Metertech SP-870+ Guide de démarrage rapide

Metertech Inc. provides this publication “as is”without warranty of any kind,

either express or implied, including, but not limited to the implied warranties

of merchantability or fitness for a particular purpose.

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thereof in any form without permission in writing from Metertech Inc.

Information in this publication is subject to change without notice and does

not represent a commitment on the part of the vender.

Any errors or omissions which may have occurred in this publication despite

the utmost care taken in its production will be corrected as soon as possible,

but not necessarily immediately upon detection.

Metertech Inc.‧63-2, ChengGong Rd., Sec. 1, NanGang, Taipei, Taiwan, ROC

E-Mail: [email protected] ‧Web Site: www.metertech-inc.com

Tel: 886-2-2783-2854 ‧Fax: 886-2-2783-1764

CONTENTS

Introduction .......................................................................................

Description ...................................................................................

Components .................................................................................

Keyboard and display layout .......................................................

Rear panel layout .........................................................................

Specifications ...............................................................................

Installation .........................................................................................

Standard equipment .....................................................................

Environmental and electrical conditions .....................................

Installation ...................................................................................

Operation ..........................................................................................

Powering up the equipment ........................................................

Absorbance and Transmittance measurements ...........................

Concentration measurement with a factor ...................................

Concentration measurement with a standard ...............................

System functions ..........................................................................

Data saving and retrieve ..............................................................

Printer ..........................................................................................

Analog output ..............................................................................

Maintenance ......................................................................................

Routine care .................................................................................

Replace the lamp .........................................................................

Messages .....................................................................................

Replacement parts .......................................................................

INTRODUCTION

Description

The model SP-870+ visible spectrophotometer is a digital microprocessor

controlled instrument, providing photometric absorbance, transmittance and

concentration measurements with the wavelength range of 330 to 1100 nm.

The spectrophotometer has the following unique features:

1. Two-line, 16-large character LCD display

2. Motorized optical filter wheel and grating

3. Multi-use sample compartment for square cuvettes, 0.5” & 1” round tubes

and 50 mm longpath cells

4. Printer and RS232 interface

5. Base-line data for entire wavelength range

6. 100 sets of data storage

Components

1. LCD display 4. Model name and company brand

2. Sample compartment door 5. AC adapter

3. Keyboard 6. Lamp compartment door

Figure 1: Components of SP-870+ spectrophotometer

Keyboard and display layout

1. A/T/C button:

Switch among absorbance, %transmittance and

concentration modes

2. λbutton:

For entering desired wavelength

3. Numerical buttons:

For input the wavelength, factor, and

concentration

4. ENTER button:

To confirm selections or entries of fields or

parameters, or to start measuring process

according to current setting

5. ESC button:

To quit from the current process, or to quit the

current screen and return to previous screen

6. BLANK button:

Set the instrument to 100% transmittance, or

zero absorbance or zero concentration

7. FUNCTION button:

Selecting and performing supporting functions

shown in the screen

8. PRINT button:

Print out the current reading on screen

9. SAVE button:

Save the current reading in memory

10. VIEW button:

Review the stored data sequentially

11. Display panel:

16 large characters by 2 lines LCD

Figure 2: Keyboard and display layout

Rear panel layout

1. DC fan

2. Power switch

3. DC voltage input

4. RS232 port

5. Printer port

Figure 3: Rear panel layout

Specifications

_______________________________________________________________

Wavelength 330 ~ 1100nm

Bandwidth pass 5nm

Wavelength accuracy +/- 1nm

Wavelength repeatability +/- 0.5nm

Photometric range -0.300 ~ 3.500Abs

Measurement mode A / %T / C

Factor 0.1 ~ 9,999.9

Concentration 0.000 ~ 99,999.99

Photometric accuracy 1% or 0.003A(from 0.000 to 2.500A),

whichever is greater by NIST SRM930e

Stability < 0.003Abs/hr at 500nm after one hour

warm-up

Baseline flatness +/- 0.005 Abs(at 400 ~ 1100nm)

Stray light < 0.1% at 340nm by NIST SRM2031

Light source 12V halogen lamp

Detector Si photodiode

Wavelength scanning speed 2500nm/min

Cuvettes 10mm square cuvette, 10 ~ 13mm round

tube, 16mm round tube(option), 50mm

rectangular cell, and 1 inch round tube

Light beam height 8.5mm at measurement position

Data storage 100 sets

Display 16 x 2 large characters LCD

Interface RS232 and parallel printer

Function Initial wavelength, lamp tuning, system

validation, resolution

PC software Data collection from saved memory; real

time data display and storage

Power 100 ~ 240V at 50/60Hz

Dimension 400(W) x 300(D) x 145(H) mm

Weight 7.5 kgs

Ambient temp/humidity room temperature 15 ~ 35℃,

humidity < 80%

_______________________________________________________________

Specifications subject to change without notice

INSTALLATION

Standard equipment

The package contains items listed below. Unpack the carton and inspect

carefully. If any part is damaged or missing, contact your dealer immediately.

Qty Description

1 SP-870+ spectrophotometer

1 AC adapter

1 Power cord

1 Operator’s manual

5 10mm plastic square cuvette

1 Dust cover

150mm cuvette bracket

1 1 inch tube bracket

Environmental and electrical conditions

The instrument has been designed to operate and meet the specifications on

previous pages under the electrical and environmental requirements listed

below.

Line voltage

100-240Vac, 50-60 Hz

Environment conditions

Ambient temperature from 15℃to 35℃and maintained at +/-2℃;

relative humidity from 20% to 80% and maintained at +/-5%.

Installation

1. Place the spectrophotometer on a solid and level surface in a dry, clean

environment.

2. Leave an open space at least 50mm distance from rear panel and side walls

to guarantee air flow around the instrument.

3. Connect the female end of power cord into the inlet of AC adapter, and then

the outlet plug of AC adapter into the DC input hole on the rear panel of

instrument.

4. Plug the power cord into a grounded wall outlet with the appropriate

voltage.

5. Connect the Centronics parallel printer to the instrument at the print port.

6. Turn on the power switch and allow instrument to warm up at least 30

minutes for electronic and thermal stabilization.

7. The standard cell holder is adaptable for 10 mm square cuvette and 1/2”

round tube. For 50 mm long-path cell measurement, please unscrewing

two white knobs (#1) and removing metal bracket #2 inside the sample

compartment as shown in figure 4a, then locate bracket #3 and tighten two

knobs again(figure 4b).

8. For 1” round tube measurement, orient bracket #4 and tighten two knobs

(figure 4c).

Figure 4a: Standard cell holder for 10 ~ 13 mm cuvettes

Figure 4b: 50 mm rectangular cell holder

Figure 4c: 1” cylindrical cell holder

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