Koso RX2NR+ – Tachometer with Temperature Measurement and Shift Light
The Koso RX2NR+ is a highly advanced combination instrument that functions as both a tachometer and a temperature gauge with a shift light feature. With a wide display range and numerous useful functions such as overheating warning and shift light, this device provides precise measurement and rapid response time for motorsport applications and high-performance vehicles.
Technical Details:
Tachometer:
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Display range: 0 – 16,000 RPM
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Display unit: 100 RPM
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Sampling rate: <0.5 seconds (very fast measurement)
Shift Light:
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Adjustment range: 0 – 16,000 RPM
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Adjustment unit: 100 RPM
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The shift light helps detect the optimal shift point by flashing when a set RPM is reached.
Max RPM Memory:
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The piston range (maximum RPM) can be set with the following options: 0.5; 1; 1.5; 2; 2.5; 3; 4; 5; 6 RPM.
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Useful for adapting the device to various applications or vehicles.
Temperature Measurement:
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Display range: 0 – 250°C
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Display unit: 1°C
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Overheating warning range: 60 – 250°C (140 – 399°F) adjustable
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Warning function: When the temperature exceeds the preset limit, the device flashes to alert the driver.
Battery and Voltage:
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Battery type: 9V–12V
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Operating range: DC 9V–12V
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Operating temperature: -10°C to +60°C
Backlight:
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Blue backlight for clear readability even in low light or nighttime conditions.
Size and Weight:
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Dimensions: 135.7 × 100.7 × 52 mm
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Weight: approx. 240 g (compact for the number of functions)
Functions and Benefits:
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Tachometer with fast response: Sampling time under 0.5 seconds ensures precision even with rapid RPM changes.
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Shift light for perfect shift timing: Flashes when the preset RPM is reached for optimal gear changes.
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Max RPM memory: Stores the highest RPM reached for post-ride performance review.
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Temperature warning: Alerts the rider when overheating occurs to prevent engine damage.
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Precise adjustment: Fine-tuning in 100 RPM and 1°C increments for detailed customization.
The Koso RX2NR+ tachometer is an excellent choice for motorsport enthusiasts and motorcycle/car owners who require a reliable, fast, and feature-rich gauge. With its shift light and temperature warning, it’s particularly useful for keeping the engine in optimal condition while monitoring performance. The robust design, quick response time, and user-friendly settings make it an essential tool for any rider or driver who values precision and safety.
Contents:
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Meter unit – 1×
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Main wiring – 1×
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RPM cable (Type A) – 1×
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RPM cable (Type B) – 1×
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Temperature sensor cable – 1×
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Power cable – 1×
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PT 1/8 water temperature sensor – 1×
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Battery case – 1×
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3 mm hex key – 1×
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Meter bracket – 1×
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Screw M4 – 3×
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Seal M5 – 3×
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Screw M6 × 35L – 2×
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Screw M8 × 30L – 2×
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Screw M6 – 2×
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Screw M8 – 2×
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Seal M6 – 2×
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Seal M8 – 2×
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Ground wire – 1×
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Mid-way connector – 2×
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Cable tie – 1×
