PEMTECH PT301N Bedienungsanleitung

PT301N

Microprocessor Based

Calibrator

Revision 1.0

June 98

Reference

Manual

Pem-Tech, Inc.

Houston, Texas

U.S.A

Table of Contents

INTRODUCTION 3

OPERATING FEATURES 3

OPERATING INSTRUCTIONS 4

SENSOR CALIBRATION 5

LAYOUT 6

WARRANTY 7

INTRODUCTION

PEM-TECH PT301N is a Microprocessor Based Hydrogen Sulfide

Calibrator. The system is capable of generating gas electrochemically

in a range of 5 to 100 parts per million. The concentration of the gas

is displayed on an LCD.

OPERATING FEATURES

OPERATING RANGE 5 TO 100 ppm

APPLICATION HYDROGEN SULFIDE

BATTERY LIFE 40 – 80 HOURS ALKALINE

BATTERIES

CELL LIFE 100 HOURS AT 10 ppm

(Approximately)

DIMENSIONS 9.00”L x 4.00”W x 5.00”D

NOTE: THE UNIT USES 4 C BATTERIES. CHANGE

BATTERY EVERY MONTH AND CLEAN THE HOLDERS;

CHANGE BATTERY WHEN LOW LIGHT COMES ON OR

IF UNIT SEEMS TO DEVELOP OUTPUT THAT ARE OFF

SCALE.

OPERATING INSTRUCTIONS

•Apply power to the system by pushing the power switch on the

top of the calibrator.

•The message **WARMING UP** will be displayed on the LCD for

a short time.

•The display will show the battery status (ok or low).

•Press the up or down button on the top of the calibrator to the

desired setting. This is indicated in the top section of the LCD.

When the unit stops adjusting, it will be ready to use.

•NOTE: EXCESSIVE ADJUSTMENT OF THE OUTPUT MAY

CAUSE THE UNIT TO READ SLIGHTLY OFF. THIS WILL

CORRECT ITSELF WITHIN 15 TO 20 MINUTES.

DISPLAY EXAMPLE

(THE BOTTOM LINE OF THE DISPLAY IS MANUFACTURING DATA.)

H2S = 020 ppm

0.27V - 072

SENSOR CALIBRATION

The PT301N Calibration has no internal electrical adjustment.

However, you may find it necessary to adjust the flow output from

time to time after changing the cell.

To verify output of the cell, fill a small plastic bag with the gas

flowing from the generator. Pull a dragger tube on the contents of

the bag. If you feel the unit is off, adjust the flow adjustment slightly

on top of the generating cell located inside.

•CLOCKWISE ADJUSTMENT DECREASES THE FLOW AND

INCREASES THE OUTPUT CONCENTRATION OF GAS.

•COUNTER CLOCKWISE ADJUSTMENT INCREASES THE

FLOW AND DECREASES THE OUTPUT CONCENTRATION OF

GAS.

•BE SURE TO LET THE PT301N WARM UP 30 MINUTES BEFORE

VERIFYING CONCENTRATION OR ADJUSTING THE UNIT.

•BE SURE THAT FRESH BATTERIES HAVE BEEN INSTALLED

BEFORE ADJUSTMENT.

LAYOUT

PUMP

WARRANTY

PEM-TECH Inc. warrants its equipment to be free from defects in manufacturing and

material provided that such equipment was properly selected for the service intended,

properly installed, and not misused. This equipment will be replaced at Pem-Tech’s sole

option, free of charge and return shipped at lowest transportation cost.

Equipment will only be accepted for warranty repair or replacement with an RMA

number. Call Pem-Tech at 1-800-379-3894 for technical assistance and an authorized

RMA# for return products.

This warranty provides only the benefits specified and does not cover defects which

result from acts beyond the control of PEM-TECH including, but not limited to: damage

by acts of nature, accident, negligence, tampering, failure to operate in accordance with

procedures outlined in the Operations Manual. Pem-Tech’s liability under no

circumstances will exceed replacement of the unit claimed to be defective. The

warranties specified herein are in lieu of any and all other warranties, expressed or

implied. In no event, whether as a result of breach of warranty or alleged negligence,

shall Pem-Tech be liable for special or consequential damages, including, but not limited

to: loss of profits or revenue, loss of equipment or any associated equipment, cost of

capital, cost of substitute equipment, facilities or services, down time costs or claims of

customers of the purchaser for such damages.

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