Image unavailable
Image unavailable
Rosemount
Rosemount 248R Rail-Mount HART Temperature Transmitter
Quote on request
No online payment · add lines to RFQ BOM
248R: DIN-rail HART; Pt100 −200…850 °C; RTD/TC/ohm/mV; 4–20 mA. RFQ.
Download datasheet PDF
RFQ cart holds BOM lines only. Submit for engineering quote.
Key parameters
Accuracy
Basic Pt100 digital ≤0.20 °C; total analog = digital + D/A (example ±0.30 °C over 100 °C span)
Output
4–20 mA with HART 7 (option RK)
Supply
Ordinary location 7.5–48 Vdc; hazardous approval 7.5–30 Vdc
Protection
IP20
Ambient temperature
−50 to +85 °C operating and storage
Mounting
DIN rail mount, 23.5 mm thickness
Fits panel DIN-rail HART temperature loops where you need a Rosemount 248R—4–20 mA with HART for Pt100 (−200…+850 °C) plus RTD, thermocouple, ohm, and mV inputs in a rail-mount package.
Key advantages
- Inputs — Pt100 −200…+850 °C; RTD, T/C, ohm, mV
- Output — 4–20 mA with HART
- Form — DIN-rail 248R
- Use — Panel-mount HART temperature
- Platform — Rosemount 248 family
Typical applications
- Control-cabinet temperature I/O.
- Rail-dense RTD/TC panels.
- HART-commissionable loops.
Selection guide
- 248R vs 248H head
- Sensor type
- Rail spacing
Common mistakes
- Head-mount ordered when rail required.
- Missing HART resistor.
- Wrong sensor linearization.
When to RFQ / what to tell us
- Sensor, range.
- Quantity, ship-to.
Request a Quote · Get selection help
Specs
| Spec | Value |
|---|---|
| SKU | 38790 |
| Brand | Rosemount |
| Model | Rosemount 248R Temperature Transmitter |
| Product type | Temperature Transmitter |
| Type | Rail-mount HART temperature transmitter (Rosemount 248R) |
| Inputs | Pt100 −200…+850 °C; RTD, T/C, ohm, mV |
| Output | 4–20 mA with HART |
| Feature | DIN-rail HART temperature transmitter |
Documents
FAQ
Q: Mounting? A: DIN-rail (248R).
Q: HART? A: Yes — 4–20 mA with HART.
Q: What should I send for a quote? A: Sensor/range, quantity, ship-to.
Links
| Parameter | Value |
|---|---|
| Accuracy | Basic Pt100 digital ≤0.20 °C; total analog = digital + D/A (example ±0.30 °C over 100 °C span) |
| Output | 4–20 mA with HART 7 (option RK) |
| Supply | Ordinary location 7.5–48 Vdc; hazardous approval 7.5–30 Vdc |
| Protection | IP20 |
| Ambient temperature | −50 to +85 °C operating and storage |
| Mounting | DIN rail mount, 23.5 mm thickness |
| Sensor Inputs | Single sensor; universal RTD, thermocouple, mV, ohms |
| Stability | ±0.05% of span/year; ±0.18% of span/5 years |
| Isolation | Ordinary 2.5 kVAC / 55 VAC; hazardous 2.5 kVAC / 42 VAC |
| Dimensions | 109 × 23.5 × 104 mm (H×W×D); weight ~150 g |
| Response Time | 70 ms; programmable damping 0–60 s |
| Diagnostics | NAMUR NE21, NE43, NE44, NE89, NE107; open/short sensor diagnostics |