AEMC 6416 Manuale utente

This document is confidential property of Chauvin Arnoux®, Inc. d.b.a. AEMC® Instruments and may not be reproduced without permission.

AEMC® Instruments retains the right to make changes to specifications herein at any time, without notice.

v1 – 11/23/15

SERVICE/CALIBRATION MANUAL

Clamp-On Ground Resistance Tester

AEMC®Model 6416/6417

(Chauvin Arnoux Model C.A 6416/C.A 6417)

MODEL 6416/6417 SERVICE/CALIBRATION MANUAL CAT# 2141.01/2141.02

v1 – 11/23/15 - 2 -

TABLE OF CONTENTS

REPAIR AND CALIBRATION ............................................................................ 3

SPECIFICATIONS ............................................................................................. 4

REFERENCE CONDITIONS .................................................................. 4

ELECTRICAL CHARACTERISTICS ....................................................... 4

LOOP RESISTANCE MEASUREMENT ...................................... 4

LOOP INDUCTANCE MEASUREMENT ...................................... 5

ESTIMATE OF THE CONTACT VOLTAGE ................................. 5

CURRENT MEASUREMENT ....................................................... 5

VARIATIONS IN THE DOMAIN OF USE ................................................ 6

POWER SUPPLY ................................................................................... 6

ENVIRONMENTAL CONDITIONS .......................................................... 7

MECHANICAL CHARACTERISTICS ...................................................... 7

COMPLIANCE WITH INTERNATIONAL STANDARDS ......................... 7

ELECTROMAGNETIC COMPATIBILITY ................................................ 7

MAINTENANCE ................................................................................................ 9

REPLACEMENT OF THE BATTERIES .................................................. 9

PROCEDURE .............................................................................. 9

PRESERVATION OF STORED DATA ......................................... 9

ACCURACY CHECK ......................................................................................... 10

EQUIPMENT ................................................................................ 10

PROCEDURE .............................................................................. 10

MANUAL CALIBRATION PROCEDURES ......................................................... 11

Revision Description Date Approved

1 Created Document 11/23/15 JPM

MODEL 6416/6417 SERVICE/CALIBRATION MANUAL CAT# 2141.01/2141.02

v1 – 11/23/15 - 3 -

REPAIR AND CALIBRATION

NOTE: Any attempts to repair and/or maintain this instrument, other than replacement of

fuses and batteries, voids the warranty of the instrument. The presence of high

voltages at certain locations requires servicing of this instrument by qualified

personnel. It is recommended that it be sent to an authorized service center.

To guarantee that your instrument complies with the factory specifications, we

recommend that the unit be submitted to our factory service center at one-year intervals

for recalibration, or as required by other standards.

For instrument repair and/or calibration, please call our factory at (800) 945-AEMC.

CHAUVIN ARNOUX, Inc.

d.b.a. AEMC® Instruments

15 Faraday Drive • Dover, NH 03820 USA

(800) 945-2362 • (603) 749-6434 • Fax: (603) 742-2346

(Or contact your authorized distributor.) Estimates for repairs, normal recalibration, and

calibration traceable to N.I.S.T. are available.

All customers must call for a return authorization number before returning any

instrument.

TECHNICAL AND SALES ASSISTANCE

If you are experiencing any technical problems, or require any assistance with the proper

use or application of this instrument, please call our technical hotline:

CHAUVIN ARNOUX, Inc.

d.b.a. AEMC® Instruments

(800) 343-1391 • (508) 698-2115 • Fax: (508) 698-2118

www.aemc.com

MODEL 6416/6417 SERVICE/CALIBRATION MANUAL CAT# 2141.01/2141.02

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SPECIFICATIONS

REFERENCE CONDITIONS

Quantities of influence Reference conditions

Ambient temperature 23±3°C.

Relative humidity 50%RH±10%

Battery voltage 6V±0.2V.

Magnetic field < 40A/m DC

No AC field

Electric field < 1V/m

Operating position Clamp horizontal

Position of the conductor in

the clamp

Centered

Measurement environment No adjacent conductors carrying current within 10cm

Proximity to magnetic mass > 10cm

Loop resistance Non-inductive resistance (20Ω for the voltage measurement)

Measured current, sinusoidal

frequency

Frequency 50Hz

Level of distortion < 0.5%

Spurious current in loop

resistance measurement

Zero for the resistance and inductance measurements.

< 3.75A for the voltage measurement,

ELECTRICAL CHARACTERISTICS

LOOP RESISTANCE MEASUREMENT

Measurement range:

- Loop ohmmeter function: 0.01 to 1500. 1500-counts display.

Measurement ranges (



) Resolution (



) Intrinsic uncertainty

0.010 to 0.099 0.001 ±1.5% ±0.01

0.10 to 0.99 0.01 ±1.5% ±2r

1.0 to 49.9 0.1 ±1.5% ±r

50.0 to 99.5 0.5 ±2% ±r

100 to 199 1 ±3% ±r

200 to 395 5 ±5% ±r

400 to 590 10 ±10% ±r

600 to 1,150 50 About 20%

1,200 to 1,500 50 About 25%

Alarm: range of threshold from 1



to 199



Measurement frequency: 2083Hz.

Transposition frequency: choice of 50, 60, 128, or 2083Hz for the impedance calculation.

Maximum overloads: - permanent current 100A maximum (50/60Hz).

- transient current (<5s) 200A (50/60Hz).

MODEL 6416/6417 SERVICE/CALIBRATION MANUAL CAT# 2141.01/2141.02

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LOOP INDUCTANCE MEASUREMENT

Measurement ranges (µH) Resolution (µH) Intrinsic uncertainty

10 to 100 1 ±5% ±r

100 to 500 1 ±3% ±r

ESTIMATE OF THE CONTACT VOLTAGE

Measurement range:

- Contact voltage function: value calculated as the product of the loop impedance by the

leakage current.

Measurement ranges (V) Resolution (V) Intrinsic uncertainty

0.1 to 4.9 0.1 ±5% ±r

5.0 to 49.5 0.5 ±5% ±r

50.0 to 75.0 1 ±10% ±r

Alarm: range of thresholds from 1V to 75V.

CURRENT MEASUREMENT

Measurement range:

- Ammeter function: 0.2 to 40A. 4000-counts display.

Measurement ranges (A) Resolution (A) Intrinsic uncertainty

0.200 to 0.999mA 1µA ±2% ±50µA

1.000 to 2.990mA

3.00 to 9.99mA

10µA ±2% ±50µA

10.00 to 29.90mA

30.0 to 99.9mA

100µA ±2% ± r

100.0 to 299.0mA

0.300 to 0.990 A

1mA ±2% ± r

1,000 to 2,990 A

3.00 to 39.99A

10mA ±2% ± r

Alarm: range of thresholds from 1mA to 40A.

MODEL 6416/6417 SERVICE/CALIBRATION MANUAL CAT# 2141.01/2141.02

v1 – 11/23/15 - 6 -

VARIATIONS IN THE DOMAIN OF USE

The influence is characterized by an Accuracy class number for each quantity of influence.

Quantity of

influence

Limit of the Domain

Quantities

influenced

Influence

Typical Max

Temperature -20°C to +55°C A, Ω

(1)

, Uc 1 P/10°C +r 2 P/10°C +r

Relative

humidity

10% RH to 90% RH A, Ω

(1)

, Uc P+r 3 P+r

Battery

voltage

4 to 6.5V A, Ω

(1)

, Uc 0.1 P+r 0.25 P+r

Position of

conductor

from the edge to the

center

A, Uc 0.1 P+r 0.2 P+r

(1)

0.05 P+r 0.1 P+r

Position of

clamp

+/-90°, 180° A 0.2 P+r 0.4 P+r

Uc, Ω

(1)

0.1 P+r 0.25 P+r

Proximity to

magnetic

mass

Steel sheet 1mm thick

against air gap

A, Ω

(1)

, Uc 0.1 P+r 0.5 P+r

Magnetic

field at 50 to

60Hz

30A/m A 2mA

(2)

4.5mA

(2)

Uc 0.1 P+r 0,5 P+r

Frequency of

the current

47 to 800Hz A, Uc P+r 2 P+r

Leakage

current at

50....60Hz

I<10A

RxI<50V

(1)

2 P+r 8 P+r

(1): Ω designates the quantities R, L, and Z.

(2): Offset on the current measurement.

POWER SUPPLY

■ 4x1.5V LR6 (AA) alkaline batteries or 4 NiMH batteries.

■ Mean consumption: approximately 140mA.

■ Mean life: approximately 12 hours, or 14,400 30-second measurements.

Remark: extreme environmental conditions may perturb the internal microprocessor. Simply

disconnecting the battery may be enough to eliminate this malfunction.

The batteries should be removed for long-term storage.

MODEL 6416/6417 SERVICE/CALIBRATION MANUAL CAT# 2141.01/2141.02

v1 – 11/23/15 - 7 -

ENVIRONMENTAL CONDITIONS

Fig. 1

1. Domain of reference (CEI160).

2. Domain of operation.

3. Domain of storage (without batteries). According to CEI359 category II

(equipment for indoor and outdoor use).

MECHANICAL CHARACTERISTICS

Dimensions: 55x95x262mm (thickness, width, height).

Max. clamping diameter: 35mm.

Weight: approximately 935g with batteries.

Display unit: 152-segment OLED. Active surface area 48x39mm.

Tightness: IP40, group III equipment.

Drop test: according to IEC-61010-1.

COMPLIANCE WITH INTERNATIONAL STANDARDS

Device fully protected by double insulation .

NF-EN-61010-2-032 Ed 2012, 600V, CAT IV.

ELECTROMAGNETIC COMPATIBILITY

The device is compliant with standard IEC-61326-1.

MODEL 6416/6417 SERVICE/CALIBRATION MANUAL CAT# 2141.01/2141.02

v1 – 11/23/15 - 8 -

6416/ 6417

Model 6416 Model 6417

Size

Weight

Max Conductor Size

Ohm Function 0.1 to 1500

Max Current for 

Measurement 5A, 50V

Ampere Function 1mA to 40Arms

Display Hold Yes

Open Jaw Indicator Yes

Beeper Yes

Low Battery Indicator Yes

Alarm Function Yes, from 1 to 199

Memory Function 200 measurement 2000

Noise Detection Yes - indicator

Low Resistance Detection Yes - indicator < 1

Auto Power Off Yes, 5 minute delay

More Functions & Features

Model 6416 Model 6417

Auto-calibration Yes, runs calibration test of

all functions at power up

Auto-Off Yes, 5 min if not in use,

may be disabled by user

LCD Battery Life Indicator Yes, 0 to 100 % @ power up

LCD Noise Interference Indicator Yes

LCD Open Jaw Indicator Yes

LCD Closed Loop Indicator Yes

LCD Display Hold Yes,  & A

Multi-tone Beeper Yes, may be disabled by user

Programmable Alarm Yes, from 1 to 199 

high or low No

Programmable Memory Yes, up to 99 readings

( & A) No

Saved Programming @ Power

Off

Yes No

Construction GE Lexan® and IEC Standards

Safety Standards Built to IEC 1010, UL, CSA, CS

MODEL 6416/6417 SERVICE/CALIBRATION MANUAL CAT# 2141.01/2141.02

v1 – 11/23/15 - 9 -

MAINTENANCE

Disconnect everything connected to the device and set the switch to OFF.

Use a soft cloth, dampened with soapy water. Rinse with a damp cloth and dry rapidly

with a dry cloth or forced air. Do not use alcohol, solvents, or hydrocarbons.

Keep the air gap of the clamp perfectly clean.

REPLACEMENT OF THE BATTERIES

If the low battery symbol on the screen blinks, the batteries must be replaced promptly. Display

of the Lo bat message indicates that the batteries must be replaced for it to be possible once

again to use all functions of the clamp.

PROCEDURE

■ Disconnect everything connected to the device and set the switch to OFF.

■ Use a cross-headed or plain screwdriver to unscrew the 2 attachment screws and remove

the battery compartment cover.

■ Remove the old batteries and replace them with 4 new batteries having identical

characteristics (LR6, AA, 1.5V); observe the polarities.

Note: the alkaline batteries can be replaced by Cd-Ni or Ni-Mh rechargeable batteries (AA,

1.2V) having similar characteristics. However, the time between the low battery message

and the automatic switching off of the device will be shorter with the rechargeable batteries.

Spent batteries must not be treated as ordinary household waste.

Take them to the appropriate recycling collection point.

■ Close the battery compartment cover and screw the two screws back in.

■ Check the proper operation of the device.

PRESERVATION OF STORED DATA

When the batteries are removed, the data (recorded measurement values, alarm thresholds)

are preserved. The date and time must be reset if the batteries are out for more than 2

minutes.

MODEL 6416/6417 SERVICE/CALIBRATION MANUAL CAT# 2141.01/2141.02

v1 – 11/23/15 - 10 -

ACCURACY CHECK

AEMC recommends to calibrate the meters once a year and to check the probe with the supply

5Ω loop.

EQUIPMENT

 1 high accuracy decade box: IET lab or equivalent,

 1 lead with known resistance

 1 AC current calibrator 50/60 Hz Fluke 5502 or equivalent

PROCEDURE

Place the lead in the jaws of the clamp and set the function switch of the device to Ω+A.

Connect the lead to the AC calibrator and supply the values from the table below.

Connect the lead to the decade box and set the dial to the table below. (be sure to include the

lead resistance)

FUNCTION

TESTED RANGE STANDARD

VALUE

TOLERANCE

MIN MAX

AC Current A 1.1 mA 1.028 mA 1.172 mA

60 Hz 110 mA 107.7 mA 113.2 mA

1.10 A 1.068 A 1.132 A

11.0 A 10.77 A 11.23 A

38.0 A 37.23 A 38.77 A

Ohms 1.0 0.98 1.11 

10.0 9.75 10.3 

40.0 39.3 40.7 

80.0 78.0 82.0 

100.0 97.5 104 

150.0 145 155 

500.0 440 560 

1000.0 800 1200 

open Overload

Before After

ALARM Good Y/N

MEMORY Good Y/N

ADVANCE MODE Good Y/N

BLUETOOTH Good Y/N

 Bluetooth communication is available only with the Model 6417.

 If some values are outside the MIN and Max values, follow the calibration procedure in

the next section.

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