| Parameter | Specification |
|---|---|
| Product Name | Pressure Sensor |
| COGENG Part Number | KHR10290 |
| OEM Equivalent | Sumitomo KHR10290 |
| Product Type | Hydraulic Pressure Sensor |
| Sensor Type | Piezoresistive pressure transducer |
| Output Type | 4-20 mA or 0.5-4.5V (application dependent) |
| Application | Hydraulic system pressure monitoring |
| Compatible Models | Sumitomo SH120, SH200, SH210, SH240, SH250 Excavators |
| Material | Iron + Rubber (seals: NBR / FKM) |
| Packing | PP bag inside, carton box outside |
| Place of Origin | Guangdong, China |
| Brand Name | COGENG |
| Certification | ISO9001 |
| Supply Capacity | 500 PCS |
| Brand | Part Number |
|---|---|
| COGENG | KHR10290 |
| Sumitomo | KHR10290 |
| Interchange | KHR10291, KHR10292, KHR10293, KHR41950, KM15-P02 |
| Model | Series | Application |
|---|---|---|
| SH120 | Standard | Hydraulic pressure monitoring |
| SH120-3 | Dash 3 | Hydraulic pressure monitoring |
| SH120-5 | Dash 5 | Hydraulic pressure monitoring |
| SH120-6 | Dash 6 | Hydraulic pressure monitoring |
| SH120-8 | Dash 8 | Hydraulic pressure monitoring |
| Model | Series | Application |
|---|---|---|
| SH200 | Standard | Hydraulic pressure monitoring |
| SH200-3 | Dash 3 | Hydraulic pressure monitoring |
| SH200-5 | Dash 5 | Hydraulic pressure monitoring |
| SH200-6 | Dash 6 | Hydraulic pressure monitoring |
| SH200-8 | Dash 8 | Hydraulic pressure monitoring |
| SH200A5 | A5 Series | Hydraulic pressure monitoring |
| Model | Series | Application |
|---|---|---|
| SH210 | Standard | Hydraulic pressure monitoring |
| SH210-3 | Dash 3 | Hydraulic pressure monitoring |
| SH210-5 | Dash 5 | Hydraulic pressure monitoring |
| SH210-6 | Dash 6 | Hydraulic pressure monitoring |
| SH210-8 | Dash 8 | Hydraulic pressure monitoring |
| Model | Series | Application |
|---|---|---|
| SH240 | Standard | Hydraulic pressure monitoring |
| SH240-3 | Dash 3 | Hydraulic pressure monitoring |
| SH240-5 | Dash 5 | Hydraulic pressure monitoring |
| SH240-6 | Dash 6 | Hydraulic pressure monitoring |
| SH240-8 | Dash 8 | Hydraulic pressure monitoring |
| Model | Series | Application |
|---|---|---|
| SH250 | Standard | Hydraulic pressure monitoring |
| SH250-3 | Dash 3 | Hydraulic pressure monitoring |
| SH250-5 | Dash 5 | Hydraulic pressure monitoring |
| SH250-6 | Dash 6 | Hydraulic pressure monitoring |
| SH250-8 | Dash 8 | Hydraulic pressure monitoring |
| Application | Pressure Range | Function |
|---|---|---|
| Main Pump Pressure | 0-350 bar | Monitors main hydraulic pump output |
| Implement Pressure | 0-350 bar | Monitors boom/arm/bucket circuits |
| Pilot Pressure | 0-50 bar | Monitors pilot control pressure |
| Swing Circuit | 0-350 bar | Monitors swing brake/pressure |
| Travel Circuit | 0-350 bar | Monitors travel motor pressure |
| Attachment Circuit | 0-350 bar | Monitors auxiliary hydraulic pressure |
| Parameter | Specification |
|---|---|
| Supply Voltage | 8-36V DC (typically 24V system) |
| Output Signal | 4-20 mA (current loop) or 0.5-4.5V analog |
| Current Draw | ≤ 25 mA |
| Response Time | < 5 ms |
| Insulation Resistance | ≥100MΩ @ 500V DC |
| Reverse Polarity Protection | Yes |
| Overvoltage Protection | Yes |
| Parameter | Specification |
|---|---|
| Pressure Range | 0 - 350 bar (0 - 5,075 psi) |
| Measurement Type | Gauge pressure |
| Accuracy | ±1.0% to ±2.0% of full scale |
| Overpressure Limit | 525 bar (7,600 psi) |
| Burst Pressure | 875 bar (12,700 psi) |
| Compensated Temperature | -40°C to +105°C |
| Pressure (bar) | Pressure (psi) | Output (mA) | Condition |
|---|---|---|---|
| 0 | 0 | 4.0 ±0.1 | No pressure |
| 87.5 | 1,269 | 8.0 ±0.1 | Low pressure |
| 175 | 2,538 | 12.0 ±0.1 | Medium pressure |
| 262.5 | 3,806 | 16.0 ±0.1 | High pressure |
| 350 | 5,075 | 20.0 ±0.1 | Maximum pressure |
Q: What Sumitomo models use the KHR10290 pressure sensor?
A: The COGENG KHR10290 pressure sensor is a direct OEM replacement designed for Sumitomo SH120, SH200, SH210, SH240, and SH250 excavator models. This sensor is typically used in the hydraulic system for monitoring pump discharge pressure, pilot pressure, or other critical pressure circuits. Always verify this part number against your machine's parts manual or the original sensor's identification markings to confirm exact compatibility before ordering.
Q: What are the symptoms of a failing pressure sensor on a Sumitomo excavator?
A: Common symptoms include inaccurate or erratic pressure readings on the monitor panel, active diagnostic trouble codes related to the pressure sensor circuit, degraded hydraulic performance or unexpected power reduction, the machine entering a failsafe or limp mode, intermittent hydraulic function response, or the engine control system failing to properly match engine speed to hydraulic load demand. A faulty pressure sensor can significantly impact overall machine performance, digging force, and fuel efficiency.
Q: How does the pressure sensor affect excavator operation?
A: The KHR10290 sensor provides real-time hydraulic pressure data to the machine's electronic control system. This information is used to manage pump displacement, engine speed matching, and implement response. Accurate pressure sensing is essential for smooth hydraulic operation, preventing system overloads, and optimizing fuel consumption across multiple Sumitomo excavator models.
Q: Is this sensor a direct plug-and-play replacement?
A: Yes, the COGENG KHR10290 sensor is manufactured to exact OEM specifications for thread size, electrical connector type, pressure range, output signal characteristics, and response time. It is a direct plug-and-play replacement requiring no wiring modifications or adapters when installed on compatible Sumitomo excavator models.
Q: What is the warranty coverage for this pressure sensor?
A: COGENG provides a standard 12-month warranty against manufacturing defects from the date of installation. Proof of purchase and installation by a qualified technician are required. Warranty does not cover failure caused by hydraulic fluid contamination, over-pressurization, improper installation, overtightening, thread damage, or use on incompatible equipment.
Q: What should I check before installing the new pressure sensor?
A: Before installation, verify the hydraulic system is depressurized, inspect the sensor mounting port for debris or damage, check the electrical connector for corrosion, and apply the appropriate thread sealant if specified by the service manual. Torque the sensor to manufacturer specifications to prevent thread damage or hydraulic leaks. Contaminated hydraulic fluid can damage the new sensor, so verify fluid cleanliness.
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