Delta OHM HD37AB1347 Manuel utilisateur

The quality level of our instruments is the result of the continuous development of the

product. This may produce some differences between the information written in this

manual and the instrument you have purchased. We cannot completely exclude errors in

the manual, for which we apologize.

The data, images and descriptions included in this manual cannot be legally asserted. We

reserve the right to make changes and corrections with no prior notice.

HD37AB1347

IAQ MONITOR

ENGLISH

REV. 2.5

02/08/2011

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HD37AB1347

1. Indoor Air Quality input for the SICRAM probes:

•P37AB147: It measures CO2 Carbon Dioxide, CO Carbon Monoxide, Relative Humidity

RH, Temperature T, and Atmospheric Pressure Patm.

•P37B147: It measures CO Carbon Monoxide, Relative Humidity RH, Temperature T, and

Atmospheric Pressure Patm.

•Humidity and Temperature combined probes.

•Temperature probes with Pt100 sensor.

2. Power supply input.

3. Backlit graphic display.

4. ESC key: It allows to exit from the menu or, in case of a submenu, to exit from the current level

display.

5. Navigation key ▲: It allows navigation through the menus. During normal operation, it is used

to select the resetting of the statistical data and to scroll the displayed quantities upwards.

6. Navigation key ◄/Func: It allows navigation through the menus. In normal view, it allows to

display the statistical data: maximum, minimum, and average.

7. MEM key: It allows to start and end the recording of data (logging).

8. Navigation key ▼: It allows navigation through the menus. During normal operation, it is used

to cancel the resetting of the statistical data and to scroll the displayed quantities downwards.

9. MENU key: It allows to enter and exit the instrument’s functioning parameter setting menu.

10. Navigation key ►/ Unit: It allows navigation through the menus. During normal operation, it

changes the unit of measurement of the displayed main quantity.

11. ENTER key: In the menu, it confirms the data entered. In normal view, it allows to reset the

statistical data and to print them on the HD40.1 printer.

12. ON/OFF-Auto Off key: It turns the instrument on and off. When pressed together with the

ESC key, it disables the automatic turn off.

13. RS232 and USB serial port.

14. Temp-Air Velocity input (temperature and wind speed probes) for the SICRAM probes:

•Hot-Wire Sensor Wind Speed probes.

•Vane Wind Speed probes.

•Temperature probes with Pt100 sensor.

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TABLE OF CONTENTS

1. GENERAL CHARACTERISTICS............................................................................................................................ 6

2. THE USER INTERFACE........................................................................................................................................... 7

2.1 THE DISPLAY ................................................................................................................................................................ 7

2.2 THE KEYBOARD............................................................................................................................................................ 8

3. OPERATION ............................................................................................................................................................. 10

3.1.1 “►/UNIT” key for the unit of measurement................................................................................................. 11

3.1.2 Immediate printing of data............................................................................................................................ 12

3.1.3 The maximum, minimum and average values of the captured quantities...................................................... 12

3.1.4 Instrument Setup............................................................................................................................................ 13

3.1.5 Start of a new logging session....................................................................................................................... 13

4. MAIN MENU............................................................................................................................................................. 14

4.1 INFO MENU ................................................................................................................................................................. 14

4.2 LOGGING MENU.......................................................................................................................................................... 16

4.2.1 Log Interval................................................................................................................................................... 16

4.2.2 AutoPowerOff– AutoPowerOff Mode............................................................................................................ 17

4.2.3 Start/Stop Log – Automatic Start................................................................................................................... 18

4.2.4 Cancel Auto-Start.......................................................................................................................................... 20

4.2.5 Log File Manager ......................................................................................................................................... 21

4.3 SERIAL MENU (SERIAL COMMUNICATION) ................................................................................................................. 23

4.3.1 The Baud Rate ............................................................................................................................................... 24

4.3.2 Print Interval................................................................................................................................................. 24

4.4 SETTINGS .................................................................................................................................................................... 25

4.4.1 Contrast......................................................................................................................................................... 25

4.4.2 Backlight ....................................................................................................................................................... 26

4.4.3 Reset.............................................................................................................................................................. 26

4.5 AIR SPEED .................................................................................................................................................................. 27

4.5.1 Speed ............................................................................................................................................................. 27

4.5.2 Flow rate ....................................................................................................................................................... 28

4.5.3 Section........................................................................................................................................................... 28

4.6 VENTILATION RATE .................................................................................................................................................... 29

4.6.1 Definition of % Outdoor Air.......................................................................................................................... 29

4.6.2 Outdoor Air Calculation ............................................................................................................................... 30

4.7 PROBE CALIBRATION .................................................................................................................................................. 35

4.7.1 CO2Calibration ............................................................................................................................................ 36

4.7.2 CO Calibration – only P37AB147................................................................................................................ 37

4.7.3 RH calibration............................................................................................................................................... 41

4.8 LANGUAGE ................................................................................................................................................................. 43

5. SERIAL INTERFACE AND USB............................................................................................................................ 44

5.1 STORING AND TRANSFERRING DATA TO A PC ............................................................................................................ 46

5.1.1 Logging Function .......................................................................................................................................... 46

5.1.2 Clearing the memory..................................................................................................................................... 46

5.1.3 Print function ................................................................................................................................................ 46

6. CONNECTION TO A PC......................................................................................................................................... 47

6.1 CONNECTION TO THE RS232-C SERIAL PORT .............................................................................................................. 47

6.2 CONNECTION TO THE USB 2.0 PORT ........................................................................................................................... 47

6.3 REMOVING THE USB DRIVERS ................................................................................................................................... 51

7. INSTRUMENT SIGNALS AND FAULTS.............................................................................................................. 53

8. BATTERY SYMBOL – MAINS POWER SUPPLY .............................................................................................. 54

8.1 BATTERIES RECHARGING............................................................................................................................................ 54

8.2 NOTES FOR THE BATTERIES USE .................................................................................................................................. 55

8.3 REPLACEMENT OF THE BATTERY PACK ....................................................................................................................... 55

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5
4 BATTERIES DISPOSAL .................................................................................................................................................. 55 
INSTRUMENT STORAGE...................................................................................................................................... 56 
TECHNICAL CHARACTERISTICS ................................................................................................................... 57 
1 TECHNICAL DATA OF THE PROBES THAT CAN BE CONNECTED TO THE INSTRUMENT .................................................. 59 
1.1 P37AB147 and P37B147 SICRAM probes.................................................................................................. 59 
1.2 Relative humidity and temperature combined probes using SICRAM module............................................ 60 
1.3 Hot-Wire Wind Speed measurement probes with SICRAM module: AP471S1 – AP471S2 – AP471S3 – 
AP471S4........................................................................................................................................................ 61 
1.4 Vane Wind Speed measurement probes with SICRAM module: AP472S1 – AP472S2 – AP472S4 ............ 62 
1.5 Temperature probes Pt100 using SICRAM module .................................................................................... 63 
ORDERING CODES............................................................................................................................................... 64 
1 CARBON DIOXIDE,CARBON MONOXIDE,RELATIVE HUMIDITY,TEMPERATURE,AND ATMOSPHERIC PRESSURE 
PROBES WITH SICRAM MODULE ........................................................................................................................... 64 
2 RELATIVE HUMIDITY AND TEMPERATURE PROBES USING SICRAM MODULE .......................................................... 64 
3 HOT-WIRE WIND SPEED MEASUREMENT PROBES WITH SICRAM MODULE .............................................................. 64 
4 VANE WIND SPEED MEASUREMENT PROBES WITH SICRAM MODULE...................................................................... 64 
5 TEMPERATURE MEASUREMENT PROBES WITH SICRAM MODULE............................................................................. 65 
6 ACCESSORIES............................................................................................................................................................ 65 
6.1 Accessories for HD40.1 printer................................................................................................................... 65 
6.2 Accessories for P37AB147 and P37B147 SICRAM probes ........................................................................ 65 
6.3 Accessories for Wind Speed SICRAM probes.............................................................................................. 66 
6.4 Accessories for Temperature-Humidity SICRAM probes............................................................................ 66 
 

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1. GENERAL CHARACTERISTICS

The HD37AB1347 IAQ Monitor is an instrument manufactured by Delta Ohm for the analysis of

indoor air quality (IAQ, Indoor Air Quality).

The instrument simultaneously measures the following parameters, using the P37AB147 SICRAM

probe: CO2 Carbon Dioxide, CO Carbon Monoxide, Temperature, Relative Humidity, it

calculates Dew Point, Wet Bulb Temperature, Absolute Humidity, Mixing Ratio, Enthalpy and

Atmospheric Pressure. The P37B147 SICRAM probe does not measure CO Carbon Monoxide.

You can also connect Temperature and Humidity SICRAM combined probes, Hot-Wire Sensor

Wind Speed SICRAM probes, Vane Wind Speed SICRAM probes, and Temperature SICRAM

probes with Pt100 sensor, to the instrument.

The instrument, using a proper procedure, calculates the percentage of external air input (%

Outside Air) according to CO2Carbon Dioxide, temperature, and Ventilation Rate.

The HD37AB1347 is a datalogger with a memory capacity of 67600 recordings per each of the two

inputs, divided in 64 blocks. It uses the DeltaLog10 software, version 0.1.5.0.

Reference Standards: ASHRAE 62.1, Legislative Decree 81/2008. These regulations apply to all

confined spaces that could be used by people. Kitchens, baths, changing rooms and swimming

pools are included, due to their high humidity. You should take into account, in regard to air

quality, possible chemical, physical and biological contaminants, or the input of non sufficiently

purified external air (Ventilation Rate).

The instrument has a wide Dot Matrix graphic display with a resolution of 160x160 dots.

The instrument typical applications, using the above range of probes, are:

•Measurement of IAQ (Indoor Air Quality) and comfort conditions in schools, offices and

indoor spaces.

•Analysis and study of the Sick Building Syndrome, and of the resulting consequences.

•Checking the HVAC (Heating, Ventilation and Air Conditioning) system efficiency.

•Examination of IAQ conditions in factories to optimize microclimate and improve

productivity.

•Building Automation checks.

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2. THE USER INTERFACE

The user interface consist of a backlit LCD graphic display, and the power-on and setting keys.

When battery powered, and not pressing any key, the backlight turns off after about 1 minute. To

turn it back on, press any key. When using an external power supply, the backlight is always on.

Turn the instrument on and off with the ON/OFF key. When you turn the instrument on, the logo

and model will be displayed for a few seconds, and then the main display.

The quantities detected by the instrument can be viewed with a larger character size, at the top of

the display. The parameter displayed with a larger character is called main quantity. In order to

select the parameter to be displayed as main quantity, use the ▲▼ keys. For some quantities, you

can select the unit of measurement; temperature can be displayed as °C or °F.

2.1 THE DISPLAY

HD37AB1347

2010/02/10 08:00:00

Carbon Dioxide

CO2

ppm 600

CO 0 ppm

RH 25.0 %

T1 17.0 °C

Patm 1000 hPa

Va 0.00 m/s

1. Battery’s charge status and instrument code. In case the logging function is on, this line

shows the current logging number and the time elapsed from logging start.

2. Main quantity (in this case, CO2Carbon Dioxide).

3. Display of all other quantities.

4. Current date and time.

The detected and computed quantities are:

CO2Carbon Dioxide ppm

CO Carbon Monoxide ppm

RH Relative Humidity %

T1 Temperature detected by the probe connected to input 1 °C – °F

Patm Atmospheric Pressure hPa

Va Wind Speed m/s – km/h – ft/min – mph – knot

FVa Flow Rate L/s – m3/h – m3/min – m3/h – ft3/s ft3/min

T2 Temperature detected by the probe connected to input 2 °C – °F

Td Dew Point °C – °F

Tw Wet Bulb Temperature °C – °F

AH Absolute Humidity g/m3

r Mixing Ratio g/kg

H Enthalpy kJ/kg

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2.2 THE KEYBOARD

The keys on the instrument perform the following functions:

ON-OFF/AUTO-OFF key

It turns the instrument on and off.

When turning the instrument on, the first screen will be displayed. After few seconds the measured

quantities will be displayed.

Auto Power Off

The instrument has an AutoPowerOff function that automatically turns the instrument off after about

8 minutes if no key is pressed during the intervening time. The AutoPowerOff function can be

disabled by holding the ESC key pressed down when turning the instrument on: the symbol will

appear on the first line to remind the user that the instrument can only be turned off by pressing the

ON/OFF key.

The AutoPowerOff function is disabled when:

•External power is used.

•During data download.

•During logging.

MENU key

It allows to enter to and exit from the instrument’s functioning parameter setting menu.

ENTER key

In the menu, it confirms the entered data.

During normal operation:

•It confirms the resetting of the statistical data.

•It prints the current data on the HD40.1 printer.

ESC key

It allows to exit from the menu or, in case of a submenu, to exit from the current level display.

MEM key

It allows to start and end a “logging” session; the data sending interval must be set in the menu.

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Key ◄/FUNC

◄allows navigation through the menus.

FUNC: In normal view, it allows to select the statistical data: maximum, minimum, and average.

Key ▲

It allows navigation through the menus. During normal operation, it is used to select the resetting of

the statistical data and to scroll the displayed quantities.

Key ▼

It allows navigation through the menus. During normal operation, it is used to cancel the resetting

of the statistical data and to scroll the displayed quantities.

Key ►/UNIT

It allows navigation through the menus. During normal operation, it changes the unit of

measurement of the main quantity:

If the main quantity is Relative Humidity, by repeatedly pressing the UNIT key you can display

the following quantities:

RH Relative Humidity (%)

Td Dew Point (°C - °F)

AH Absolute Humidity (g/m3)

r Mixing Ratio (g/kg)

Tw Wet Bulb Temperature (°C - °F)

H Enthalpy (kJ/kg)

If the main quantity is Temperature, by repeatedly pressing the UNIT key you can display the

temperature in °C (Celsius degrees) or °F (Fahrenheit degrees).

If the main quantity is Wind Speed, by repeatedly pressing the UNIT key you can display the

Wind Speed in m/s – km/h – ft/min – mph – knot.

If the main quantity is Flow Rate, by repeatedly pressing the UNIT key you can display the Flow

Rate in L/s – m3/s – m3/min – m3/h – ft3/s – ft3/min.

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3. OPERATION

Before turning the instrument on, connect the SICRAM probes to the inputs: 8-pole male DIN

45326 connectors, located in the upper part of the instrument.

You can connect the following probes to the inputs:

Input 1 Indoor Air Quality for the SICRAM probes:

•P37AB147: It measures CO2 Carbon Dioxide, CO Carbon Monoxide, Relative Humidity

RH, Temperature T, and Atmospheric Pressure Patm.

•P37B147: It measures CO Carbon Monoxide, Relative Humidity RH, Temperature T, and

Atmospheric Pressure Patm.

•Humidity and Temperature combined probes.

•Temperature probes with Pt100 sensor.

Input 2 Temp-Air Velocity for the SICRAM probes:

•Hot-Wire Sensor Wind Speed probes.

•Vane Wind Speed probes.

•Temperature probes with Pt100 sensor.

NOTE:Connect the probes when the instrument is off. If a new probe is connected and the

instrument is on, it won’t be detected. You need to turn the instrument off and on.

NOTE:If you connect two temperature probes with Pt100 sensor to the two inputs, only the

Indoor Air Quality input probe will be detected. The Temp – Air Velocity input probe will be

ignored.

If a probe is disconnected when the instrument is on, you will get an acoustic signal (one beep per

second) and an indication on the display relevant to the physical quantity being disconnected. The

LOST message will be displayed.

During turning on, the following message is displayed for about 10 seconds:

Model HD37AB1347

Indoor Air Quality

Firm.Ver.=01.00

In addition to the Delta Ohm logo the instrument code and the firmware version are displayed.

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