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Home > NH3 Analyzer > NH3 5250 |
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| Description: |
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ECM’s NH3 5250 is a versatile and rugged NH3 analyzer for the development of diesel and lean-burn engine SCR (selective catalytic reduction) systems. NH3 is measured using a ceramic sensor that is mounted in the exhaust of the engine. Ease-of-use, speed, compactness, and robustness are hallmarks of this technology. No sample lines or pumps are required, simplifying installation and giving fast response. Distances of up to 100 meters between the sensor and analyzer are possible with no loss in response time or accuracy. NH3 sensors have their calibration stored in a memory chip in the sensor's connector. Calibration can be performed by the user (Zero, Span) and is written into the same memory chip. This allows sensors to be calibrated in a central location and distributed to users, ensuring consistent results throughout a large test facility.
The NH3 5250 can be used with all fuel types. All sensor parameters including sensor voltages, cell resistance, and heater voltage are available for display and output. A second NH3 channel can be added and displayed/output. Optional pressure measurement is available.
The NH3 5250 is remarkably compact and is suited for both dynamometer and in-vehicle applications. With six analog outputs, CAN, USB, and RS232 communication, the NH3 5250 can be integrated into any data acquisition system. To simplify in-vehicle use, the NH3 5250 can be turned on and off with a signal from the vehicle's ignition switch. This feature along with the analyzer's CAN communication capability makes it possible to use the NH3 5250 in the loop of a real-time emissions control strategy.
The control of urea injection in SCR systems is difficult. Not enough urea and NOx emissions rise. Too much urea and NH3 emissions and urea use rise. Urea injection control during transient operation is especially difficult and requires fast NH3 instrumentation. The NH3 5250 makes this difficult measurement with ease and is a necessary tool for the development of modern SCR systems.
Video Tutorial for
Producing .dbc Files
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| Specifications: |
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| Ranges: | NH3 0 to 2000 ppm (for λ > 1 only)
Pressure (optional) 0 to 517 kPa (0 to 75 psia) | | Accuracies: | NH3 ± 5 ppm (0 to 200 ppm)
Pressure (optional) ± 5.2 kPa (± 0.75 psia)
| | Response Time: | Less than 1 s
| | Analog Outputs: | 6 channels, 0 to 5V linearized and programmable for NH3, P, etc. | | CAN: | Programmable communication protocol | | USB, RS232: | Data transfer and control | | Power: | 11 to 28 VDC, AC/DC (optional) | | Sensor: | 18mm x 1.5mm thread
| | Size and Cable: | 105mm x 64mm x 165mm (W x H x D), 6m cable (std), up to 100m (optional) | | Operating Temp.: | | Electronics | -40 to +85°C | Sensor
| 450°C (maximum gas temperature for use)
700°C (maximum gas temperature without possibility of sensor damage) | | | Options: | Second NH3 Channel, Pressure Measurement, Rackmount Kit (holds up to 4 analyzers/8 channels), Extension Cables, AC/DC Power Supply, NH3 Sensor Simulator
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| Jump to Optional Kits and Parts |
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| Related Downloads: |
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 NH3 5250 Brochure (2020-04-24, 238KB)
Aluminum Block Brochure (27KB)
Exhaust Probe Brochure (104KB)
Rackmount Installation Guide (197KB)
Vboost Power Supply Brochure (165KB)
ETAS INCA Setup Guide (1052KB)
ATI VISION Setup Guide (504KB)
 ECM CAN Configuration Tool (v4.48.10, 31499KB)
Firmware Update Procedure for Display Heads (158KB)
| | Ordering Information, Complete Kit P/N: NH3 5250 Analyzer Kit |
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The complete single-channel kit includes the following parts:
| Item | Description | P/N | Qty | Photo |
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| 1. | 5250 Display Head | 01-10 | 1 |  | | 2. | NH3CAN Module | 02-12 | 1 |  | | 3. | NH3 Sensor | 06-07 | 1 |  | | 4. | Lambda/NOx/NH3 Cable, 1m | 10-02 | 1 |  | | 5. | Eurofast 12mm Cable, 4m | 09-01 | 1 |  | | 6. | Eurofast 12mm Cable, 2m | 09-02 | 1 |  | | 7. | Flexi-Eurofast Cable, 0.3m | 09-04 | 3 |  | | 8. | Eurofast "T" Connector | 09-05 | 4 |  | | 9. | Eurofast Termination Resistor | 09-06 | 3 |  | | 10. | DC Power Cable, Banana Plugs | 11-16 | 1 |  | | 11. | Female Eurofast to DB9F | 11-05 | 1 |  | | 12. | Key-on Cable, 2m | 11-08 | 1 |  | | 13. | 5200 Series Manuals & Configuration Software CD
This PC-based software allows configuration of CAN communication, calibration of sensors, and data logging. Requires Kvaser, Vector, or Peak USB-to-CAN adapter. (Available from ECM, see P/N 13-02 below) | 13-01 | 1 |  | | 14. | 18mm x 1.5mm Mild Steel Boss and Stainless Steel Plug | 12-02 | 1 |  |
Optional Kits and Parts:
For pressure measurement, these additional items are included (per NH3 channel):
| Item | Description | P/N | Qty | Photo |
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| 1a. | Pressure, Type KP, 0-75 psia, 1/4" NPT (USA), or | 07-05 | 1 |  | | 1b. | Pressure, Type KP, 0-517 kPa, 6mm (Metric) | 07-06 | 1 |  | | 2. | Module Y Cable | 10-21 | 1 |  | | 3. | Pressure Cable (4-terminal), 1m | 10-04 | 1 |  | | 4a. | Pressure Line Assembly, 1/4" NPT Tubing/Hose/Fittings, 28" Length (USA), or | 12-08 | 1 |  | | 4b. | Pressure Line Assembly, 6mm Tubing/Hose/Fittings, 711mm Length (Metric) | 12-11 | 1 |  |
For dual-channel kit, these additional items are included:
| Item | Description | P/N | Qty | Photo |
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| 1. | NH3CAN Module | 02-12 | 1 | | | 2. | NH3 Sensor | 06-07 | 1 | | | 3. | Lambda/NOx/NH3 Cable, 1m | 10-02 | 1 | | | 4. | Eurofast 12mm Cable, 2m | 09-02 | 1 | | | 5. | Flexi-Eurofast Cable, 0.3m | 09-04 | 1 | | | 6. | Eurofast "T" Connector | 09-05 | 1 | | | 7. | 18mm x 1.5mm Mild Steel Boss and Stainless Steel Plug | 12-02 | 1 | |
Accessories:
| Item | Description | P/N | Qty | Photo |
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| 1. | AC/DC Power Supply, Universal, 24VDC 4.2A
(Highly Recommended for Dynamometer Installations) | 04-01 | 1 |  | | 2. | Vboost Power Supply (Boosts supply voltage to avoid dropout situations) | 04-02 | 1 |  | | 3. | DC Power Cable, Spades | 11-15 | 1 |  | | 4. | Eurofast 12mm Cable, 10m
(Highly Recommended for Dynamometer Installations) | 09-03/10 | 1 |  | | 5. | Lambda/NOx/NH3 Cable, 2m | 10-03 | 1 |  | | 6. | Lambda/NOx/NH3 Cable, 3m | 10-37 | 1 |  | | 7. | Pressure Cable (4-terminal), 2m | 10-05 | 1 |  | | 8. | Pressure Cable (4-terminal), 3m | 10-40 | 1 | | | 9. | CAN-to-USB Adapter | 13-02 | 1 |  | | 10. | 19" Rackmount Panel (holds up to 4 display heads or 4 dashCANs) | 12-01 | 1 |  | | 11. | 18mm x 1.5mm Mild Steel Boss and Stainless Steel Plug | 12-02 | 1 | | | 12. | 1/4" NPT Mild Steel Boss and Brass Plug (USA) | 12-05 | 1 |  | | 13. | 1/4" ISO Mild Steel Boss and Brass Plug (Metric) | 12-12 | 1 | | | 14. | Aluminum Remote Sensor Mounting Block (18mm x 1.5mm, 5 x 1/4" NPT) | 12-18 | 1 |  | | 15. | Individual Cylinder Exhaust Probe (18mm Tall x 1.5mm) (USA) | 12-51 | 1 |  | | 16. | Individual Cylinder Exhaust Probe (18mm Tall x 1.5mm) (Metric) | 12-52 | 1 | |
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(408) 734-3433
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