TPI 777 Bedienungsanleitung

777

Carbon Monoxide

Single Gas Monitor

The Value LeaderTM

www.tpi-thevalueleader.com

Contents

Agency Listings.............................................................. 1

Safety Information........................................................... 2

General Description & Physical Specifications........... 3

Product Features.............................................................4

Sensor Specifications, Alarm Setting, Bump Testing..5

Alarm Adjustment............................................................6

Battery, Sensor, Calibration............................................ 8

Operation and Use...........................................................7

Warranty and Repair Policy............................................. 9

TPI 777

SINGLE GAS MONITOR

INSTRUCTION MANUAL

For use with Carbon Monoxide (CO)

Read and understand instructions before use.

Warning: To prevent ignition of flammable or combustible atmos-

pheres, disconnect power before servicing.

Warning: To reduce the risk of ignition of a flammable atmosphere, bat-

teries must only be changed in an area known to be nonflammable.

EMC Directive (2004/108/EC)

EN 61000-4-2:1995, EN 61000-4-3:2002, EN 55011:2007

Safety Information

1. IMPORTANT: Read and understand this manual prior to use.

2. IMPORTANT: CO instruments may show high readings for up to

30 minutes if taken from warm air to cold temperatures and vice-versa. For

best results let them "soak" in the ambient conditions prior to use.

3. WARNING: Substitution of components may impair operation.

4. WARNING: This instrument contains a lithium battery which may

leak or explode if improperly used. DO NOT DISPOSE OF IN A FIRE.

5. WARNING: Only service in an area known to be free of combustible

gases.

6. WARNING: Instruments are not certified intrinsically safe.

7. WARNING: To verify operation prior to each day's use a function test

(bump test) should be performed. If the instrument does not pass this

test, full calibration should be performed.

8. WARNING: Keep all openings free from dirt, debris and foreign

objects.

9. WARNING: Do not use a damaged or improperly operating instru-

ment. Contact a service representative immediately.

ONLY zero instrument in a gas free environment

General Description

The TPI 777 is a rugged personal gas monitor. Preset alarms

provide visual, audible and vibration alerts for low and high alarm

conditions. Built-in "Time Weighted Average" (TWA) and "Short

Term Exposure Limit" (STEL) alarms provide a greater margin of

safety for the user. A custom display provides easy to read

information including gas concentration and low battery indication.

(See Figure 1)

FUNCTION INDICATORS

•blinking = Low Battery

•High/Low Alarm Set Points:

•TWA/STEL Alarms:

PHYSICAL SPECIFICATIONS

Operational Temp: -4 to 104° F (-20 to 40° C)

Humidity: 15-90% RH (Non-condensing)

Response Time: T90 < 30 seconds

Alarms: Sound: 80 Db @ 12" (30cm)

Sight: Display Alerts via LEDs

Touch: Vibration

Power Source: 3.6V Lithium Battery

Size: 3.81" x 2.31" x 0.8" (9.67 x 5.87 x 2 cm)

Weight: 3.6 oz. (105 g)

Battery Life: 2+ Years

Sensor: Electrochemical

Construction:

Impact resistant housing

Belt clip and hanging loop

Figure 1: Custom Display

PRODUCT FEATURES

The 777 is made of durable plastic. The housing is protected with

a rubberized material. The front of the instrument houses the

sensor and sounder. Two buttons are used to operate the

instrument. The left button is used for power and to select the

unit of measure for temperature. The right button is used for

zeroing and adjusting the alarm level. LED's beneath the frosted

areas provide visual alarm.

The instrument can be worn using the belt clip on the back. The

777 cannot be turned off when it is in an alarm state.

The sensor and battery are designed for 2 years of continuous

normal use.

RANGE ACCURACY

SENSOR SPECIFICATIONS

TYPE RESOLUTION

CO 1ppm

Temp 0.1⁰

0-999 +/- 5ppm or 5% of rdg whichever is greater

32 to 104⁰F +/- (2⁰F + 5 digits)

0 to 40⁰C +/- (1⁰C + 5 digits)

ALARMS

The 777 has two types of alarm. Low Alarm activates at two second

intervals. The High Alarm activates at one second intervals.

The sound, LEDs and vibration activate during an alarm. The alarm settings

can be changed in set-up of the 777. The 777 is preset for the most common

levels required. The preset alarm levels are shown below.

PRESET ALARM LEVELS

Type Low High TWA STEL

CO 50 200 50 75

See page 6 for Alarm Adjustment instructions

FUNCTION (BUMP) TEST

Turn the instrument on and wait until the warm up period is over and the main

display is shown. Apply 100ppm of CO gas to the sensor area at a flow rate of

200-400 cc/min. The alarm should activate within approximately 20 seconds.

This test can be performed to ensure proper function prior to each day's

use. Failure to pass could indicate a failure or need for calibration.

SWITCHING BETWEEN ⁰F and ⁰C

With the 777 on press and release the On/Off key to switch between ⁰F and

⁰C.

ALARM ADJUSTMENT

1. Turn the 777 on by pressing and holding the power button until the display

illuminates.

2. After the warm up period when the main display shows press and hold down the

Zero button for more than 3 seconds until "Ald" is displayed.

3. The alarm level can be adjusted by using the Zero button to cycle through alarm

level 0 to 9. Repeatedly pressing the Zero key will cycle the alarm level number

from 0 to 9 and then back to 0.The alarm levels for each selection are shown below.

4. Once the desired alarm level is selected, press and hold the Zero key for more than

3 seconds until the 777 returns to the main display.

Alarm Levels

ALARM TYPES

The alarm type is adjustable between standard, TWA, and STEL. The alarm type is

selected by performing the steps outlined on page 6.

Standard - When the 777 is in the main display mode the CO concentration is shown in

ppm. The alarm will sound at the Alarm Low level as outlined on page 6.

Time Weighted Average (TWA) Alarm - When the 777 is set to this type of alarm the

"TWA" annunciator will be displayed. In this mode the alarm is time weighted and will

sound at the Alarm TWA level as outlined on page 6. A Time Weighted Average (TWA)

is a threshold value based on a 8-hour workday and a 40-hour workweek. For example

the TWA for carbon monoxide is 25 ppm. This means that an average of 25 ppm is

considered to be the safe threshold value for an 8-hour workday.

Short Term Exposure Limit (STEL) Alarm - When the 777 is set to this type of alarm

the "STEL" annunciator will be displayed. In this mode the alarm is based on a 15

minute average and will sound at the Alarm STEL level as outlined on page 6.

OPERATION and USE

Press and hold the ON button to start the instrument in an area known to

be gas free and with normal oxygen amount. The following will display

during start up:

1. Activate all segments and icons

2. CO (Gas type being sensed)

3. Low Alarm LevelSoftware version

4. High alarm Level

5. TWA Alarm Level

6. STEL Alarm Level

7. "HI" High alarm value displays

8. Calibration Year / Month

9. LED, Buzzer, Vibration test

10. Main display

To Turn the 777 off, press and hold the Power button down for approximately 10

seconds until the 777 turns off. The 777 will beep during this time.

If the 777 is turned on in an area that is not free of CO, an error will display and

the 777 will need to be turned off and turned back on in a clean air environment.

Attach the 777 to the outermost garment closest to your head/face as

practical. Always follow federal, state, local and company regulations as it

relates to the use of personal CO detectors.

Alarms indicate unsafe levels. The display will show the concentration

along with audible, visual and vibration indications.

Manual zeroing should only be performed in a clean air gas free environment

con-taining normal oxygen levels. Press the ZERO button for 2-3 seconds and

release. All seg-ments of the display will flash followed by the working display.

Exposure to gas in excess of sensors range specifications will result in "OL"

being dis-played with the high alarm activated

BATTERY, SENSOR, AND CALIBRATION

The battery indicator does not display until the battery begins to deplete. The

battery indicator will begin to display depending on the charge left.

The stages are:

When the battery indicator looks like this and is blinking the

battery needs replacement. The 777 must be returned to TPI for

battery replacement.

When SENS is displayed the CO sensor requires replacement. The

777 must be returned to TPI for sensor replacement.

Calibration is recommended once per year. Please return your 777

to TPI for calibration.

WARRANTY and SERVICE POLICY

Your TPI 777 is warranted to be free from defects in materials and

workmanship for a period of 2 years after purchase (excluding calibration).

If within the warranty period, your instrument should become inoperative

from such defects, the unit will be repaired or replaced at our option. This

warranty covers normal use and does not cover damage which occurs in

shipment or failure which results from alteration, tampering, accident, mis-

use, abuse, neglect or improper maintenance. Proof of purchase may be

required before warranty is rendered.

Units out of warranty will be repaired for a service charge. Internal repair

of maintenance must be completed by a Test Products International autho-

rized technician. Violation will void warranty. Units must be returned post-

paid to the address below:

TPI ATTN: SERVICE

9615 SW ALLEN BLVD

SUITE 104

BEAVERTON, OR 97005

Andere Handbücher für 777

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