Product Overview
The G-75 PTF30 Series Display Type Pressure Transmitters offer minimized disturbance effects through improved noise resistance and excellent corrosion resistance due to their stainless steel housing. These high-accuracy transmitters feature a 0.3% F.S. accuracy and a wide range of functions including user input range, display scale, output scale, digital filter, multi-display selection, abnormal operation display, and TUF (Two Unit Function). They are suitable for applications such as indoor heating, water supply and sewage, and incinerators, particularly for small and medium-sized projects. The series includes explosion-proof specifications (Ex D IIC T6) and IP67 protection structure.
Product Attributes
- Brand: G-75 PTF30 Series
- Housing Material: Stainless steel
- Explosion-proof Specification: Ex D IIC T6
- Protection Structure: IP67 (IEC standard)
- Measured Materials: Vapor, liquid, fluid (except corrosive environment of stainless steel 316)
- Body Material: Aluminum (AlDc.8S)
- Diaphragm Material: Stainless steel 316
- Connections Material: Stainless steel 316
Technical Specifications
| Item | Specification | Details |
|---|---|---|
| Model Series | PTF30 | Display Type Pressure Transmitters |
| Measurement Pressure Types | G (Gauge pressure, sealed gauge pressure) | Sealed gauge pressure is based on atmospheric pressure 101.3kPa (1.013bar). |
| Measurement Pressure Types | A (Absolute pressure) | |
| Rated Pressure Range | Gauge Pressure Options | 0 to 35kPa, 0 to 0.1MPa, 0 to 0.2MPa, 0 to 0.7MPa, 0 to 2MPa, 0 to 3.5MPa, 0 to 7MPa, 0 to 21MPa, 0 to 35MPa |
| Rated Pressure Range | Absolute Pressure Options | 0 to 35kPa, 0 to 0.1MPa, 0 to 0.2MPa, 0 to 0.7MPa, 0 to 2MPa, 0 to 3.5MPa |
| Rated Pressure Range | Sealed Gauge Pressure Options | -35 to 0kPa, -0.1 to 0MPa, -0.1 to 0.2MPa, -0.1 to 0.7MPa, -0.1 to 2MPa, -0.1 to 3.5MPa |
| Rated Pressure Range | Z (Others) | User input range (select "Z" at Rated pressure range) |
| HART Communication Output | N | None |
| Mounting Bracket | N | Without bracket |
| Mounting Bracket | B | With bracket |
| Pressure Port | F8 | G3/8 (PF) |
| User Pressure Range | User pressure range | Default is user pressure range. Example: (-0.1 to 35MPa) |
| Power Supply | 15-35VDC | |
| Display Method | 12-segment 4-digit LCD | Character size W6.24H10.73mm (12-segment) / W1.45H2.5mm (unit) |
| Output | DC4-20mA 2-wire | Low-limit: 3.6mA (-2.5%), high-limit: 21.6mA (+10%) |
| Accuracy | 0.3% of F.S. | (F.S.: Rated pressure range) |
| Temperature Characteristics | At 20 | (0.075% URL + 0.15% Span) |
| Setting Method | Front push keys | |
| Sampling Cycle | 300ms | |
| Dielectric Resistance | 1,000VAC for 1 min | (between external terminal and case) |
| Vibration | 0.75mm amplitude at frequency of 5 to 55Hz (for 1 min) in each X, Y, Z direction for 2 hours | |
| Insulation Resistance | Over 100M (at 500VDC megger) | |
| Noise Immunity | Square shaped noise by noise simulator (pulse width 1s) | 240V |
| Memory Protection | Approx. 10 years | (non-volatile semiconductor memory type) |
| Ambient Temperature | -20 to 70 | Storage: -20 to 80 |
| Ambient Humidity | 0 to 85%RH | |
| Unit Weight | Approx. 1.2kg | |
| Explosion Class | Ex d IIC T6 | Acquired and managed by Konics Co., Ltd. |
| Functions | User input range | Set within the pressure range for actual usage. |
| Functions | Decimal point setting | Changes decimal point digit for input display value. |
| Functions | Display scale | Sets high/low limit values for measurement input display. |
| Functions | Zero-point correction | Corrects display value error for 0% input. |
| Functions | Slope correction | Corrects display value error for 100% input. |
| Functions | Output scale | Sets display value for DC4mA and DC20mA. |
| Functions | Digital filter | Displays stably and outputs noise from input line and irregular signals (moving average). |
| Functions | Digital input | HOLD (Display Hold), Z-TM (Zero-point adjustment). |
| Functions | Multi-display selection | Selects between PV, OUT, lPEK, hPEK for display. |
| Functions | High/Low peak monitoring | Saves high/low peak values to check abnormal conditions. |
| Functions | Two unit function (TUF) | Displays input pressure below atmospheric pressure in mmHg unit or above in set pressure unit. |
| Functions | Parameter initialization | Initializes all parameters to factory default. |
| Troubleshooting | HHH | Flashes when measured pressure is higher than the 'pressure range'. |
| Troubleshooting | LLL | Flashes when measured pressure is lower than the 'pressure range. |
| Troubleshooting | ERR | Flashes when there is an error to SV. Re-set after checking settings. |
| Lock Function | LOCK | Limits checking and changing parameter set values. |
2411220207_Autonics-PTF30-G9NB-F8_C7328378.pdf
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