W x 40 mm D (7.5 x 1.7 x 1.6")
Weight: approx. 150 g (5.3 oz) including battery
Battery: 1.5 V x 4 pcs, AAA size)
Sensor: Solid state
Range: 0 to 508 mm (0 to 20") water column
Resolution: 0.01/0.1 in WC Operating
Temperature: 0 to 40°C (32 to 105°F)
Operating Relative Humidity: 15 to 90% R.H>, non-condensing
Battery Life: 150 hours typical. No measurable current when in “off” position. Batteries included.
Compatible Media: Clean, dry non-corrosive gases
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Can I get this get calibrated? Can a calibrated cert be supplied with purchase?

Asked by: CourtS
Thank you for your inquiry HHP680 with a nist Calibration certificate, the part number would be HHP680-CAL-3
Answered by: application engineer je
Date published: 2020-09-02
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