Retrotec DM32 Manual do Utilizador descarregar pdf (Página 4)

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©Retrotec Inc. 2014

Table of Contents

Important equipment-related safeguards ..................................................................................................... 8

1. Introducing the Retrotec DM32 series of digital gauge .................................... 9

2. Gauge overview ............................................................................................ 10

2.1 Make connections to the gauge ..................................................................................................... 10

2.2 Charge the battery in the gauge ..................................................................................................... 11

2.3 Power the gauge on and off – press for 2 seconds ........................................................................ 12

2.4 Read Results and control the gauge from the Home screen.......................................................... 12

2.5 Observe icons on Top Bar to monitor gauge status ....................................................................... 14

2.5.1. What speed is being sent to the fan on the “Fan Speed” output? ........................................ 14

2.5.2. Over what time period is the Result being averaged? .......................................................... 14

2.5.3. Result display can be frozen to write down values ............................................................... 14

2.5.4. Is the gauge connected to a Network? .................................................................................. 14

2.5.5. How much battery life is left in the gauge? ........................................................................... 14

2.6 Use keys on the Home screen to control gauge operation ............................................................ 16

2.6.1. [Channel A] Pressure Reading ................................................................................................ 16

2.6.2. [Channel B] Pressure Reading or Result ................................................................................ 16

2.6.3. Set the [Range/Device] connected to the gauge ................................................................... 17

2.6.4. Estimate Results with [@ Pressure] ....................................................................................... 19

2.6.5. Setting “n value” for @Pressure extrapolation ..................................................................... 20

2.6.6. Capture and apply a Baseline using [Settings] ....................................................................... 20

2.7 Gauge compensates for sensor drift with Auto Zero ..................................................................... 20

3. Get Results directly from the gauge ............................................................... 21

3.1 Connect Speed Control Cable between the gauge and fan ............................................................ 21

3.2 Connect pressure tubes to gauge ................................................................................................... 21

3.3 Control the test and read Results on the Home screen ................................................................. 21

3.3.1. Tap [Range/Device] to match Range on Device in use .......................................................... 21

3.3.2. Tap [Range/Device]  [Change Device] to change Device in use ......................................... 21

3.3.3. Tap [Set Speed] to run the fan at a particular speed ............................................................. 22

3.3.4. Tap [Jog] keys to adjust speed up or down 5% ...................................................................... 22

3.3.5. Tap [Set Pressure] to achieve a particular enclosure pressure ............................................. 23

3.3.6. Tap [Jog] keys to adjust pressure up or down 5 Pa ............................................................... 24

3.3.7. Tap [Area] or [Volume] to enter dimension for particular Results ........................................ 24

3.3.8. Tap [Channel A] to “Hold” readings and results .................................................................... 25

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Retrotec DM32 Manual do Utilizador Página 4