Basic temperature transmitter offers a cost effective solution for temperature monitoring points
l Single sensor capability with universal sensor inputs (RTD, T/C, mV, and ohms)
l IEC-approved WirelessHART® protocol
l Large LCD display
Standard transmitter design provides flexible and reliable performance in process environments
l One-year stability rating reduces maintenance costs
l User-centric device dashboards communicate important diagnostics and ensure process health
l Open/short sensor diagnostics assist with detecting issues in the sensor loop
l Compensation for ambient temperatures enhances transmitter performance
l Four user-configurable alerts provide increased process information and measurement point insight
Wireless delivers innovative wireless solutions for temperature measurement and overall transmitter performance
l Self-organizing network delivers information rich data with >99 percent data reliability and establishes a highly stable network
l Smart Wireless capabilities extend the full benefits of Plantweb™ to previously inaccessible temperature measurement locations
l Emerson SmartPower™ solutions provide an intrinsically safe Power Module, allowing field replacements without removing the transmitter from the process, keeping personnel safe and reducing maintenance costs
l Emerson’s layered approach to wireless network security ensures that data transmissions are secure
Specification Category | Details |
Model | Rosemount 248 (Wireless Field Mount) |
Input Type | Universal: 2/3/4 wire RTD, Thermocouple (T/C), mV, Ohms |
Output Signal | WirelessHART® (IEC 62591), 2.4 GHz (2400–2485 MHz), 15 channels, IEEE 802.15.4 modulation |
Wireless Specs | Internal omnidirectional antenna (WP5); Update rate: 1 sec–60 min (user configurable); Network reliability: >99% |
Power | SmartPower™ green power module (field replaceable); Life: 10 years (1 min update, 21°C); Lithium thionyl chloride; IS rated |
Accuracy (Typical) | Pt100 IEC 751: ±0.45 °C (–200–850 °C); Thermocouple variants listed in datasheet |
Stability | ±0.15% of reading or 0.15 °C (whichever greater) per 12 months |
Operating Temp | –40 to +85 °C (–40 to +185 °F); BR5/BR6 options available |
Storage Temp | –40 to +85 °C (–40 to +185 °F) |
Humidity | 0–99% non condensing |
Enclosure/IP | Engineered polymer; IP66/IP67; NEMA 4X |
Dimensions | Compact (approx. 44 mm dia × 40 mm); Lightweight (~50 g) |
Display | Optional 5 digit LCD (M5) for temp, % range, diagnostics |
Diagnostics | Open/short sensor detection; NAMUR NE107; Self calibration; 4 user configurable alarms |
EMC/Compliance | EN61326, NAMUR NE21; Global approvals (ATEX, IECEx, CSA, INMETRO, TIIS, NEPSI, EAC) |
Vibration | Tested to IEC 60770 1: Direct mount 10–2000 Hz/3 g; Remote mount 10–500 Hz/2 g |
Calibration | 5 point (C4); 3 point certificate (Q4); Transmitter sensor matching (Callendar Van Dusen |
Packaging: Original bag and box
Esito (weifang) Automation Equipment Co., Ltd. specializes in industrial automation instrument development, production and sales, technical services, and supporting equipment supply of specialized companies. The main products are flow meters, level meters, temperature meters, pressure meters, electrical meters, thermal intelligent meters, programmable controllers (PLC), DCS distributed control systems, and eight series of more than 1,000 specifications. Its products and technologies are widely used in electric power, metallurgy, petrochemicals, environmental protection, plastics, food, printing, tobacco, textile, dyeing, and other fields.
We can offer rosemount, Endress+Hauser, yokogawa, Siemens, ABB,Fisher,Koso, Samson, Abzil, NELES,UE etc, Brands.
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