TSI Instruments DP-CALC 5815 Manuale operativo

Ventilation Testing

DP-CALCTM

Micromanometer

Model 5815

Operation and Service Manual

ENERGY AND COMFORT

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iii

CONTENTS

CHAPTER 1 UNPACKING AND PARTS IDENTIFICATION ............ 1

CHAPTER 2 SETTING-UP.................................................................3

Supplying Power to the Model 5815 DP-CALC Micromanometer ... 3

Installing the Batteries ...............................................................3

CHAPTER 3 OPERATION .................................................................5

Keypad Functions ...........................................................................5

CHAPTER 4 MAINTENANCE............................................................7

Recalibration...................................................................................7

Cases.............................................................................................. 7

Storage ...........................................................................................7

CHAPTER 5 TROUBLESHOOTING.................................................. 9

APPENDIX A SPECIFICATIONS.....................................................11

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Chapter 1

Unpacking and Parts Identification

Carefully unpack the instrument and accessories from the shipping

container. Check the individual parts against the list of components below. If

anything is missing or damaged, notify TSI immediately.

1. Carrying case

2. Instrument

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Chapter 2

Setting-up

Supplying Power to the Model 5815 DP-CALC Micromanometer

The Model 5815 is powered with four size AA batteries.

Installing the Batteries

Insert four AA batteries as indicated by the diagram located on the

inside of the battery compartment. The Model 5815 is designed to

operate with either alkaline or NiMH rechargeable batteries, although it

will not recharge NiMH batteries. Battery life will be shorter if NiMH

batteries are used. Carbon-zinc batteries are not recommended because

of the danger of battery acid leakage.

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Chapter 3

Operation

Keypad Functions

ON/OFF Key Press to turn the Model 5815 on and off. During

the power up sequence the display will show the

following: Model Number, Serial Number,

Software Revision and Last Date Calibrated.

ft/min / m/s Key Pressing this key changes the display to read air

velocity, converted from.

in H2O / Pa / hPa /

kPa / mm HG Key

Pressing this key changes the display to read

differential pressure.

0 Key Pressing the 0 key zeroes the pressure

measurement.

Changing Units To change units, first put the desired measurement

(air velocity or temperature) on the display. Then

press and hold the left, unlabelled key for five

seconds. Finally, use the ST and ENTER key to

select the units.

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Chapter 5

Troubleshooting

Table 5-1 lists the symptoms, possible causes, and recommended solutions

for common problems encountered with the Model 5815. If your symptom is

not listed, or if none of the solutions solves your problem, please contact

TSI.

Table 5-1: Troubleshooting the Model 5815

Symptom Possible Causes Corrective Action

No Display Unit not turned on Switch unit on.

Low or dead batteries Replace batteries.

Dirty battery contacts Clean the battery

contacts.

Velocity reading

fluctuates unstable

Fluctuating flow Reposition probe in

less-turbulent flow.

Instrument Error

message appears

Fault in instrument Factory service required

on instrument.

WARNING!

The pressure sensor is protected from damage up to 7 psi (48 kPa or

360 mmHg). At higher pressure it can burst!

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Appendix A

Specifications

Specifications are subject to change without notice.

Static/Differential Pressure:

Range1: -15 to +15 in. H2O (-28.0 to +28.0 mm Hg, -3735 to

+3735 Pa)

Accuracy: ±1% of reading ±0.005 in. H2O (±0.01 mm Hg, ±1 Pa)

Resolution: 0.001 in. H2O (1 Pa, 0.01 mm Hg)

Velocity From a Pitot Tube:

Range2: 250 to 15500 ft/min (1.27 to 78.7 m/s)

Accuracy3: ±1.5% at 2000 ft/min (10.16 m/s)

Resolution: 1 ft/min (0.1 m/s)

Instrument Temperature Range:

Operating (Electronics): 40 to 113°F (5 to 45°C)

Storage: -4 to 140°F (-20 to 60°C)

Instrument Operating Conditions:

Altitude up to 4000 meters

Relative humidity up to 80% RH, non-condensing

Pollution degree 1 in accordance with IEC 664

Transient over voltage category II

External Meter Dimensions:

3.3 in. ×7.0 in. ×1.8 in. (8.4 cm ×17.8 cm ×4.4 cm)

Meter Weight:

Weight with batteries: 0.6 lbs (0.27 kg)

Power Requirements:

Four AA-size batteries (included)

1Overpressure range = 7 psi (190 in. H2O, 360 mmHg, 48 kPa).

2Pressure velocity measurements are not recommended below 1,000 ft/min (5 m/s) and are

best suited to velocities over 2000 ft/min. Range can vary depending on barometric

pressure.

3Accuracy is a function of converting pressure to velocity. Conversion accuracy improves

when actual pressure values increase.

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