| Two types of conditions define the user safety |
| - Measurement conditions: |
- A current of measurement much lower than the current of non-fire
- A connection on the line of test only for the activated period of measurement
- A flow of the residual electrical charges
|
| - Safety conditions: |
- The respect of a safety level of maximum current if there is a
problem with the equipments (breakdown of electronics, internal
short-circuit,…)
- Permanent self-checking of the internal functions of our equipments before connection on the measurement channel
|
| |
| Measurement principle |
The Ohmmeter works according a principle of
measurement based on 4 wires, which
makes it possible to be freed from
parasitic resistances of lines.
The principle relies on
an internal device of permanent selfcalibration
which guarantees, over a short
and long-term period of time, the high reliability of
the measurements carried out by
continuously correcting the drifts of profit
and Offset.
All parameter settings are entered
by keyboard with a locking of the
parameters by key. Our units are equipped with dry contact
output and a RS232 connection that allows process automation and implementation of traceability.
On demand, our existing products can be adapted to your specific requirements: Adapted protocole RS232,
other testing voltage or measuring current, integration, processing software...
We suggest to yearly carry out the
calibration and to control the safety
functions of your equipments. |
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Robust and safety housing
Instrument safe use thanks to key-locking of parameters
Backlight LCD screen / Optional keyboard
Without connectors on the back (50 mm over plastic cover) |
| IND 43 / 44 / 45: |
280 x 155 x 290 mm |
| IND 43 with 2 / 4 channels: |
480 x 170 x 300 mm |
| INT 17 HT: |
262 x 120 x 292 mm |
|
| |
| Typical applications |
- Automotive airbag inflator / module electrical functional tests
- Seatbelt pre-tensioner actuator /
module functional electrical check
- Automotive power / fuse center
continuity and leakage
characterization
|
- PCB / PWB and general purpose
short/open circuits testing
- High speed parralel soak dual
inflator or dual test station electrical
seek / check
- Multicontact / switch dry circuit
continuity and leakage resistance
measurements |
|
| |
| Specifications |
IND 43 |
IND 44 |
IND 45 |
| Channel number |
1 / 2 / 4 |
1 |
1 / 2 ohmmeter channels |
+ 1 megohmmeter channel |
Measurement type
Range |
4 wires
0 / 15 Ω |
2 wires
0 / 100 MΩ |
4 wires
0 / 15 Ω |
2 wires
0 / 100 MΩ |
| Measuring current |
10 mA |
20 mA |
| Testing voltage |
|
45 V or 500 V |
|
50 V, 500 V or 50 / 500 V |
| Accuracy |
0.1 % RDG |
1 % at 0 / 50 MΩ
2 % at 50 / 100 MΩ |
0.1 % RDG |
1 % at 0 / 50 MΩ
2 % at 50 / 100 MΩ |
| Resolution |
0.01 Ω |
0.1 MΩ |
0.01 Ω |
0.1 MΩ |
| Protection |
Up to 380 V
(110 V on resistance range) |
|
Up to 380 V
(110 V on resistance range) |
|
| Setup |
Keyboard - Key-locking of parameters for safe use |
| Offset correction of line |
Through a measurement of the line value with validation |
|
| Communication |
RS 232 or automation |
| Power supply |
220 V / 50 Hz with storage of parameters and counters |
|
| Options |
- Integration into test bench
- Data processing software
- Adapted protocole RS 232
- Other testing voltage or measuring current
... Please contact us for further options to fit further specific requirements |
| Switching units |
INT 17 |
INT 17 / 17 HT |
INT 17 / 17 HT |
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| |
| INT switching units |
INT units are aimed to switch between:
- devices designed for control of electrical testing on pyrotechnical instruments (IND series)
- tested systems (initiators, airbags, firing units...)
Contact switches are usually monitored by shared automation (0-24 V) and earth bounding control (contact or transistor). Automation INPUTS are protected against any change of polarity. |
| |
| Specifications |
INT 17 |
INT 17 HT - AS 201 full compliant (Autoliv standard) |
| For instruments |
IND 43 / 44 / 45 |
IND 44 / 45 |
| Input voltage |
|
Up to 10,000 V (as stated in AS201 standard) |
| Front side |
10 high voltage BNC connectors
4 LEDs |
| Back side |
DB9 Automate
Connection to IND instrument
Earth contact (in order to discharge the measurement channels from any remaining electrical charges, once the device is in standby mode) |
| Power supply |
Supplied with 7 point Bendix |
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IND 43 data sheet