Geräte Informationen:

Fluke 2625A Sonstiges
Hersteller:
Fluke
Modell: 2625A
Datum: 1990
Kategorie: Messgeräte
Gruppe: Sonstiges
Beschreibung: Data Acquisition Unit
Informationen:
                                    The 2620A Hydra Series II Data Acquisition Unit is a
multi-channel data acquisition unit able to measure ac and
dc voltages, temperature via thermocouples and RTDs,
resistance, and frequency. It features 21 measurement
channels, 8 digital input/output lines, a Totalizer input,
and 4 alarm output lines. The Data Acquisition Unit is
easily carried by hand and can be ac or dc powered. The user
can choose communications with a host computer over an
RS-232 (standard) or IEEE-488 (2620A/05) computer interface.

The 2620A comes with a removable Universal Input Module that
enables fast, convenient set-up and reconfiguration. Any
combination of dc voltage, ac voltage, thermocouple, RTD,
resistance, or frequency measurements can be connected to
the input module without the need for additional signal
conditioning. Thermocouple reference junction compensation
is automatically performed by sensing the temperature of the
input module's isothermal block.

Features:

    Channel Scanning: can be continuous scanning, scanning
at an interval time, single scans, or triggered (internal or
external) scans
    Channel Monitoring: make measurements on a single
channel and view these measurements on the display
    Channel Scanning and Monitoring: view measurements made
for the monitor channel while scanning of all active
channels continues
    Multi-Function Display: Left (numeric) display shows
measurement readings; also used when setting numeric
parameters; Right (alphanumeric) display used for numeric
entries, channel number selection and display, status
information, and operator prompts
    Front-Panel Operation
    Measurement Input Function and Range:
     Volts dc (Vdc), dc voltage ranges 300 mV, 3 V, 30 V, 300 V
     Volts ac (Vac), ac voltage ranges 300 mV, 3 V, 30 V, 300 V
     Frequency (Hz), 15 Hz to 1 MHz
     Resistance (Ω), resistance ranges: 300 Ω, 3 kΩ, 30 kΩ,
300 kΩ, 3 MΩ, 10 MΩ
    Temperature Measurement: Thermocouple types J, K, E, T,
N, R, S, and B, and Hoskins Engineering Co. type C are
supported. Also, DIN/IEC 751 Platinum RTDs are supported
    Totalize Events on the Totalizing Input
    Alarm Limits and Digital Output Alarm Indication
    4-Terminal Resistance Measurements (Channels 1 through
10 only)
    RS-232 Computer Interface Operation
    Measurement Rate Selection
    Nonvolatile Memory: Storage of minimum, maximum, and
most recent measurements for all scanned channels. Storage
of Computer Interface setup, channel configurations, and
calibration values.
    RS-232 interface (IEEE-488 available with option 05)
    90 to 264 Vac, 50 or 60 Hz operation; or 9.0 to 16 Vdc
    Weight: 7 lb; Size: 93 mm (3.67 in)H x 216 mm (8.5 in)W
x 312 mm (12.3 in)D

Folgende Anleitungen sind für obiges Gerät verfügbar:

Fluke -- 2625A -- Datenblatt
Dateiname: Fluke-6511-Manual-Page-1-Picture
Dokumenttyp: Datenblatt
Seitenanzahl: 12
Dateigröße: 186.46 Kbytes (190940 Bytes)
Sprache: Englisch
Revision: C
Dokument-ID/Nummer: 1264012
Datum: März 2002
Qualität: Elektronisches Dokument, kein Scan, sehr gut lesbar.
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Downloads: 98 seit 29 November 2014
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Fluke -- 2625A -- Bedienungsanleitung
Dateiname: Fluke-7705-Manual-Page-1-Picture
Dokumenttyp: Bedienungsanleitung
Seitenanzahl: 196
Dateigröße: 7.12 Mbytes (7464791 Bytes)
Sprache: Englisch
Revision: 4
Dokument-ID/Nummer: 885988
Datum: Oktober 1993
Qualität: Gescanntes Dokument, alles ist lesbar.
Upload Datum:
MD5: 8d65143a9dfbc268698139c8b33796b3
ed2kID: fea6cad8c14e3910f08f35272b05baba
Downloads: 23 seit 08 Februar 2016
Informationen:
1 INTRODUCTION
..........................................................................
1-1
THE HYDRA DATA ACQUISITION UNIT
................................... 1-1
THE HYDRA DATA LOGGER
...................................................... 1-1
OPTIONS AND ACCESSORIES
................................................... 1-1
Applications Software
..............................................................
1-1
IEEE-488 interface Assembly
...................................................... 1-3
Connector Set (2620A-100)
........................................................... 1-3
Accessories
..............................................................................
1-3
WHERE TO GO FROM HERE
.................................................'....1-3
2 OVERVIEW
.................................................................................
2-1
INTRODUCTION
....................................................................2-1
SETTING UP THE INSTRUMENT
......................................... 2-1
Unpacking and Inspecting the Instrument .................
—..............2-1
Adjusting the Handle
..................................................................
2-1
Line Power
..............................................................................2-2
Front / Rear Panel Features
........................................................2-2
Input Channels
...........................................................................
2-7
OPERATING MODES
...................................................................
2-7
TURNING THE INSTRUMENT ON
.................................... 2-8
FRONT PANEL DISPLAY
................................................... 2-8
READING THE DISPLAY
..............................................................
2-8
Left Display
..............................................................................
2-9
Right Display
..............................................................................
2-9
Specific Annunciators
..................................................................
2-9
FRONT PANEL BUTTONS
...........................................................2-9
Selecting a Channel
.....................................................................
2-9
Using the Buttons
.......................................................................
2-9
SETTING UP A CHANNEL
........................................................... 2-11
SETTING ALARM LIMITS AND Mx+B SCALING VALUES ..........2-13
Alarm Limits
.............................................................................
2-13
Mx+B Scaling
..........................................................................
2-14
SETTING THE SCAN INTERVAL
................................................. 2-15
USING THE MONITOR FUNCTION
............................................. 2-15
USING THE SCAN FUNCTION
.................................................... 2-16
REVIEWING CHANNEL DATA
......................................................2-16
VIEWING THE TOTALIZER COUNT
....................................... 2-17
USING EXTERNAL DC POWER
.................................................... 2-17
USING THE RACK MOUNT KIT
.................................................. 2-17
3 OPERATING THE INSTRUMENT FROM THE FRONT PANEL .......... 3-1
INTRODUCTION
...............................................................
3-1
OPERATING MODES
...............................;................................
3-1
OTHER DISPLAYED DATA
........................................................... 3-1
WHAT IS THE PRESENT CONFIGURATION?
...............................3-2
If Power is Interrupted
..............................................................3-2
If the Configuration is Reset
........................................................ 3-3
CHANNEL CONFIGURATION
..................................................... 3-3
Selecting Channel, Function, and Range
........................................ 3-4
Setting Alarms
........................................................................
3-7
ALARM LIMITS
................................................................
3-7
ALARM INDICATIONS
........................................................ 3-9
RESETTING ALARM CONDITIONS ............................. 3-10
Using the Digital I/O Lines
...................................................... 3-10
Mx+B Scaling .............................
—.................................... 3-11
INSTRUMENT CONFIGURATION
............................................. 3-13
Entering and Changing Numeric Values
........................................... 3-13
Selecting the Measurement Rate
.................................................. 3-14
Selecting Scan Interval
................................................................
3-14
Triggering
................................................................................
3-15
External Triggering
................................................................
3-15
Changing the Temperature Unit
...................................................... 3-15
Setting Date and Time of Day
......................................................3-16
MEASUREMENT CONNECTIONS
.................................................3-16
DC Volts, AC Volts, Frequency, and Thermocouples
......................... 3-16
Resistance and RTD
.................................................................
3-17
TOTALIZING
..............................................................................
3-20
General ....
—..........................................................................
3-20
Connections.............................................................................
3-20
REVIEW ARRAY
...........................................................................3-21
LIST BUTTON FUNCTIONS
........................................................... 3-22
AUTOPRINT
..................................................................................3-23
MEMORY
STORAGE.................................................................
3-23
FRONT PANEL LOCKOUT FUNCTIONS
.........................................3-24
Front Panel Review Only
Function........................................... 3-24
Front Panel Monitor Only Function
.................................................... 3-25
Computer Interface-Initiated Lockouts -
·.................................... - — 3-25
REM ANNUNCIATOR
....................................................................3-25
CALIBRATION
.........................................................................
3-26
4 USING THE COMPUTER INTERFACE
..................................... 4-1
INTRODUCTION
................................................................
4-1
Front Panel and Computer Interface Operations
.............................4-1
Types of Computer Interface
.........................................................4-2
USING THE RS-232 COMPUTER
INTERFACE.............................4-2
Setting Communication Parameters (RS-232)
................................ 4-2
Autoprint and Memory Storage (RS-232)
....................................... 4-3
AUTOPRINT: COMPUTER INTERFACE CONTROL ............4-4
AUTOPRINT: OUTPUT FORMAT
..........................................4^
MEMORY STORAGE: COMPUTER INTERFACE CONTROL 4-5
MEMORY RETRIEVAL
.......................................................4-5
MEMORY FULL OPERATION
.................................................4-6
CLEARING MEMORY
........................................................4-6
Cabling the Instrument to a Host or Printer (RS-232)
..................... 4-6
Installation Test
...........................................................................4-7
RS-232 Information
.....................................................................4-7
CHARACTER ECHOING
.....................................................4-7
CHARACTER DELETION
.......................................................4-7
DEVICE CLEAR USING CTRL C
..........................................4-7
RS-232 PROMPTS
..................................................................4-8
Sample Program Using the RS-232 Computer Interface
...................4-8
USING THE IEEE-488 INTERFACE
...............................................4-8
IEEE-488 Operating Limitations
....................................................4-8
Installing the IEEE-488 Interface
.............................................. 4-8
Enabling the IEEE-488 Interface
....................................................4-11
Installation Test
...........................................................................4-12
IF THE TEST FAILS
...............................................................4-13
GENERAL INFORMATION (RS-232 AND IEEE-488)
...................... 4-13
How the Instrument Processes Input
.......................................... 4-13
INPUT STRINGS
...................................................................4-13
INPUT TERMINATORS
.........................................................4-14
TYPICAL INPUT STRINGS
....................................................4-14
SENDING NUMERIC VALUES TO THE INSTRUMENT
(RS-232/IEEE-488)
.................................................................
4-16
SENDING INPUT STRINGS TO THE INSTRUMENT.............4-16
How the Instrument Processes Output
..........................................4-16
Service Requests (IEEE-488 only) and Status Registers
...................4-17
EVENT STATUS AND EVENT STATUS ENABLE REGISTERS 4-18
STATUS BYTE REGISTER
....................................................4-18
READING THE STATUS BYTE REGISTER ...........................4-18
SERVICE REQUEST ENABLE REGISTER ........................... 4-21
INSTRUMENT EVENT REGISTER
........................................4-21
COMPUTER INTERFACE COMMAND SET
..................................4-22
5 ADDITIONAL CONSIDERATIONS
.................................................. 5-1
INTRODUCTION
.......................................................................
5-1
MEASUREMENT RATE
................................................................5-1
ADVANCED TRIGGER MECHANISMS
........................................5-1
Front Panel Trigger Control
......................................................... 5-2
Computer Interface Trigger Control
...............................................5-2
Both External and Monitor Alarms Disabled (Type 0)
.....................5-2
External Trigger Enabled (Type 1)
...............................................5-3
Monitor Alarm Enabled (Type 2)
...................................................5-3
THERMAL VOLTAGES
.................................................................5-5
WHEN MEASURING RESISTANCE (Π) OR TEMPERATURE (RTD) 5-5
TRUE RMS MEASUREMENTS
...................................................... 5-6
Effects of Internal Noise in AC Measurements
................................. 5-6
Waveform Comparison (True RMS vs Average Responding)
............5-8
MAKING MIXED MEASUREMENTS
........................................... 5-8
USING SHIELDED WIRING
..................................................... 5-10
General Rule
......................................................................
— 5-10
Alternate Suggestions
...................................................................5-10
NON-ISOLATED SENSOR CONFIGURATION ......................5-10
ISOLATED AND SHIELDED SENSOR CONFIGURATION ... 5-10 In More
Detail
......................................................................
5-11
6 MAINTENANCE
..........................................................................
6-1
INTRODUCTION
........................................................................6-1
CLEANING
..............................................................................
6-1
LINE FUSE
...................................................................................6-1
SELF-TEST DIAGNOSTICS AND ERROR CODES ................... 6-1
PERFORMANCE TESTS
..............................................................6-2
Accuracy Verification Test
............................................................ 6-5
Channel Integrity Test
..................................................................
6-5
Thermocouple Measurement Range Accuracy Test
...........................6-7
4-Terminal Resistance Test
....................................................... 6-8
Thermocouple Temperature Accuracy Test
..................................... 6-9
Open Thermocouple Response Test
...............................................6-11
RTD Temperature Accuracy Test
.................................................. 6-11
RTD TEMPERATURE ACCURACY TEST (DECADE
RESISTANCE SOURCE)
....................................................... 6-11
RTD TEMPERATURE ACCURACY TEST (DIN/IEC 751) ..... 6-13
Digital Input/Output Verification Tests
........................................6-14
DIGITAL OUTPUT TEST
.................................................... 6-14
DIGITAL INPUT TEST ........................................ 6-15
'ΤΛ'Τ'Α T ΤΠΤ’Π'Π TrPT / 1 r
TOTALIZER TEST
.................................................................
6-16
TOTALIZER SENSITIVITY TEST
.......................................... 6-17
Dedicated Alarm Output Test
.......................................................6-18
External Trigger Input Test
............................................................
6-20
CALIBRATION
..............................................................................
6-21
VARIATIONS IN THE DISPLAY
....................................................6-21
SERVICE
.................................................................................
6-22
APPENDICES
A.
Specifications........................................................................................A-l
B. ASCII/IEEE-488 Bus
Codes.....................................................................B-l
C. IEEE-488.2 Device Documentation
Requirements........................................C-l
D. Service
Centers.......................................................................................D-l
E. Making Mixed
Measurements...................................................................E-l
F. Binary Upload of Logged Data
(LOG_BIN?)..............................................F-l
INDEX INDEX-1
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