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Calibration

Automotive

Accredited calibration of automotive test equipment

Calibration of automotive test equipment is a critical aspect of ensuring the validity and compliance of the equipment used in the automotive industry for development, testing, and quality control purposes. Calibration involves comparing the performance of a device to a known standard or reference to identify any deviations in accuracy.

Calibration is essential to maintain the precision and reliability of automotive test equipment. Inaccurate measurements can lead to non-compliant automotive components entering the market, potentially compromising vehicle safety and performance.

The frequency of calibration intervals varies depending on the specific equipment and its intended use. Typically, electronic equipment is calibrated annually, while mechanical equipment may have longer calibration intervals.

As automotive technology advances, particularly with the shift to electric vehicles (EVs), the calibration of test equipment has become increasingly sophisticated. The SIQ calibration laboratory specializes in automotive test equipment calibration and brings extensive experience in supporting automotive test laboratories. Calibration services can be performed at the SIQ facility or conveniently on-site at the client’s location.

Automotive test equipment accredited ILAC MRA calibration services

Voltage drop simulator

A voltage drop simulator is used to generate, among other things, DC, function signals, and standard test procedures such as Pulse 2b and Pulse 4. Calibration encompasses the functionalities given in:

ISO 7637-2
ISO 16750-2
SAE J1113-11
and other manufacturer’s standards.

The SIQ calibration certificate covers:

DC voltage
Pulse 2b in 12 V system
Pulse 2b in 24 V system
Pulse 4 in 12 V system
Pulse 4 in 24 V system

Autowave

Autowave is used for arbitrary signal generation and is usually used in combination with other test equipment. The SIQ calibration certificate covers:

DC voltage
Frequency response

Additional functions can also undergo calibration based on the customer’s specific application requirements.

Compact simulator

The calibration of a compact simulator complies with the following automotive testing standards:

ISO 7637-2
ISO 7637-3
SAE J1113-11
SAE J1113-12
SAE J1455

The SIQ calibration certificate covers:

Pulse 3a, Pulse 3b
Pulse 1
Pulse 6
Pulse 2
Pulse 4
Pulse 5a, Pulse 5b
JASO pulses
Nissan pulses
SAE inductive and mutual pulses

Load dump generator

A load dump generator undergoes calibration according to the following standards:

ISO 7637
ISO 16750-2
SAE
J1113
SAE J1455
JASO
Ford
Chrysler
PSA

The SIQ calibration certificate covers:

Pulse 5 ISO
Pulse 5 Chrysler
Pulse 5 Ford- CS/FM (12 V)
MBN Pulse Verification
JASO Pulse Verification
SAE Pulse Verification
Nissan Pulse Verification
Scania Pulse Verification

4-Quadrant voltage drop simulator – battery simulator and DC voltage source

A 4-quadrant voltage drop simulator is used for testing according to the following automotive standards:

LV 124
LV 148
Audi (Reference vehicles)
BMW – (Airbag ECU)
BMW 600 13.0 (Part 1)
BMW 600 13.0 (Part 2)
BMW GS 95002 (2010)
BMW GS 95003-2
BMW GS 95024-2-1
ISO 21848:2005
ISO 16750-2
ISO 7637-2:2004
ISO 7637-2:2011
MBN LV 124-1
SAE J1113-11
W 80000

The SIQ calibration certificate covers:

DC supply voltage
DC voltage
Frequency response
Test pulse 2b
Starting profile
Load dump pulse verification
Reversed voltage
Single line interruption.

Automotive power fail simulator

A power fail simulator is used for testing according to the following automotive standards:

LV 124
LV 148
Audi (Reference vehicles)
BMW – (Airbag ECU)
BMW 600 13.0 (Part 1)
BMW 600 13.0 (Part 2)
BMW GS 95002 (2010)
BMW GS 95003-2
BMW GS 95024-2-1
ISO 21848:2005
ISO 16750-2
ISO 7637-2:2004
ISO 7637-2:2011
MBN LV 124-1
SAE J1113-11
VW 80000

The SIQ calibration certificate covers:

Fall and rise time at “Battery Line” output
Fall and rise time at standard levels at “Battery Line” output
Interruption time t1 at “Battery Line” output
Idle time t2 at “Battery Line” output
Fall and rise time at data line (1 Ω)
Fall and rise time at data line (1 kΩ)
Interruption time at data line t1 (1 kΩ)
Idle time t2 at data line (1 kΩ)
Time measurement at all channels at data line

Transient emission set – electronic switch

An electronic switch utilized for automotive transient emission tests is calibrated according to:

ISO 7637-2:2004
ISO 7637-2:2011

The SIQ calibration certificate covers:

Switching time
Voltage drop
Resistance

Load resistors LV 124 and LV 148

Load resistors are used for testing according to:

BMW GS 95024-2-1
MBN LV 124-1
OEM LV 124
OEM LV 148
VW 80000

The SIQ calibration certificate covers:

DC resistance
Resistance frequency response up to 2 MHz.

Artificial network for automotive testing applications

Artificial networks for automotive testing are utilized according to:

CISPR 12
CISPR 25
ECE No. 10 R05/06
ISO 11452-1
ISO/DTS 7637-4

The SIQ calibration certificate covers:

Input impedance (magnitude and phase)
Voltage division factor
Isolation.

Automotive electrical disturbances – Transient immunity

A transient generator, compliant with Ford FMC1278 and EMC-CS-2009.1 standards, facilitates testing according to:

Ford EMC-CS-2009.1
Ford FMC1278
Jaguar EMC-CS-2010JLR V1.1 (2011-01)
Jaguar JLR-EMC-CS V1.0 Amd 4

The SIQ calibration certificate covers:

CI 220: Pulse A1
CI 220: Pulse A2-1
CI 220: Pulse A2-2
CI 220: Pulse C-1
CI 220: Pulse C-2
CI 260: Pulse F
RI 130: Pulse A2-1
RI 130: Pulse A2-2

ESD simulator

An ESD simulator designed for automotive applications is utilized for testing according to ISO 10605.

The SIQ calibration certificate covers:

Peak current
Current at 30 ns, 65 ns, 180 ns, 400 ns, 60 ns, 130 ns, 360 ns and 800 ns
Rise time
Open circuit voltage

Calibration can be conducted up to 30 kV.

Ripple generator

Ripple generators find application in aviation, military, and automotive industries for testing compliance as outlined in the following standards:

ISO 7637-4
ISO 11452-8
VW 80300
BMW GS 95002
Chrysler CS-11979
Fiat 9.90110
Ford EMC-CS-2009.1
GMW 3097
GMW 3172
MAN 3285
Mazda MES PW 67602
Mercedes MBN 10284-2
Nissan 28401 NDS 02
PSA B21 7110
Renault 36-00.808/–N
Volvo STD 515-003
VW TL 801 01
Ford FMC 1278
Jaguar JLR-EMC-CS
Hyundai Kia ES 96200-00
Mitsubishi ES-X82115
Tesla TS-0000048-06
FCA CS.00054
Case New Holland ENS0310
Mercedes MBN 10284-4
Tesla TS-0000425-05

The SIQ calibration certificate covers:

AC Voltage
AC Current

Additional calibration points can be included upon request.

Coupling network

Coupling network – audio transformer assembly for LF conducted immunity testing is utilized for testing compliance with:

SAE J1113-2
ISO 11452-10
AIRBUS
BMW GS 95023
Chrysler CS-11809 (2009)
DaimlerChrysler DC-10615
DO 160 Section 16
DO 160 Section 18
Ford FMC1278
GLloyd VI-7-2
ISO 11452-10
Jaguar EMC-CS-2010JLR V1.1
(2011-01)
Jaguar JLR-EMC-CS V1.0 Amd 4
LV 123
MIL STD 461 G CS 101
MIL STD 461 G CS 109
MIL-STD-704
Mitsubishi ES-X82115
SAE J1113-2
Tata TST/TS/WI/257
VW 80300
VW 80303

The SIQ calibration certificate covers:

Frequency response
DC and AC

Additional calibration points can be included upon request.

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