Dwyer Instruments - Series HM28

Series HM28

Handheld Digital Manometer

High Accuracy (0.2%, 0.1% or 0.05%), Differential, Gage or Absolute


	Pressure Connection: Hose; 4/6 mm or 1/8" NPT. Accuracy: (includes linearity, hysteresis, and repeatability): per order code. ±0.20% full scale ±1 digit. ±0.10% full scale ±1 digit. ±0.05% full scale ±1 digit. Measuring Media: Instrument Air or Inert Gases. For HM28G3XXXXX, Any material compatible with 18/8 stainless steel. Temperature Limits: 23 to 122°F (-5 to 50°C). Storage Temperature: -4 to 140°F (-20 to 60°C). Humidity: 30 to 95% rH, non-condensing. Display: 2 line, 16 character, dot matrix LCD, with switchable display sizes. Battery: 9V alkaline (included). Can operate from external power supply of 7 to 14 VDC. Current Consumption: <9 mA. Memory: 964 measured values. Recording intervals adjustable from manual, 1, 5, 10, 20, 30 seconds, 1, 2, 3, 5, 10, 30, 60 minutes. Case Protection: IP54. Case Dimensions: 6 x 3.27 x 1.34 in (152 x 83 x 34 mm). Weight: 9.5 oz (270 g). Maximum Measurement Rates: Stand alone: 2-1/2 readings/sec (0.1% and 0.05% ratings), 5 readings/sec (0.2% rating). Output to RS-232: 20 measurements/sec (0.2% rating). 10 measurements/sec (0.1% and 0.05% ratings). RS-232 Baud Rate: Adjustable, 1200, 2400, 4800, or 9600 baud.