AST P-GM+ User manual

AST P-GM+

USER MANUAL

Accurate Sensors Technologies

Non-contact Infrared Pyrometers

We measure accurate temperature in extreme conditions

AST - Accurate Sensors Technologies

Misgav Industrial Park, Misgav 20173, Israel

Tel: +972-4-9990025, Fax: +972-4-9990031

Email: info@accuratesensors.com

Web: www.accuratesensors.com

Index

1. Chapter - 1

General information

2. Chapter - 2 ....................................................................................................................... 2

Introduction

2.1 Application, range and working principle

3. Chapter - 3 ....................................................................................................................... 3

Technical specification

4. Chapter - 4 ....................................................................................................................... 4

Setting at the instrument

4.1 Operation

4.2 Adjustment parameters

5. Chapter - 5 ....................................................................................................................... 6

Software Installation

5.1 Installation

5.2 parameters in main screen

....................................................................................................................... 1

We are pleased that you have chosen this high quality and highly efficient AST pyrometer for non-contact

temperature measurement.

Please read this manual carefully, step by step before performing any operation with the Pyrometer. It

contains all the necessary instructions for set up and operation of the pyrometer. When operating the instrument, it

is necessary to follow the general safety instructions.

1.1 Safety Measures

This section provides an overview about important safety regulations.

1.1.1 General

Each person working with the pyrometer must have read the user manual before operation. The Pyrometer

has only to be used for the purpose described in the manual.

1.1.2 Safety Precaution

The Pyrometer works only with 3 ‘AAA’ size batteries. This voltage is not harmful for the user.

1.1.3 Maintenance and use of Pyrometer

Pyrometer can be operated by the qualified person who has got instructions from the supervisor. It is

strongly prohibited to do technical modifications of the device without permission of the manufacturer.

1.1.4 Environmental Protection

The lens or its coating may contain harmful materials and hence it should not be disposed of with normal

waste.

1.1.5 Packaging and storage

Always use a shock-proof package for shipment of the pyrometer. It should be sealed to protect it against

humidity. Also protect the lens of the pyrometer with a cover. They should be stored at the temperature ranges from

-20°C to +70°C.

1.1.6 Warranty

AST P-GM+ instruments have a warranty of two years from the invoice date. AST will replace defective parts,

which arises from design errors or manufacturing faults. In case, if pyrometer is opened, disassembled or modified

then the guarantees will loss.

AST does not accept liability for any damage or losses which might occur, including consequential damages

and financial losses, as a result of use of the equipment.

proprietary document to AST with permission for review and usage given only to the rightful owner of the

equipment with which this document is associated.

Chapter - 1

General Information

OLED display to provide high performance and low maintenance of non contact temperature measurement in

demanding industrial environment.

2.1 Application, Range and Working Principle

The AST P-GM+ pyrometers are especially designed for glass industries purposes. They are suitable for high

temperature measurement ranging from 250°C to 600°C.

The AST P-GM+ are pyrometers with extended optical head. These instruments are equipped with a fibre optic

and an optical head. The fibre & optical head are unaffected by electromagnetically interferences (e.g. induction) and

can be used in ambient temperatures up to 70°C. The pyrometers are equipped with a display which shows in

measuring mode the current temperature. Via serial interface and the provided software the temperature can be

displayed and stored on a PC, parametrizing can also be done.

AST P-GM+ has response time of 2 msec in triggering mode. It has USB 2.0 output. Emissivity, response time

Peak Picker, Auto OFF Timing and Temperature Hold Time can be can be observed or adjusted through available

optional software.

The pyrometer temperature measurement method utilizes the fact that objects emit thermal radiation in an

amount that directly corresponds to their own temperature and surface emissivity.

The pyrometer sensor detects the amount of infrared radiation emitted by the measured object (target). The

infrared signal is analyzed and the temperature it represents is analyzed by built-in electronic system.

The applications in which AST PGM+ pyrometer can be used is:

ŸGlass Mould Industries

AST P-GM+ are specially designed highly accurate digital pyrometers with extended fibre optic head, inbuilt

Chapter - 2

Introduction

Model

Temperature Range

Spectral Range

Response Time

Repeatability

Ambient Temp. Limits

250°C….600°C

1.6 µm

2 msec. Adjustable upto 10 sec.

0.1% of reading in °C ±1°C

Max. 250°C at fiber optics cable and optical head

Accuracy +/- 0.3% of the measured value ±1°C

Emissivity

Digital Output

Logging

Power Requirement

Adjustable parameter

through software

0.1....1.0 adjustable from PC via USB

USB 2.0

1000 reading downloaded to PC via USB 2.0

Operating Temp. Range 0...70°C at handle end

P-GM+

3 AAA rechargeable Cell

Emissivity, response time, temperature unit, clear time (peak picker) via USB.

Dimension 475.50 x 48.50 x 48.50 mm

Photo Detector Type InGaAs

Chapter - 3

Technical Specifications

Ø48.50

167

475.50

Ø8

18.50

Chapter - 4

Product Overview

Certificate

Operational

Manual

Pen Drive

PGM+

Battery

Charger

Probe

Optical Head

OLED Display

Push Button for

Power ON & data capture

Back Cover

USB Connector for

Communication

& Battery Charger

Chapter - 4

Setting at the instrument

4.1 Operation

Before powering ON the pyrometer, make sure that the battery is charged up to some level. AST P-GM+ can be powered

ON by pressing the trigger button for the first time at a single push. After power ON, the device starts an initializing

routine for some seconds. After this the object temperature is shown on the OLED display. The default temperature

value shown should be 249 C when pyrometer is not in front of the target.

It starts measuring the temperature when handle is put in front of the target body. Temperature can be displayed, save

and hold by three different method, i.e. when pressing the button, when releasing the button and holding the peak

value between pressing and releasing the button.

The AST P-GM+ is provided with in built Auto-OFF feature which enable the device to power OFF automatically when

placed in an idle state to save the battery life. The Auto OFF Timing is adjustable from 1 min to 10 min through software.

The battery charging can be done by the external DC charger only provided with the kit. Temperature measurement

cannot be performed while battery charging. Make sure to remove the charger when the battery is fully charged to avoid

any damage to the battery due to over charging. The approximately charging time is around 2:30 hours.

The additional feature is with the temperature measurement OLED display starts blinking to indicate that the measuring

temperature range limit i.e. above 600°C.

Memory reallocation features is provided in which new readings over write on previous readings when 1000 readings is

completed.

4.2 Indications

AST P-GM+ is featured with different indication of

battery status such as low battery, battery charging

and battery full.

It indicates battery level status when powered ON,

after displaying AST logo. It shows full battery(100%)

in terms of 5 Blocks that is 1 block showing 20% level

each.

4.3 Optical Head

The optical head is provided with the rotational

scheme which is beneficial for the user to rotate the

head according to the target required. Head is

provided with 20 rotation for 18° rotation each(Anti-

Clockwise or Clockwise).

4.4Adjustable parameters (Through PC Software)

Emissivity : It is the relationship between the emissions of a

real object and the emission of a black body

radiation source at the same temperature. For a

correct measurement it is necessary to adjust

emissivity. Emissivity depends on the surface

condition of the material, the spectral range of

the pyrometer and the measuring temperature.

Different material has different emissivity

ranging from 0.1 to 1.0. user can change

emissivity from the software through USB.

Temp. Unit : User can select °C or °F unit.

Response time : The response time can be set from 2msec to

10sec.

Clear Memory : User can clear all the saved data from

pyrometer. Before clearing the data, it ask to

save or do not save the recorded data.

Auto OFF Timing : The Auto OFF Timing can be adjustable from 1

min to 10 min maximum.

Temperature Hold Time : It can be set from 1 sec to 30 sec. This time is

use to hold the measured temperature reading

on the OLED display for the desired time.

Temperature Hold on Pressing Button : Temperature data is displayed, saved and hold

on pressing the button.

Temperature Hold on Releasing Button : Temperature data is displayed, saved and hold

on releasing the button. Peak

Temperature Hold between Pressing and Releasing the Button : This feature is used to Hold the Peak value of

the temperature between pressing and

releasing the button.

Connection Diagram

Computer

USB cable

Chapter - 5

Software Installation

The provided AST P-GM+ software offers possibilities to connect with your system shows recorded data for

parameter setting, view offline data and to evaluate the measured data.

5.1 Installation

Install the pyrometer software using the installation guide file on CD ROM.After installation of the software.

Double click the application. It will open the screen of software.

5.2 Parameters in main screen

5.2.1 Communication

Communication between the AST P-GM+ pyrometer and the

software is implemented via a USB cable connected between

the pyrometer and the PC serial port. This enables the

acquisition and recording of data, as well as the transfer of

commands from the software application to the AST pyrometer.

When PGM is in OFF condition, a message will appear.

Now ON the PGM and software will auto detect the pyrometer.

A) Emissivity settings : The emissivity can be set by

clicking on "Parameters” and select or type in the desired

emissivity directly in the description field. The emissivity

value will be transferred to pyrometer by hitting the

"TAB" button. The emissivity range is from 0.1 to 1.0.

For a correct measurement it is necessary to adjust the

emissivity. This emissivity is the relationship between the

emission of an real object and the emission of a black

body radiation source at the same temperature. Different

materials have different emissivities ranging

between 0% and 100%. The major parameters effecting

emissivity are:

1. The surface condition of the material, rough surfaces

have higher emissivities.

2. The spectral range of the pyrometer and the measuring

temperature.

3. The Pyrometer spot size is fully filled by measured

object or not.

4. The optical losses due to any obstraction in between

pyrometer & measured object like glass window.

The emissivity setting of the pyrometer has to be adjusted

accordingly. The tolerance of the emissivity values for

each material is mainly dependent on the surface

conditions.

A. 5.2.2Parameter Setting

All user selectable device parameters can be set by using the software in the Panel "Parameter".

(B) Response Time : It can be adjustable from 2msec. to 10sec. maximum.

(C)Unit : User can change the measuring unit of temperature from “Centigrade" to “Fahrenheit" and vice versa.

(D) Auto OFF Timing : The Auto OFF Time can be adjustable from 1 min to 10 min maximum

(E) Temperature Hold Time: It can be set from 1 sec to 30 sec. This time is used to hold the measured temperature

reading on the OLED display for the desired time.

(F) Temperature Hold on Pressing Button : Temperature data is displayed, saved and hold on pressing the button.

(G) Temperature Hold on Releasing Button : Temperature data is displayed, saved and hold on releasing the button.

(H) Peak Temperature Hold between Pressing and Releasing the Button : This feature is used to Hold the Peak value

of the temperature between pressing and releasing the button.

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