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Trust. Science. Innovation.
Trust. Science. Innovation.
Used to balance hydronic heating and cooling systems, check pump performance and to set balancing valves. Measures and displays differential, high side, and low side pressure simultaneously, without having to change hose connections or instrument valve settings.
Used to balance hydronic heating and cooling systems, check pump performance and to set balancing valves. Measures and displays differential, high side, and low side pressure simultaneously, without having to change hose connections or instrument valve settings.
Features and Benefits
Applications
| Pressure | |
| Differential Range | -300 to 300 psi (-2,068 to 2,068 kPa) |
| Gauge Range | -20 to 300 psi (-138 to 2,068 kPa) |
| Resolution | 0.001 psi (0.01 kPa) |
| Accuracy | ±1% of reading plus .072 psi (0.5 kPa) |
| Units | psi, inH2O, ftH2O, kPa, mmHg, inHg, mH2O, bar |
| Pressure Connection | 1/4" 37° flare fitting, Male |
| Temperature | |
| Operating | 40 to 113°F (5 to 45°C) |
| Storage | -4 to 140°F (-20 to 60°C) |
| Liquid Media | 32 to 180°F (0 to 82°C) |
| Probe | -40 to 250°F (-40 to 121°C) |
| Accuracy | ±0.5°F (0.3°C) from 32 to 160°F (0 to 71°C); max ±2.0°F (1.2°C) from -40 to 32°F (-40 to 0°C) and from 160 to 250°F (71 to 121°C) |
| Units | °F, °C |
| Flow | |
| Range | -22,712 to 22,271 m3/h, -99,999 to 99,999 USGPM (-6,309 to 6,309 l/s) |
| Resolution | 0.0001 USGPM (0.00001 l/s) |
| Accuracy | Per pressure accuracy + valve deviation |
| Units | USGPM, UKGPM, m3/h, l/s, l/m |
Click on a category to view a selection of compatible accessories with the TSI/Alnor HM685 Hydronic Manometer.
| Pressure | |
| Differential Range | -300 to 300 psi (-2,068 to 2,068 kPa) |
| Gauge Range | -20 to 300 psi (-138 to 2,068 kPa) |
| Resolution | 0.001 psi (0.01 kPa) |
| Accuracy | ±1% of reading plus .072 psi (0.5 kPa) |
| Units | psi, inH2O, ftH2O, kPa, mmHg, inHg, mH2O, bar |
| Pressure Connection | 1/4" 37° flare fitting, Male |
| Temperature | |
| Operating | 40 to 113°F (5 to 45°C) |
| Storage | -4 to 140°F (-20 to 60°C) |
| Liquid Media | 32 to 180°F (0 to 82°C) |
| Probe | -40 to 250°F (-40 to 121°C) |
| Accuracy | ±0.5°F (0.3°C) from 32 to 160°F (0 to 71°C); max ±2.0°F (1.2°C) from -40 to 32°F (-40 to 0°C) and from 160 to 250°F (71 to 121°C) |
| Units | °F, °C |
| Flow | |
| Range | -22,712 to 22,271 m3/h, -99,999 to 99,999 USGPM (-6,309 to 6,309 l/s) |
| Resolution | 0.0001 USGPM (0.00001 l/s) |
| Accuracy | Per pressure accuracy + valve deviation |
| Units | USGPM, UKGPM, m3/h, l/s, l/m |
Click on a category to view a selection of compatible accessories with the TSI/Alnor HM685 Hydronic Manometer.
