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1830-C
Newport 1830-C User Manual
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Definitions
A
amps
ADC
analog-to-digital converter
BNC
standard coaxial connector type
degree C
degrees Centigrade
Hz
Hertz (cycles per second)
k
kilo (10
3
)
kHz
kilohertz
k
Ω
kilo-ohms
µ
micro (10
--6
)
m
milli (10
-3
)
mA
milliamps
mV
millivolts
n
nano (10
-9
)
nA
nanoamps
nm
nanometers
RH
relative humidity
S/N
serial number
µA
microamps
µs
microseconds
V
volts
W
watts
9
11
Table of Contents
Default Chapter
3
Warranty
3
EC Declaration of Conformity
4
Table of Contents
5
Safety Symbols and Terms
9
Definitions
10
Specifications
11
Section 1 - General Information
14
System Overview
14
Scope of this Manual
15
Unpacking and Inspection
15
Preparation for Use
15
Section 2 - Initial Setup
16
Introduction
16
Setting the Line Voltage Selector Switch
16
Detector Connection and Setup
17
Configuring the Computer Interface
17
Power up / Auto-Calibration
18
Section 3 - System Operation
19
Introduction
19
Digital Display
19
Front Panel Key Functions
21
LOCAL (R/S) Local Mode & Run / Stop
22
ZERO Offset Subtraction
22
UNITS Display Units
22
Storef
23
Store Reference Value
23
AVG Numerical Averaging
23
Wavelength Increment
23
Wavelength Decrement
24
Power
24
ATTN Optical Attenuator
24
BKLT Backlight
24
BEEP Audible Beeper
24
AUTO Automatic Gain Ranging
24
Range
25
Manual Range up
25
Manual Range down
25
Default Meter Configuration
25
Section 4 - Performing Measurements
26
Introduction
26
Photodetector Considerations
26
4.2.1 Detector Calibration and Accuracy
26
4.2.2 Quantum Detector Temperature Effects
27
4.2.3 Ambient and Stray Light
27
Setting the Wavelength
28
Setting the Attenuator Mode
28
Performing Basic Measurements
29
4.5.1 Power Measurements
29
Logarithmic Measurements (Db and Dbm)
29
Logarithmic Measurements Using Reference Powers (Db)
30
Logarithmic Measurements Using 1 Mw Reference (Dbm)
30
4.5.3 Relative Measurements
31
Common Measurement Errors
32
Section 5 - Computer Interfacing
33
Introduction
33
Computer Interface Terminology
33
Entering Remote Computer Interface Mode
34
RS-232C Communication
35
5.4.1 Setting the Baud Rate
36
5.4.2 RS-232C Command Termination
36
General Guidelines for Using the RS-232C Port
37
GPIB Communication
37
Setting the GPIB Address
37
5.5.2 GPIB Command Termination
38
General Guidelines for Using the GPIB Port
39
5.5.4 Procedure for Reading Only New Measurements
39
Section 6 - Remote Command Set
40
Summary of Command/Query Set
40
Detailed Description of Commands and Queries
42
An Attenuator On/Off
42
Attenuator Query
42
Beeper Query
43
Bn Beeper On/Off
43
Clear Status Byte Register
43
Data Query
44
Echo Mode Query
44
En Echo Mode On/Off-( RS-232C Interface Only)
44
Filter (same as Averaging) Status Query
45
Fn Filter ( same as Averaging ) Slow, Medium, Fast
45
Gn Go On/Off (Run/Stop Signal Acquistition)
46
Go Query
46
Keypad/Display Backlight Intensity Level Query
47
Kn Keypad / Display Backlight On/Off
47
Ln Local-Lockout On/Off
48
Local-Lockout Query
48
Mn Service Request Enable Register (Mask)
49
Auto-Calibration
50
Service Request Enable Register Query
50
Status Byte Register Query
51
Rn Range Setting
52
Range Query
53
Store Reference
53
Un Units
54
Units Query
54
Wavelength Query
55
Wnnnn Set Wavelength to Nnnn
55
Zero Function Query
56
Zn Zero On/Off
56
Section 7 - Troubleshooting and Maintenance
57
Troubleshooting Guide
57
Cleaning Procedure
58
Re-Calibration Schedule
59
Section 8 - Factory Service
60
Introduction
60
Obtaining Service
60
Appendices
63
Status Reporting System
63
Sample Programs
66
Example Program for RS-232C Communication
66
Example Program for IEEE 488 Communication
69
Simplified 1830-C Functional Block Diagram
72
4
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Newport 1830-C Specifications
General
Brand
Newport
Model
1830-C
Category
Measuring Instruments
Language
English
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