Dwyer Instruments 1207A Manuale utente

DWYER INSTRUMENTS, INC. | www.dwyer-inst.com204

Combustion

Gas Analyzers/Kits TEST & DATA

The MODEL 1205B Handheld CO/CO2Gas Analyzer accurately measures the

concentration of carbon monoxide (CO) and carbon dioxide (CO2) in a duct or space

and displays the measurement on a dual line backlit LCD. The unit’s memory stores

up to 255 sets of readings that are logged manually or auto-logged with 1 to 10 minute

intervals. Results can then be printed via an optional infrared printer.

FEATURES/BENEFITS

• Displays carbon monoxide and carbon dioxide concentrations simultaneously

• Stores up to 255 sets of readings for future evaluation

• Usercongurablealarms

APPLICATIONS

• Service and adjustment of boilers, ovens, and other combustion equipment

1-8-3/4

[476.25]

3-3/4

[95.25] 3-11/32

[85.09]

[203.20]

7-35/64

[191.77]

1-21/32

[41.91]

HANDHELD FLUE GAS COMBUSTION ANALYZER

Rotary Dial Selection,Display 4 Parameters Simultaneously

The MODEL 1207A Handheld Flue Gas Combustion Analyzer allows users to monitor

four parameters simultaneously and change the parameters shown using the rotary

dial selection switch. The unit’s memory stores up to 255 time stamped test sets and

can output the measurements to a serial printer. For extra protection, the analyzer

comes standard with a protective boot and magnetic back.

FEATURES/BENEFITS

• Displays4congurableparameterssimultaneously

• Stores up to 255 time stamped test sets for future evaluation

APPLICATIONS

• Service and adjustment of boilers, ovens, and other combustion equipment

1/4

[6.35]

7-7/8 [200.00]

10˝ [3000]

LONG

NEOPRENE

HOSE

3-3/4

[95.25]

[203.20]

3-11/32

[85.09]

7-35/64

[191.77]

1-21/32

[41.91]

SPECIFICATIONS

Ranges: CO:0to1000ppm,overow

2000 ppm; CO2: 200 to 4000 ppm,

overow9999ppm.

Accuracy: CO: ±5 ppm<100 ppm;

±5%>100 ppm; ±10%>1000 ppm;

CO2:±20 ppm<400 ppm; ±5%<4000

ppm; ±10%>4000 ppm.

Resolution: CO: 1 ppm; CO2: 1 ppm.

Display: Dual LCD display.

Temperature Limits: 32 to 104°F

(0 to 45°C).

Humidity Limits (Non-Condensing): 10

to90%RH.

Power Requirements: 100 to 240 VAC,

50 to 60 Hz or (5) AA NiMH batteries,

internal, factory replaceable.

Battery Life: 6 hours with full charge

and pump on.

Weight: 2.21 lb (1 kg).

SPECIFICATIONS

Range: O2: 0 to 21%; CO: 0 to 2000

ppm (4000 ppm max for 15 minutes);

CO2:0to30%;Temp.(ueandnet):32

to1112°F(0to600°C);Efciency:

0to99.9%;Excessair:0to250%.

Accuracy: O2: ±0.2%; CO: ±10 PPM

< 100 PPM else ±5% of reading;

CO2:±0.3%reading;Temp.(ue

and net): ±2°C ±0.3% reading;

Efciency:±1%reading;Excessair:

±0.2%.

Resolution: O2: 0.1%; CO: 1 PPM;

CO2:0.1%;Temp.(ueandnet):

0.1°F/C;Efciency:0.1%;Excess

air: 0.1%.

Ambient Operating Temperature: 32 to

104°F (0 to 40°C).

Power Requirements: (8) AA

alkaline batteries, installed functional,

user replaceable, (4) AA NiMH batteries,

included, user replaceable (charger

included) or optional power adapter.

Pre-Programmed Fuels: Natural gas,

light oil, propane, butane, LPG, and

wood pellets.

Probe: 11.8˝(300mm)lengthx0.25˝

(6mm)diameterwith7.8˝(200mm)

stainless steel shaft.

Hose: 10 ft (3 m).

Weight: 1.7 lb (0.77 kg).

Agency Approvals: CE.

HANDHELD CO/CO2GAS ANALYZER

Measures IndoorAir Quality,Includes Sampling Probe with Hose

MODEL 1205B

MODEL 1207A

MODEL CHART

Model Description

1205B-0 Gas analyzer and logger for CO and CO2

MODEL CHART

Model Description

1207A Handhelduegascombustionanalyzer

ACCESSORIES

Model Description

1205B-US

1205B-EU

1205B-PR

120 VAC power adapter for 1205B

240 VAC power adapter for 1205B

Replacement probe for 1205B

ACCESSORIES

Model Description

1207A-US

1207A-EU

1207A-SP

1207A-PP

1207A-RF

120 VAC power adapter

230 VAC power adapter

Serial printer

Printer paper for 1207A-SP

Replacementlter

DWYER 1207A

Flue Gas Analyzer

Dwyer Instruments Inc

P.O. Box 373

Michigan City

INDIANA, H6361

USA

Tel: 219 879 8868

Fax: 219 872 9057

Stock No: 18744-2 September 2009

1207A manual Page 2

CONTENTS

Page No:

DWYER 1207A USER GUIDE 3

1. ANALYZER FEATURES AND KEYPAD 4-5

2. BEFORE USING THE ANALYZER FOR THE FIRST TIME 6

3. BEFORE USING THE ANALYZER EVERY TIME 7

4. USING THE ANALYZER AND ITS FOUR BUTTONS 8-9

5. USING THE DWYER 1207A AS A THERMOMETER OR PRESSURE

METER 10

6. USING THE ROTARY DIAL (STARTING FROM MENU) 11-13

7. MAIN MENU FUNCTIONS 14-17

8. MEASURING MODES 18-24

- MEASURING FLUE GASES 18

- STANDARD COMBUSTION PRINTOUT 19

-STORING A DRAUGHT MEASUREMENT TO PRINT WITH A

COMBUSTION TEST 20

- MEASURING PRESSURE 21

- MEASURING TEMPERATURE 22

- MEASURING AMBIENT AIR (ROOM CO) 23

- MEASURING FLUE DRAUGHT 24

9. WHEN YOU FINISH A COMBUSTION TEST 25

10. ANALYZER PROBLEM SOLVING 26

11. ANALYZER ANNUAL RECALIBRATION AND SERVICE 27

12. ANALYZER SPECIFICATION

(NOTE MAY BE SUBJECT TO CHANGE

) 28-29

13. ELECTROMAGNETIC COMPATIBILITY 30

APPENDIX 1 – MAIN PARAMETERS 31-32

1207A manual Page 3

DWYER 1207A

User Guide

The DWYER 1207A Combustion Analyzer measures O

differential

temperature, differential pressure and CO.

It calculates efficiency (Nett, Gross or Condensing), losses, the CO/CO

ratio,

Poison Index, excess air and CO air free in ppm only.

The analyzer can be upgraded with the addition of a Nitric Oxide sensor either

on initial purchase or as a retrofit as part of an annual service procedure.

In addition the DWYER 1207A Combustion Analyzer’s CO sensor checks

carbon monoxide levels in ambient air - useful when a CO Alarm is triggered

and tests the safety of appliances.

The CO and NO readings can be referenced to the oxygen reading in ppm or

mg/m

It has a protective rubber sleeve with a magnet for “hands–free” operation and

their flue probes work on all combustion appliances and take ambient air

measurements.

The large display shows 4 readings at a time and all data can be printed via an

optional infrared printer. The printed data can be 'live' data, 'frozen' data or

'stored' data. 255 sets of tests can be stored. Note: stored data is lost if the

batteries are removed or are exhausted. Two lines of 16 characters can be added

to the header of printouts.

The analyzer is controlled using 4 buttons and a rotary dial.

The four buttons (from left to right) switch on and off the analyzer, print actual

or frozen data/ switch on and off the backlight, switch on and off the pump and

“freeze”/ hold data. The buttons with , and arrows also change

settings such as date, time, fuel source, etc. when in MENU mode.

The rotary dial changes the LED indicated display line and selects access to the

menu to make changes to the date, time, fuel, etc.

1207A manual Page 4

1. ANALYZER FEATURES AND KEYPAD

ON / OFF

Turns the analyzer ON / OFF

PUMP / CAL PRESSURE

Turns the pump ON / OFF

Press for 2+ seconds to zero the

pressure sensor

PRINT / BACKLIGHT

Press to print “live” or “frozen”

data. Press again to abort.

Press for 2+ seconds to switch

backlight & torch ON / OFF

LINE SELECT / FREEZE

Press to select active line on

display as indicated by LED’s

Press for 2 seconds to “HOLD”

Press longer to “LOG”

1207A manual Page 5

1207A manual Page 6

2. BEFORE USING THE ANALYZER FOR THE FIRST

TIME:

Turn over the analyzer, remove its’ protective rubber sleeve and fit 4 “AA” batteries in the

battery compartment. Take great care to ensure they are fitted with the correct battery

polarity. Then replace the battery cover and protective rubber sleeve. Always check that the

analyzer is working correctly after replacing batteries.

Set the analyzer’s correct time, date, fuel source, etc., after it is switched on and calibrated –

See USING THE ROTARY DIAL below. These settings are stored when the analyzer is

switched off.

Using Re-Chargeable Batteries.

This analyzer has been designed for use with both alkaline and rechargeable Nickel Metal

Hydride (NMiH). No other battery types are recommended.

WARNING

The battery charger unit must only be used when NMiH batteries are fitted.

NMiH batteries are entirely suitable for top up charging at any time, even for shorts periods.

Alkaline batteries are not re-chargeable. Attempting to recharge Alkaline batteries may result

in damage to the product and may create a fire risk.

Ensure the batteries are fitted in the correct manner.

Charger

Ensure that you use the correct charger. The part number is KMCU450/US.

An in-vehicle adapter can be used to top up the analyzer's batteries from a 12 volt vehicle

battery. The part number is KMCU450/ 12.

Trickle Charging

: On first charging, charge for at least 12 hours continuously,

subsequently charge overnight for approx. 8 hours.

Fast Charging

: With the analyzer switched on connect the charger and then switch the

analyzer off. The display will then show "BATTERY CHARGING".

Battery Disposal

Always dispose of depleted batteries using approved disposal methods that protect the

environment.

1207A manual Page 7

3. BEFORE USING THE ANALYZER EVERY TIME:

Check the water trap is empty and the particle filter is not dirty:

- To empty water trap, unplug its’ rubber stopper and re-plug once it is empty.

- To change the filter, remove protective rubber sleeve, pull out the water trap unit from

the analyzer, remove the water trap’s particle filter from its’ spigot and replace.

Reconnect the water trap and rubber protective sleeve.

Connect the flue probe into the bottom of the analyzer’s water trap and connect the probe’s

temperature plug to the socket next to the water trap – check the plug’s orientation is correct

otherwise incorrect temperature measurements will occur.

After switch on, check fuel source, date and time are correct and battery power is sufficient.

SAFETY WARNING

This analyzer extracts combustion gases that may be toxic in relatively low concentrations.

These gases are exhausted from the back of the instrument. This analyzer must only be used

in well-ventilated locations by trained and competent persons after due consideration of

all the potential hazards.

Sensor manufacturers recommend users of portable gas detectors containing electrochemical

sensors conduct a “bump” check before relying on the unit to verify an atmosphere is free

from hazard.

A “bump” test is a means of verifying that an instrument is working within acceptable limits

by briefly exposing to a known gas mixture formulated to change the output of all the sensors

present. (This is different from a calibration where the instrument is also exposed to a known

gas mixture but is allowed to settle to a steady figure and the reading adjusted to the stated gas

concentration of the test gas.)

For Oxygen monitors a level of confidence that the unit is working adequately may be gained

by exhaling over the sensor inlet and viewing the reduction in reading obtained.

1207A manual Page 8

4. USING THE ANALYZER AND ITS FOUR BUTTONS:

Switching ON

the Analyzer

Press to switch the unit ON in fresh air outside the property about

to be tested. This lets the analyzer auto calibrate its’ sensors properly.

On switch on, the analyzer beeps four times and displays the fuel

previously selected, the date and time and model number. Its’ bottom line

counts down from 60 until the sensors are ready to use – This normally

takes 20 - 30 seconds but may take longer as sensors get older. If the

analyzer will not auto calibrate, its’ sensors need to be replaced or

recalibrated by an authorized repair center.

If the inlet probe is connected to the analyzer during its’ countdown the

measured temperature from the inlet probe will be used as the inlet

temperature.

If the inlet probe is not connected and you connect the flue probe’s

temperature plug to the analyzer during countdown the measured

temperature from the flue probe will be used as the inlet temperature.

If neither probe is connected during countdown the analyzer’s internal

ambient temperature will be used as the inlet temperature.

Switching OFF

the Analyzer

Press to switch the analyzer OFF. The display counts down from

30 with the pump on to clean the sensors with fresh air – If the probe is

still connected, make sure analyzer and probe are in fresh air.

Press / if you want to stop the countdown and return to

making measurements.

Note: the analyzer will not switch off until the CO reading is below

20 ppm.

Using UP /

DOWN /

ENTER Buttons

Use the / / keys to change settings (such as time, date

and fuel) when the rotary dial is turned to MENU.

Printing Data

Press and quickly release the key to start the analyzer printing. The

analyzer displays "PRINTING" until this is completed. Press and release

the key again to abort printing.

Make sure the printer is switched on, ready to accept data and its’ infrared

receiver is in line with the analyzer’s emitter (on top of the analyzer).

1207A manual Page 9

Backlight

Press and hold to toggle the display's backlight.

Note: use of the backlight increases the current drain on the batteries.

Tasklight

Comes on with the display's backlight... see above.

Switching

PUMP on / off

The analyzer normally operates with the pump on. Press quickly

to switch the pump off and on.

When the pump is switched off, the analyzer displays "PUMP OFF"

approx every 30 seconds.

NOTE: the pump will not switch off if the CO reading is above

20 ppm. This helps to protect the CO sensor from damage.

NOTE: the pump cannot be switched off with the rotor set to

-----------MENU.

Zeroing the

pressure sensor

Press and hold the key until the top line display shows ZERO

CAL.

“Freezing” the

display

Press and hold the / key until a second beep is heard to

freeze all readings. The display flashes and readings can be printed by

pressing key. Press and hold the / key again until a

second beep is heard to go back to “live” measurements.

The function is inhibited when the display LEDs are flashing.

Storing a set of

readings

Press and hold the /key for approx. 4 seconds.

Note: this STORE function is inhibited if the display LEDs are flashing.

Note: this STORE function is inhibited in normal operation if the pump is

switched off.

Changing the

display's active

line

Press and release the /key until the illuminated LEDs point at

the display line that you wish to change. While the LEDs are flashing

turn the rotary dial to display the parameter that you want. If the rotary

dial is not turned the active line will go back to its previous setting after

approx. 5 secs.

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