HN-1851AP Absolute Pressure Transmitter
HONZEN INSTRUMENTS · HN-1851AP
HN-1851AP Absolute Pressure Transmitter
The HN-1851AP measures absolute pressure; the catalogue lists M2, M3 and M4 sensor modules.
Overview
The HN-1851AP measures absolute pressure; the catalogue lists M2, M3 and M4 sensor modules.
Key Features
- Monocrystalline silicon sensor with static-pressure and temperature compensation.
- Two-wire 4–20 mA DC + HART output.
- Local three-button and remote configuration; LCD is listed as an ordering option.
- Choice of isolating diaphragm materials.
Technical Specifications
| Parameter | Catalogue value |
|---|---|
| Measured media | Liquids, gases and steam |
| Output signal | 4–20 mA DC + HART, two-wire |
| Reference accuracy | ±0.075% at the standard calibrated range |
| Power supply | 10.5–45 V DC, general purpose; 10.5–26 V DC, intrinsically safe |
| Allowable load | 0–600 Ω at 24 V DC |
| Ingress protection | IP66 |
| Isolating diaphragm options | SUS316L, Hastelloy C-276, tantalum, gold-plated |
| Process connection | 01: M20 × 1.5 male; 02: 1/2 NPT female; 03: G1/2 male |
Measuring range
| Sensor code | Measuring range | Maximum working pressure |
|---|---|---|
| M2 | 0 to 100 kPa | 25 MPa |
| M3 | 0 to 200 kPa | 25 MPa |
| M4 | 0 to 400 kPa | 25 MPa |
Applications
For the corresponding pressure, differential-pressure or level duties in petroleum, petrochemical, chemical and power applications. Confirm the medium and installation conditions for each selection.
Dimensions
Dimensions and units are as marked on the technical drawings below.
Model Selection / Ordering Information
| Item | Code | Description |
|---|---|---|
| Output | H | 4–20 mA + HART digital communication |
| Sensor code | M2 | 0 to 100 kPa; 25 MPa |
| Sensor code | M3 | 0 to 200 kPa; 25 MPa |
| Sensor code | M4 | 0 to 400 kPa; 25 MPa |
| Isolating diaphragm options | SS | SUS316L |
| Isolating diaphragm options | HC | Hastelloy C-276 |
| Isolating diaphragm options | TA | tantalum |
| Isolating diaphragm options | GD | gold-plated |
| Process connection | 01 | M20 × 1.5 male |
| Process connection | 02 | 1/2 NPT female |
| Process connection | 03 | G1/2 male |
Catalogue ordering example: HN-1851AP-H-M2-SS-01-01-D-V-TG
Request a Quote
Please provide the process medium, measuring span, process pressure, temperature, wetted material, connection and hazardous-area requirements for selection review.
Technical data from Pressure and Differential Pressure Transmitters catalogue, PDF pages 28–31.