| NAGANO KEIKI KJ55 PRESSURE TRANSMITTER 0 ~ 25KGF/CM2 24VDC 4~20mA 000154 |
Model: KJ55 Series
Pressure Range: 0 ~ 25 kgf/cm²
Output: 4-20 mA DC
Power Supply: 24V DC (Operating range: 20-35V DC)
Overview
The Nagano Keiki KJ55 is a high-precision, intrinsically safe pressure transmitter designed specifically for marine applications and hazardous environments. Utilizing a semiconductor strain gauge, this transmitter converts pressure into a standard 4-20 mA analog signal. It is certified for use in Zone 0, 1, and 2 hazardous areas where explosive gases may be present, ensuring safety and reliability in critical operations .
Key Features
Intrinsically Safe (Exia): Certified by Nippon Kaiji Kyokai (ClassNK) with type approval No. 08T610. The Exia IIC T5 rating allows for installation in atmospheres containing explosive gases .
Marine Application: Built to withstand the rigorous demands of marine environments (shipbuilding/offshore) .
Compact & Lightweight: The small form factor allows for easy installation in tight spaces .
Semiconductor Sensor: Uses an evaporated semiconductor strain gauge (SS) pressure sensor for high durability, stability, and accuracy .
High Overpressure: Capable of withstanding up to 200% of the pressure range without damage .
Technical Specifications
| Parameter | Specification |
|---|---|
| Pressure Range | 0 to 25 kgf/cm² |
| Output Signal | 4-20 mA DC (2-wire system) |
| Power Supply | 24V DC (Rated), 20-35V DC (Operating) |
| Accuracy | ±0.5% F.S. (Typical) |
| Wetted Materials | Suitable for gas or liquid not eroding specified materials |
| Process Connection | Typically G3/8B, G1/2B, or Rc1/4 (Verify model suffix) |
| Enclosure Rating | IP54 (ADC12 Aluminum alloy case) |
| Temperature Class | T5 |
| Gas Group | IIC |
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