CarScope i-Tester Basic kit

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Portable Engine Test Tool

CarScope i-Tester is essentially a specialized type of engine analyser. It is a complex, multi-function tool, which can help diagnosing the engine and finding engine problems. I-Tester could be used with both gasoline and diesel-powered vehicles. Currently, its main mode is a relative compression testing but several automated diagnostic tests are upcoming with a future firmware updates!

No oscilloscope knowledge skills needed. You can skip the training and set-up time of an ordinary oscilloscope and get directly to a quick, precise engine analysis;

Relative compression test

This test is only a comparison between cylinders so we can use this method to "see" if we have a cylinder (s) with low compression by comparing one cylinder to the next. Hence the term "relative".

Relative compression is the fastest, simplest way to find a low compression cylinder. This test has previously been available only on large and expensive diagnostic systems, requiring a laptop and an oscilloscope. Now it is easier than ever — with the new CarScope i-Tester that combines bothfunctions - relative compression test and automatic waveform analysis. So, the final results are displayed in an easy to understand format.

You do not have to check each individual cylinder, all cylinders can be tested in one go. CarScope i-Tester works on 3, 4, 5, 6, 8, 10, 12-cylinder cars, 4 stroke, diesel and gasoline engines, DIS, conventional and Coil-on-Plug systems, and 12V electrical systems.

Cylinder synchronization

By hooking up a second probe to either the ignition or an injector, you can follow the firing order/injection sequence and know which one it is. This is not the only way to do this type of cylinder identification but it does work as a way to start with.

Common Rail pressure test NEW!

This new function is available since firmware version TT0106B (download link)!

This mode is used for fast verification of the condition of the diesel Common Rail high-pressure system. Results allow direct/indirect identification of common problems in this system – lack of pressure due to leaks, high-pressure pump failure, bad high-pressure sensor, no sensor power supply etc.

The principle of this test is based on checking the high-pressure sensor readings while the car is in ignition on, cranking, idling and accelerating states.

Checking the high-pressure sensor readings is the fastest, simplest way to find a problem in the Common Rail system.

This test is very easy to perform – only one wire hooked to the high-pressure sensor output.

Important note: Because of lithium-ion battery shipping restrictions, we do not include CR2032 lithium-ion battery inside in the post packages! When you receive the tester, you have to buy a Li-Ion battery type CR2032 yourself and put it into battery holder socket inside the CarScope i-Tester. To do so, you should unscrew and remove four screws to open the bottom cover. We apologize for the inconvenience!

• Non-invasive test;

• Test completes within seconds;

• You do not need a pressure transducer to run the relative compression test;

• No mechanical work needed. No removal of spark plugs, glow plugs, or injectors, thus preventing accidental damage to the customer’s engine components. All you have to do is to disable the fuel system to prevent the engine from starting;

• Disabling fuel system is always better because you are not flooding your cylinders;

• No oscilloscope needed;

• Reduced skill level required and thus achieve rapid testing;

• No waveform analysis skills needed;

• Test based on scientifically grounded theory;

• Test proven in the practice for many years;

• Useful tool in the parking lot type situation instead of dragging a scope/laptop around;

• No current clamp needed, in case the DC voltage method is used

• 2.4" TFT LCD 320х240
• no external power adapter needed
• 3 Channel — 3 measurement channels provide the ability to use a variety of voltage and current probes at the same time.
• Protection against reverse polarity connection
• The Relative Compression mode helps you quickly find a low compression cylinder
• Relative compression test function and automatic waveform analysis
• Ultra fast boot time
• Simple to use and connect, easy to use keyboard.
• Internal Micro SD card to save and review measurements
• Works on 4 stroke, diesel and gasoline engines;
• Works on 3, 4, 5, 6, 8, 10, 12-cylinder cars
• Works on DIS, conventional and Coil-on-Plug ignition systems;
• Only 12V electrical systems supported.
• Excellent industrial design

Reasons to perform a relative compression test using i-Tester:

Compression test has to be performed when the engine symptoms are as follows:

• engine misfiring;

• rough idle;

• loss of power over time;

• unexplained loss of power;

• smoke from the exhaust;

• puffing noise in induction or exhaust

Checking the engine health in cases as follows:

• In case of buying a used car;

• Before ECU remapping to evaluate engine status;

• Periodic prevention check;

• In cases where it is very hard to gain access to the spark plugs in order to perform a traditional compression test.

General Specifications

Functional on the following Engine Types:

Number of Cylinders	3, 4, 5, 6, 8, 10, 12
Engine Stroke	4 stroke
Fuel Types	Gasoline, Diesel
Ignition Systems	Conventional, DIS, Coil-on-Plug
Electrical System Voltage	12V
Power Supply	10V to 18V, 4 W typical
Relative Compression	0 to -100% contribution

Display

Type	TFT LCD Module
Size	2.4" diagonal
Resolution	320 x 240 pixels
Backlight	4chip white LED in Parallel
High Brightness	150 cd/m2

Real time clock battery

CR2032, 210 mA/h - save time for up three years without external supply

Important note: Because of lithium-ion battery shipping restrictions, we do not include CR2032 lithium-ion battery inside in the post packages. When you receive the tester, you have to buy a Li-Ion battery type CR2032 yourself and put it into battery holder socket inside the CarScope i-Tester. To do so, you should unscrew and remove four screws to open the bottom cover. We apologize for the inconvenience!

Included Memory Card

4 GB micro SDHC

Inputs

Dual purpose input

//Power supply connector with an additional function//

Main purpose	Power Supply
Additional purpose	Supply voltage measurement
Frequency Response, -3 dB	DC to > 200 KHz
Coupling	DC
Input range	0 mV to 15 V
Input Overload Protection	± 200V DC+AC peak
Input Impedance	50 kOhm II 20 pF
Vertical Resolution	12 bit (4096 levels)
DC Voltage Measurement Accuracy	± 5 mV Max Error

IN15

Frequency Response, -3 dB	DC to > 200 KHz
Coupling	DC
Input range	0 mV to 15 V
Input Overload Protection	±200V DC+AC peak
Input Impedance	50 kOhm II 20 pF
Vertical Resolution	12 bit (4096 levels)
DC Voltage Measurement Accuracy	± 5 mV Max Error

IN2

Frequency Response, -3 dB	DC to > 200 KHz
Coupling	DC
Input range	0 mV to 2 V
Input Overload Protection	±100V DC+AC peak
Input Impedance	100 kOhm II 18 pF
Vertical Resolution	12 bit (4096 levels)
DC Voltage Measurement Accuracy	± 3 mV Max Error

Accessory Information

Standard Accessories (included with your i-Tester)

Shielded Test Lead

Length	1.8 meters
Connector at i-Tester	BNC
Bandwidth	0 to 1.0 MHz
Test lead capacitance	170 pF
Voltage to ground	200V
Maximum input voltage	200V
Maximum current	2A
Maximum cable resistance	100 mohm
Operating temperature range	0 - 40 °C

Power supply cable

Description	Red/Black car battery crocodile clips to 2 pos terminal block plug
Total length	1.0 meter
Connector at i-Tester	Pluggable Terminal Block 5.0mm, 2 POS
Red/Black cables	Silicone jacketed highly flexible 0.75 mm2 (18 AWG)
Operating temperature range	-20 °C to +120 °C

Optional Accessories (abbreviated specifications)

Inductive Pick-up

Maximum RPM	12,000 RPM @ 4 stroke / 4 cylinder
Accuracy	10% of reading
Current range	0 to 10 amperes
Connector at i-Tester	BNC
Cable	RG58, shielded
Cable length	1.5 meters (5 feet)
Suitable spark plug lead diameter	9 mm. maximum

10:1 Attenuator adapter

The 10:1 voltage attenuator is used for synchronization from injectors (gasoline or diesel) or primary ignition.

Attenuation	10:1
Bandwidth	0 to 1.0 MHz
Input impedance	10 M
Input capacitance	27 pF
Maximum input	200V

AC/DC Current Probe CA-600A

The 600-ampere current clamp is ideal for use with CarScope i-Tester for performing relative compression tests.

The current clamp can measure up to 600 A (AC or DC). In use there is no need to break into the circuit or disturb the isolation as the opening jaws simply clamp around the current carrying conductor. No electrical contact is required.

Current ranges	2 to 600 A dc or ac peak
Rated Output	0 to 600mV (AC and DC) for 0 to 600A
Output	Coil cable with 4 mm banana plug
Captured Conductor Size:	30 mm maximum
Accuracy	0 to 400A, ±(2% reading + 2A) 400A to 500A, ±(3% reading + 2A)
Low battery indicator	Red LED lightning
Operating environment	0°C to +50°C, at <70 % R.H.
Storage environment	20°C to +60°C, 0…80 % R.H
Battery type	9V DC, 6F22
Battery life	100 hours typical
Dimensions	178mm (H) × 70mm (W) × 33mm (D)
Weight	300g

AC/DC Current Probe CA-60A

Current ranges	0.01 to 20 A dc or ac peak 0.2 to 60 A dc or ac peak
Output	Coil cable with 4 mm banana plug
Captured Conductor Size:	30 mm maximum
Accuracy	2% to 3.5% (range dependent)
Low battery indicator	Red LED lightning
Operating environment	0°C to +50°C, at <70 % R.H.
Storage environment	20°C to +60°C, 0…80 % R.H
Battery type	9V DC, 6F22
Battery life	100 hours typical
Dimensions	195mm (H) × 70mm (W) × 33mm (D)
Weight	250g

Car Cigarette Lighter cable

You can use this cable to power the device from the cigarette lighter. This allows you to sit inside the car while performing the relative compression test.

WARNING:

ALL INPUTS HAVE A COMMON GROUND RESPECTIVE TO THE POWER SUPPLY GROUND AT THE DUAL PURPOSE INPUT! WHEN USING A POWERSUPPLY THAT IS NOT DOUBLE INSULATED, CONNECT COMMON TOPROTECTIVE GROUNDING!

Main set:

• CarScope i-Tester main device;

• Power supply cable;

• Universal probe;

• micro SD memory card;

• User's manual

Optional accessories (not included in the main set):

• Inductive pick-up clamp;

• 10:1 attenuator adapter;

• Automotive needle probe set;

• AC/DC Current Clamp CA-60;

• AC/DC Current Clamp CA-600