Fluke 715 Manual

Introduction

The Fluke 715 Volt/mA Calibrator is a source and measurement tool for 0 to 24 mA current loop testing and dc voltage from 0 to 20/25 V. The calibrator does not source and measure simultaneously.
Your calibrator is supplied with a holster, a set of test leads, an installed 9 V alkaline battery, and this instruction sheet.

Summary of Calibrator Capabilities

International Symbols

Symbol	Meaning
	Earth ground
	Fuse
	Battery
	Refer to this instruction sheet for information about this feature.
	Double insulated
	Conforms to relevant Canadian Standards Association directives.
	Conforms to European Union directives

Turning the Calibrator On

Press the green pushbutton to turn the calibrator on and off.
For longest battery life:

• For mA output, use current simulate mode instead of source mode when an external 24 to 30 V loop power supply is available. (See Simulating a Transmitter.)
• Turn off the calibrator when not in use.

The Calibrator automatically turns off after 30 minutes of inactivity. To reduce this time or disable this feature:

1. With the Calibrator OFF, press the key. P.S.xx is displayed, where xx is the turn-off time in minutes. OFF means the power saver is disabled.
2. Press and/or to increase or decrease the turn-off time in minutes.
3. To disable, press until the display shows OFF.

HART^TM Resistor Mode

The calibrator has a user selectable 250 ohm HART^TM resistor to facilitate use with HART^TM communication devices. The resistor can be switched in/out at any time by simultaneously pressing the and keys. Use a HART^TM communicator when measuring dc mA with loop power or sourcing mA.

Span Check Feature

The calibrator allows the users to store 0% and 100% setpoints for each output function. Once setpoints are stored, the span check feature allows the user to quickly toggle back and forth from 0% to 100% or to step in 25% increments.
Automatic step and ramp modes can be enabled while in the span check mode by simultaneously pressing the keys. First select the desired output mode (V,mV or mA) then preceed to store the setpoints:

1. Storing 0% and 100% Setpoints
2. Using the controls set the output to the desired output value for 0%.
3. Press the scroll keys simultaneously to store the 0% value.
4. Now using the controls set the output to the desired output value for 100%
5. Again, press the scroll keys simultaneously to store the 100% value.

Measuring dc Volts

Sourcing dc Volts

Measuring dc mA

Measuring dc mA with Loop Power

Using the Current Output Modes

The calibrator provides current output in mA or percent display. Percent is -25.00 to 125.00%, where 0% is 4 mA, and 100% is 20 mA.
In source mode, the calibrator supplies the current. In simulate mode, the calibrator simulates a two-wire transmitter in an externally-powered current loop.

Sourcing mA

Use source mode whenever you need to supply current into a passive circuit such as a current loop with no loop supply. Insert the test leads into the OUTPUT + and − mA jacks as shown below.
Note
A path must exist for current to flow between the OUTPUT + and −mA jacks, otherwise the display will indicate an overload (OL) when you set an output value.

Simulating a Transmitter

Use simulate mode when an external 24 to 30 V loop power supply is available.
Insert the test leads into the mA SIMULATE − and + jacks as shown below.

Maintenance

For maintenance procedures not described in this sheet, contact a Fluke Service Centre.

In Case of Difficulty

• Check the battery and test leads. Replace as necessary.
• Review this sheet to make sure you are using the correct jacks and pushbuttons.

If the calibrator needs repair, contact a Fluke Service Centre. If the calibrator is under warranty, see the warranty statement below for terms. If the warranty has lapsed, the calibrator will be repaired and returned for a fixed fee. Contact a Fluke Service Centre for information and price.

Cleaning

Periodically wipe the case with a damp cloth and detergent; do not use abrasives or solvents.

Calibration

Calibrate your calibrator once a year to ensure that it performs according to its specifications. A calibration manual is available (PN 686540). Call 1-800-526-4731 from the USA and Canada. In other countries, contact a Fluke Service Centre.

Replacing the Battery

To avoid false readings, which could lead to possible electric shock or personal injury, replace the battery as soon as the battery indicator () appears.

Replacement Parts and Accessories

Replacement Parts

Specifications

Specifications are based on a one year calibration cycle and apply from +18°C to +28°C unless stated otherwise. "Counts" means number of increments or decrements of the least significant digit.

DC V Input and Output

DC mA Input

DC mA Output

Range: 0 mA to 24 mA
Percent display: 0% = 4 mA, 100% = 20 mA
Accuracy: ±(0.01% of reading + 2 counts)

Source mode:
Compliance: 1000 Ω at 20 mA for battery voltage ≥6.8 V (700 Ω at 20 mA for battery voltage 5.8 to 6.8 V)

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

Loop Power
24 V ±10%

General Specifications

Maximum voltage applied between any jack and earth ground or between any two jacks: 30 V
Storage temperature: -40°C to 60°C
Operating temperature: -10°C to 55°C
Operating altitude: 3000 meters maximum
Temperature coefficient: ±0.005% of range per °C for the temperature ranges -10 to 18°C and 28 to 55°C
Relative humidity: 95% up to 30°C, 75% up to 40°C, 45% up to 50°C, and 35% up to 55°C
Vibration: Random 2 g, 5 to 500 Hz
Shock: 1 meter drop test
Safety: Certified as compliant to CAN/CSA C22.2 No. 1010.1:1992. Complies with ANSI/ISA S82.01-1994.
Power requirements: Single 9 V battery (ANSI/NEDA 1604A or IEC 6LR61)
Size: 32 mm H x 87 mm W x 187 mm L (1.25 in H x 3.41 in W x 7.35 in L);
With holster: 52 mm H x 98 mm W x 201 mm L (2.06 in H x 3.86 in W x 7.93 in L)
Weight: 349 g (12.3 oz);
With holster: 601 g (21.2 oz)

Safety Information

Use the calibrator only as specified in this sheet, otherwise the protection provided by the calibrator may be impaired.
A Warning identifies conditions and actions that pose hazard(s) to the user; a Caution identifies conditions and actions that may damage the calibrator or the equipment under test.

To avoid possible electric shock or personal injury:

• Never apply more than 30 V between any two jacks (terminals), or between any jack and earth ground.
• Make sure the battery door is closed and latched before you operate the calibrator.
• Remove test leads from the calibrator before you open the battery door.
• Do not operate calibrator if it is damaged.
• Do not operate the calibrator around explosive gas, vapour, or dust.
• When servicing the calibrator, use only specified replacement parts.

Use the proper jacks, function, and range for your measurement or output application.

Shop for Fluke products online at:
www.MyFlukeStore.ca
1.877.766.5412

If the calibrator is damaged or something is missing, contact the place of purchase immediately. Contact your Fluke distributor for information about accessories. To order replacement parts or spares, see "Replacement Parts."
To contact Fluke, call one of the following telephone numbers:
USA and Canada: 1-888-99-FLUKE (1-888-993-5853)
Europe: +31 402-675-200
Japan: +81-3-3434-0181
Singapore: +65-*-276-6196
Anywhere in the world: +1-425-356-5500
Address correspondence to:
Fluke Corporation
P.O. Box 9090,
Everett, WA 98206-9090
U.S.A.
Fluke Europe B.V.
P.O. Box 1186,
5602 BD Eindhoven
The Netherlands
Visit us on the World Wide Web at: www.fluke.com

References

• Fluke meters - MyFlukeStore.ca
• Fluke Corporation: Fluke Electronics, Calibration and Networks

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