Bacharach Neutronics 7100P Manual de usuario

..........

MODEL7100P

PORTABLEOXYGEN ANALYZER-TRACE RANGE

OPERATIONS MANUAL

REVISION B(MNA0010) October2014 EuroVersion#C7-01-7100-01-0 NorthAmericanVersion#C7-01-7100-01-1

MNA0010, Revision B October 2014

Introduction

ThankyouforpurchasingtheModel7100PPortableanalyzerforPPM

rangeoxygenmeasurement.

The Model 7100P Portable analyzer is a user friendly,

microprocessor controlled, oxygen measuring instrument. It has

many features to offer the user which will be described in this

manual. We recommend that all personnel who use this

instrument read this manual to become more familiar with its

proper operation.

For further detail regarding the maintenance and in-field service

of the Model 7100P Portable analyzer, please contact the

Neutronics Inc. Applications Engineering Department.

If you have questions or comments, we would like to hear from

you.

Neutronics Inc. Customer Service Department

456 Creamery Way

Exton, PA. USA 19341

Tel: (610) 524-8800

Fax: (610) 524-8807

EMAIL: info@ NeutronicsInc.com

visit us at …. www.NeutronicsInc..com

Product Serial Number

MNA0010, Revision B October 2014

Table of Contents

Introduction ……………………………………………………………...............………. 2

For Your Safety ……………………………..............…………………………......….. 4

Specifications ……………………………………………….………...............…………… 5

Warranty and Intended Use ……………………………………………..........…....... 6

Chapter 1 Principles of Operation

1.1 General ……………………………………......………........ 7

1.2 Features …………………………………………...…............. 8

1.3 System Components ………………………...........….. 9

1.4 System Configuration ………………………………............ 14

Chapter 2 Commissioning the Model 7100

2.1 Installation …………………………………..….……........ 16

2.1.1 Make Connections ………………………..….......……. 17

Solder Reflow …………..………………….……...... 17

Metal, Wire, Ceramic Annealing …………………. 18

High Purity Welding ……………………………….. 19

2.2 Start-Up …………………............……………..………………… 24

2.2.1 Check List………………………..........………………… 24

2.2.2 Power Up ………………………..........………………… 24

2.2.3 Calibration ……………………………..........…………… 25

2.2.4 Setting Alarms …………………………........……………. 26

2.2.5 Return to RUN …………………………........……………. 27

Chapter 3 Modes of Operation

Mode Diagram ……………….……......………………....…… 28

3.1 Run …………...………………...………............………………… 29

3.2 Calibration ……………………..……...…………......……………….29

3.3 Set or View Alarm Values …….…….....………...…………… 32

3.4 Fault ……………........…………………………………......……… 34

3.5 Alarm Active Mode ...…..…...................................................... 34

Chapter 4 Analog Outputs …………………………………………….....… 35

Chapter 5 Alarm Outputs …………………………..…………………………. 36

Chapter 6 Serial Service Port (Using Windows 95 HyperTerminal….. 37

Chapter 7 Maintenance ….......................................………….............................. 41

Chapter 8 Trouble Shooting ……………...........……..……………………….…… 42

Appendix A Spare Parts Listing ................…….......................................... 44

B MSDS ........................................………..................….…............... 45

C Changing the Factory Settings................……..........…................ 46

D Drawings …………………………………….………………………. 47

MNA0010, Revision B October 2014

For Your Safety:

PLEASE

•READ THIS MANUAL IN ITS ENTIRETY BEFORE ATTEMPTING INSTALLATION OR

OPERATION!

Attempting to operate the Model 7100P Portable analyzer without fully understanding its features

and functions may result in unsafe conditions.

•Always use protective eye wear and observe proper safety procedures when working with

pressurized gases.

•Always assure the pressure of gas entering the Model 7100P Portable analyzer is 1-3 psig.

•Always calibrate the Model 7100P Portable analyzer at an equivalent pressure and flow rate to the

measured gas.

•Always allow the Model 7100P Portable analyzer sensor to cool down before attempting to access

the sensor.

•Properly dispose of the oxygen sensor when it has expired.

•Ensure the MODEL 7100P Portable analyzer has been properly calibrated before use.

•Never expose the analyzer chassis or sensor to water, high humidity or moisture. The analyzer

chassis is not watertight.

•Never expose the MODEL 7100P Portable analyzer to flame or high temperatures.

•Never expose the MODEL 7100P Portable analyzer directly to unregulated gas lines, cylinder gas,

… High gas pressures may cause the oxygen sensor to rupture.

•Ensure the analyzer unit is mounted in an area of free air flow to prevent the chassis from

exceeding the operating temperature specifications. Do not mount the analyzer or sensor against

hot surfaces. Do not block the ventilation louver on the analyzer chassis.

•The standard Model 7100P Portable analyzer is not explosion proof or Intrinsically Safe. Do not

expose to flammable substances.

•Before powering up the model 7100P, it is important to purge the sensor of ambient air.

This will facilitate a quick initial response to ppm levels of oxygen . The sensor used in the

model 7100P Portable analyzer is designed for use in PPM concentrations of oxygen. If the

analyzer is powered up while the sensor is exposed to ambient air, then the sensor will saturate with

oxygen and may require up to 5 minutes recovery time once exposed to trace oxygen gases. To

prevent this delay due to saturation, you should flow ppm level oxygen (or zero gas) to the

sensor before power up. It takes approximately 5 seconds to sweep the sensor out when zero gas

is swept through the analyzer. Then you can apply power to the analyzer. Exposure to air does not

affect the life of the sensor. Likewise, also flow ppm level oxygen to sensor for 5 seconds after

power off.

This work is protected under Title 17 of the US Code and is the sole property of Neutronics Inc.

Inc. No part of this document may be copied or otherwise reproduced, or stored in any electronic

information retrieval system, except as specifically permitted under US copyright law, without the

prior written consent of Neutronics Inc. Inc.

MNA0010, Revision B October 2014

Figure 1 Model 7100 Specifications January 2001, Rev. 1

Sensor Type:

Mini-Zirconia Oxygen Sensor with Integral Heater.

Measurement

0-10ppm /0-100ppm / 0-2000ppm oxygen. May be set to auto range or to a fixed range.

Display:

0.75" LED digital display.

Resolution: 0-9.9ppm : X.X, otherwise XX

Color Coded LEDs for system status:

Alarms 1 & 2 = Red, System Fault = Yellow, System OK & on-line = Green

Signal Interface

Serial Service Port: RS-232 Computer Communications of the following data: O2 concentration,

Oxygen Concentration, alarm settings/status, Fault status

Analog Outputs: Voltage, 0-1 VDC or 0-5VDC or 0-10VDC +/-0.5% @ 1K input min.

Non-isolated 4-20 mA: +/- 0.5% , negative ground (loop is powered by analyzer)

maximum loop impedance 500. Range ID Voltage output

Alarm Outputs, optional

Relay dry contacts rated 5Amp @ 250 VAC, 5 AMP @ 30 VDC

Alarm 1 & Alarm 2: Field adjustable Form C,

Configurable for Fail Safe or Fail Alarm mode, Ascending or Descending trip.

Fault alarm: 1 Form B . Status LEDs for each alarm.

Response Time:

< 15 seconds for 90% response due to step change in ppm oxygen @ 1 SCFH flow;

approximately 5 minutes to less than 10 ppm from cold start after exposure to air

Accuracy:

+ 2 PPM at 0-50 PPM Oxygen

+ 3 PPM at 51- 500 PPM Oxygen

+ 10 PPM at 501- 2000 PPM Oxygen

* Enhanced accuracy when two point calibration at 500-700 ppm O2 & at 5-10 ppm O2

Warm up Time:

Approximately 5 minutes to reach thermal equilibrium with ambient temperature.

Power:

90-250 VAC,50/60 Hz., Single Phase USA or Euro Style

Sample Port:

1/8 inch Swagelok with SS sample tube for sample inlet

Operating Temperature:

5° to 40° C (31 - 104° F)

Storage Temperature:

-15° to 50° C (5 - 122° F)

Humidity:

0-95% non-condensing

Warranty:

Analyzer & sensor: 12 months from date of shipment under normal operation.

Operating Flow

Pressure

Sensor Flow: 0.7 to 1.2 SCFH; Total Flow: 1 SLPM

Pressure Range: 5” Hg. Column Gage Vacuum to 5 PSIG Positive Pressure

Sample Pump:

Neoprene diaphragm and valves, brushless vdc motor, plastic head

Weight:.

Less than 6 Lbs.

Mechanical:

9.10 inches wide x 7.27 inches deep x 7.15 inches high; less than 6 lbs. weight

Neutronics Inc., whose policy is one of continuous improvements, reserves the right to change specifications and this

operation manual’s content without notice. Revision B, October 2014

MNA0010, Revision B October 2014

Neutronics Inc.

Warranty Statement

Neutronics Inc. warrants to the original purchaser, that the Model 7100P Portable analyzer to be free of

defects in material and workmanship for a period of one (1) year from the date of shipment from Neutronics

Inc. or from one of Neutronics Inc.’s authorized dealers. Our liability will be limited to the repair or

replacement, at our factory, of parts found to be defective within the warranty period, as determined by

Neutronics Inc.. The parts will be repaired or replaced free of charge if shipped prepaid to the factory in the

original shipping carton. This warranty is void if the product has been subject to misuse or abuse, including but

not limited to: exposure to water, humidity- temperature- shock or pressure outside of the listed

specifications, or has not been operated in accordance with operating and maintenance instructions, for

repairs which were not performed by Neutronics Inc. or by one of its authorized dealers, or if the identifying

markings on the product label have been altered or removed.

The seller assumes no liability for consequential damages of any kind, and the buyer, by acceptance through

purchase of this product, will assume all liability for the consequences of its use or misuse by the buyer, his

employees, or others.

Neutronics Inc. reserves the right to use any materials in the manufacture, repair or service of the products

and to modify the design as deemed suitable, in so far as these materials or modifications maintain the stated

warranty.

It is the sole responsibility of the buyer / user to determine if this product is suitable for the intended

application.

THESE WARRANTIES ARE EXCLUSIVE AND IN LIEU OF ALL OTHER WARRANTIES, EXPRESSED,

OR IMPLIED INCLUDING WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR

PURPOSE .

Intended Use and Important Notes for

the Application of the Model 7100P

The model 7100P Portable analyzer was designed to provide the trained operator with useful information

relating to the concentration of oxygen. This information may be used in process control or to minimize

possible hazardous conditions which may be present in various processes. Before implementation, the user

must fully understand the operation and limitations of this instrument as well as the application for its use.

The responsibility for the proper installation, application, operation, and maintenance of the model 7100P

Portable analyzer is the sole obligation of the trained operator. The purchaser is required to ensure

operators are properly trained in the use of this unit as well as in the possible hazards associated with its use

or with the intended application. The purchaser must ensure that all of the proper warnings, labels,

instruction manuals, lock outs, redundant components, hazard analysis, and system validation have been

completed and provided to the trained operator before implementation of the model 7100P Portable analyzer

MNA0010, Revision B October 2014

MODE

RUN FAULT ALM 1 ALM 2

TRACE OXYGEN

MODEL 7100 O

2Analyzer

ZIRCONIA

SENSOR

NTRON SAMPLE

CHAPTER 1

Principles of Operation

1.1 General

The Model 7100P Portable analyzer by

Neutronics Inc. offers a cost effective

solution in a small package for oxygen

measurement and control applications.

The Model 7100P Portable analyzer is a

microprocessor based instrument

designed to accurately measure PPM

range oxygen. It is ideally suited for

measuring trace levels of oxygen in

applications including High Purity

Welding, Solder Reflow, Metal

Annealing, semiconductor furnaces,

glass manufacture, and inert atmosphere

chambers.

At the heart of the analyzer is a Neutronics Inc. micro-Zirconia ceramic oxygen sensor. The Zirconia

sensor is a solid state device which assures reliability and fast response for critical measurements.

Another advantage is since the sensor is a solid state device, it is unaffected by dry atmospheres, is

undamaged by extremely cold storage temperatures (or power down situations in cold environments),

and has indefinite storage life.

Figure 2

MNA0010, Revision B October 2014

1.2 Features: The Model 7100P is designed to be portable for convenient use in the field. It

requires connection to VAC power. There are two models available to meet power requirements of

North America and for Europe. Provided with the 7100P is a Stainless Steel Sample tube with 1/8

inch Swagelok connection.

Other Features Include:

•Auto Ranging or Fixed Range Oxygen Measurement

•Bi-Directional Service Port for RS-232 serial interface for connection to a PC, terminal, or printer.

•Two Analog Outputs: 4-20 mA negative ground AND 0-1, 0-5, or 0-10 VDC

•Optional Two Adjustable Alarms with Relay Contacts and a Fault Alarm Contact. The adjustable

alarms may be configured fail-safe or Non fail-safe & as Ascending or Descending Trip

•Optional external filter packages for measurement in solder reflow or other industrial applications.

1.3 System Components

Figure 3 Main Features of the Model 7100P Portable

analyzer :

MODE

RUN FAULT ALM 1 ALM 2

TRACE OXYGEN

MODEL 7100 O

2Analyzer

ZIRCONIA

SENSOR

NTRON SAMPLE

Rugged Carrying Case w/ Handle

Large Bright LED Display

Color Coded Status LEDs

Mode Buttons

Mini Zirconia Oxygen Sensor

With internal filter

Internal

Pump

and local

indication

of flow

SS Sample tube

MNA0010, Revision B October 2014

The basic components of the model 7100P Portable analyzer are shown below in Figure 4:

Figure 4

Internal Assembly of the

Analyzer Control Module

Control Module

Pump

Bypass Valve

Sample Inlet Port

Flow Meter

Tee

fitting

MNA0010, Revision B October 2014

1.3.1 Main Board

The microprocessor-based main board controls the operation of the Model 7100P Portable analyzer.

The main board receives the sensor signal, amplifies it, and provides the control and display functions of

the analyzer.

1.3.2 Relay Board

The Relay Board provides dry contacts for alarms 1 & 2 plus the Fault alarm. Alarm 1 & 2 are field

adjustable setpoints based on the concentration of oxygen. Alarms 1 & 2 may factory configured as

Ascending or Descending trip AND Fail safe or non-Fail Safe. The default settings are ascending and

non-Fail Safe for both alarms 1 & 2. Alarms 1 & 2 are 1 form C (DPDT) relay contacts. The Fault alarm

is a 1 Form B (SPST-N/O held closed during normal operation) relay contact which is factory configured

as Fail Safe and is used for detection of system errors. System errors include Calibration failure, out of

Range, A/D error, and software watchdog.

1.3.3 Power Supplies: The controller power supply board is designed to take 90-250 VAC 50/60 Hz.

as input. The supply is internally fused directly on the board. A secondary 90-250 VAC 50/60 Hz. power

supply is provided to drive the VDC Pump. 7100P Models are available to meet power requirements for

use in North America, Asia or Europe.

1.3.4 Display Board: The Display board is designed to generate a digital indication of the

concentration of oxygen. The Display will also indicate error codes.

Flowmeter

Power Supply for Pump

Fuse

Ground

Lug

Power Socket

Power Switch

Figure 4 cont…

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