Fluke 705 Bedienungsanleitung

Fluke Nicht kategorisiert 705

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PN 667345 December 1998, Rev.1, 12/99

All product names are trademarks of their respective companies. 1

Model 705

Loop Calibrator

Calibration Information

W Warning

To avoid electrical shock, remove test leads and any input signals from the

Model 705 Loop Calibrator before opening the case.

Caution

The Model 705 Loop Calibrator contains parts that can be damaged by static

discharge. Follow the standard practices for handling static sensitive

devices.

Introduction

The Calibration Information for the Model 705 Loop

Calibrator (hereafter referred to as the Loop

Calibrator) provides the information necessary to

calibrate and verify the performance of the Loop

Calibrator.

This document includes the following:

• Contacting Fluke for service

• Specifications

• Cleaning

• Replacing the battery

• Disassembly and reassembly

• Recommended test equipment

• Performance verification procedures

• Calibration adjustments

• User-replaceable parts

Complete operating instructions and the warranty

statement for the Model 705 Loop Calibrator are

provided in the that came with it.Instruction Sheet

Contacting Fluke for Service

This Fluke product will be free from defects in

material and workmanship for three years from the

date of purchase.

The complete warranty statement is in the Model 705

Loop Calibrator Instruction Sheet.

To locate an authorized service center, visit us on the

World Wide Web: or call Fluke usingwww.fluke.com

the phone numbers listed below:

• 1-888-99FLUKE (1-800-993-5853) in USA

• 1-800-36-FLUKE (1-800-363-5853) in Canada

• +31 402-678-200 in Europe

• +81-3-3434-0181 in Japan

• +65-738-5655 in Singapore

• +1-425-356-5500 from other countries

Fluke 705

Calibration Information

Specifications

Product specifications are provided Tables 1 and 2. These specifications are based on a 1-year calibration cycle and

apply from 18 ºC to 28 ºC (64 ºF to 82 ºF) unless stated otherwise. Accuracy specifications are given as follows:

± ( [ % of reading ] + [ number of least significant digits ] ).

Table 1. General Specifications

Maximum voltage between any

terminal and earth ground or

between any two terminals

30 V

Display: 0 to 28 V with 0.001 V resolution, 0 to 24 mA with 0.001 mA resolution

Operating Temperature: -10 °C to 55 °C

Storage Temperature: -40 ° °C to 60 C

Temperature Coefficient: ± ° ° 0.005 % of range per C for -0 C to 18 C to 55 °C and 28 ° °C

Relative Humidity: 95 % to 30 °C,

75 % to 40 °C,

45 % up to 50 °C,

35 % up to 55 °C

Operationing Altitude: 3000 meters maximum

Power Requirements: Single 9 V battery (ANSI/NEDA 1604A or IEC 6LR61)

Battery Life (Typical): Source Mode: 18 hours; 12 mA into 500 Ω

Measure / Simulate Mode: 50 hours

Shock, Vibration: 1 meter drop test

Random vibration 2 g @ 5 to 500 Hz

Size (H x W x L): 32 mm x 87 mm x 187 mm (1.25 in x 3.41 in x 7.35 in)

Weight: 349 g (12.3 oz). With Holster and flex-stand: 601 g (21.2 oz)

Safety Certified as compliant to CAN/CSA C22.2 No. 1010.1:1992.

Complies with ANSI/ISA S82.01-1994

Certification P and )

Table 2. Accurcy Specifications

Function Range Resolution Accuracy

DC Volts Input + 28 V 0.001 V ± (0.025 % + 1)

DC mA Input 24 mA 0.001 mA ±( 0.02 % + 2)

DC mA Output 0 mA to 24 mA 0.001 mA ± (0.02 % + 2)

E 0 % -100 % - 0 % 40 second smooth ramp

O 0 % -100 % - 0 % 15 second smooth ramp

N 0 % -100 % - 0 % Stair-step ramp in 25 % steps, pausing 5 seconds at each step

Source mode: Compliance: ≥ Ω 1000 at 20 mA

Simulate mode: External loop voltage requirements: 24 V nominal, 30 V maximum, 12 V minimum

Loop Power ≥ 24 V

Percent display - 25 % to 125 %

Input/Output protection Input/Output protection on mA range: resettable, nonreplaceable 0.1 A fuse.

Loop Calibrator

Cleaning

W Warning

To avoid electrical shock, remove test

leads and input signals before cleaning.

To clean the case, wipe it with a cloth lightly

dampened with water and a mild detergent.

Do not use abrasives, solvents, or alcohol.

Replacing the Battery

WWarning

To avoid false readings, which could lead

to possible electric shock or personal

injury, replace the battery as soon as the

low battery symbol ( M ) appears on the

Loop Calibrator’s display.

To replace the battery:

1. Lift and remove the battery cover to gain access

the battery compartment. See Figure 1.

2. Lift the battery from the case bottom and insert a

new 9 V battery.

3. Be sure the positive and negative battery posts

are oriented correctly, as noted in the bottom of

the battery compartment.

AAK07F.EPS

Figure 1. Replacing the Battery

Disassembling and Reassembling the

Calibrator

W Warning

To avoid electric shock or personal injury:

• Do not allow water into the case.

• Remove any input signals prior to

removing test leads and opening case.

• When servicing the Loop Calibrator,

use only specified replacement parts.

To disassemble and reassemble the Loop Calibrator,

refer to Figures 2 and 3 as necessary and perform the

following procedure.

Note

Both a Phillips-head screwdriver and a flat-

blade screwdriver are required.

1. To remove the printed circuit assembly (pca):

Remove all test leads from the terminals of the

Loop Calibrator.

2. Set the rotary switch to

OFF.

3. Lift and remove the battery cover to gain access

to the battery compartment. Remove the battery.

4. Remove all Phillips-head screws from the case

bottom.

5. Separate the case top from the case bottom.

Verify that the battery terminals are being guided

through the bottom case before completely

removing the case bottom.

6. Referring to Figure 3, insert a small, flat-blade

screwdriver between the edge of the case top and

the pca. Gently unsnap the case top from the pca.

7. Repeat step 6 for each of the remaining snaps that

secure the pca to the case top.

8. Lift the pca from the case top by its edges.

9. If the elastomeric strips for the keypad assembly

and LCD are stuck to the pca, remove them, but

do not touch the conductive edges.

Note

Before reinserting the pca, make sure that the

rotary knob is in the OFF position.

Produktspezifikationen

Marke:	Fluke
Kategorie:	Nicht kategorisiert
Modell:	705
Breite:	70 mm
Tiefe:	41 mm
Gewicht:	340 g
Steuerung:	Tasten
Höhe:	152 mm
Betriebstemperatur:	-10 - 55 °C
Relative Luftfeuchtigkeit in Betrieb:	0 - 90 %
Betriebsanleitung:	Ja
Temperaturbereich bei Lagerung:	-40 - 60 °C
Akku-/Batteriespannung:	9 V
Spannungsmessauflösung:	0.001 V
Auto-Schritt:	Ja
Bereichsprüfung:	Ja
Schleifenspannung:	30 V
Spannungsmessgenauigkeit:	0.25 %
Krokodilklemme:	Ja
Holster enthalten:	Ja