Pressure Transmitters
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| Brand | Honeywell |
|---|---|
| Origin | USA |
| Distributor Type | Authorized Distributor |
| Origin Category | Imported |
| Model | PPT Series |
| Output Options | RS232 / RS485 Digital or 0–5 VDC Analog |
| Accuracy | ±0.05% FSO over –40 to +85 °C |
| EMC Protection | Enhanced EMI Shielding per EN 61326-1 |
| Certifications | CE Marked (EMC & LVD Directives) |
| Dual Outputs | Independent Pressure and Sensor Temperature Signals |
| Compliance | Meets EN 61000-6-2 (Immunity) and EN 61000-6-4 (Emission) |
| Brand | Honeywell |
|---|---|
| Origin | USA |
| Model | PPT-R |
| Certification | FM, CSA, CE |
| Operating Temperature Range | –40 °C to +85 °C |
| Accuracy | ±0.05% FS (Full Scale Output) |
| Output Options | 0–5 VDC analog output |
| Digital Interface | RS232 / RS485 compatible |
| Enclosure | Hermetically Sealed, Ruggedized Housing with Integrated Cable |
| Compliance | ATEX Zone 1/21, IECEx, UL 913 Class I Div 1, EN 60079-0/-11 |
| Brand | RenKe |
|---|---|
| Model | RS-QY-N01-2 |
| Measurement Principle | Piezoresistive Sensing with Integrated Temperature Compensation |
| Pressure Range | 0–120 kPa |
| Temperature Range | −40 to +80 °C (standard) |
| Pressure Accuracy | ±0.15 kPa @ 25 °C, 75 kPa |
| Temperature Accuracy | ±0.5 °C @ 25 °C |
| Long-Term Stability | ≤−0.1 kPa/year (pressure), ≤0.1 °C/year (temperature) |
| Output | RS-485 Modbus RTU (default baud rate: 4800, 8N1) |
| Power Supply | 10–30 V DC |
| Power Consumption | ≤0.5 W |
| Response Time | ≤1 s |
| Operating Environment | −20 to +60 °C, 0–80 %RH |
| Enclosure Type | Wall-Mounted IP65 Housing |
| Compliance | CE-marked design principles, RoHS-compliant materials, compatible with ISO/IEC 17025-aligned calibration workflows |
| Brand | VG Smart Technology |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | Authorized Distributor |
| Product Origin | Domestic (China) |
| Model | T100 |
| Output Signal | 2 × Isolated 4–20 mA (programmable per parameter) |
| Power Supply | 100–240 V AC, 50/60 Hz or 24 V DC (optional) |
| Operating Temperature | −10 to +60 °C |
| Enclosure Rating | IP65 |
| Dimensions (H×W×D) | 144 × 144 × 115 mm |
| Panel Cutout | 138 × 138 mm |
| Mounting | Wall, panel, or pipe mounting |
| Housing Material | ABS |
| Sensor Interface | Digital (auto-recognized pH, ORP, conductivity, salinity sensors) |
| Relay Outputs | 3 programmable relays (for high/low alarms, cleaning control, timer functions) |
| Digital Communication | RS485 with Modbus RTU protocol |
| Auto-Calibration Support | Yes |
| Hot-Swappable Sensors | Yes |
| Display & UI | Dual-language (English/Chinese), guided workflow interface |
| Brand | VG Smart Technology |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | Authorized Distributor |
| Product Origin | Domestic (China) |
| Model | T200 |
| Output Signal | 4–20 mA current loop (isolated, dual-channel) |
| Power Supply | 100–240 V AC, 50/60 Hz or 24 V DC (optional) |
| Operating Temperature | −10 to +60 °C |
| Enclosure Rating | IP65 |
| Dimensions (H×W×D) | 144 × 144 × 115 mm |
| Panel Cutout | 138 × 138 mm |
| Mounting Options | Wall-mount, panel-mount, pipe-mount |
| Housing Material | ABS |
| Communication Interface | RS485 with Modbus RTU protocol |
| Sensor Compatibility | Digital pH, ORP, dissolved oxygen (DO), ion-selective electrodes (ISE), conductivity, salinity, turbidity, suspended solids (SS), sludge interface sensors |
| Auto-sensing | Yes (plug-and-play sensor recognition) |
| Calibration | Automatic and manual modes with built-in calibration verification |
| Relay Outputs | 3 configurable relays (alarm, high/low limit, cleaning control, timer function) |