Honeywell STT25D User Manual

2 Smart Temperature Transmitter STT250 – Operator Manual
2. TECHNICAL SPECIFICATIONS
2.1 Environmental Conditions
Reference Rated
conditions
Operating limits Storage
Temperature 23°C 73°F -40°C to 85°C
-40°F to 185°F
-40°C to 85°C
-40°F to 185°F
-50°C to 100°C
-58°F to 212°F
Humidity
(%RH)
10 to 55 5 to 95 5 to 100 5 to 100
Supply
voltage
24 V /
250 Ω
(See Figure 1)
Shock/
Vibration
40 g max
4 g max over
15-200 Hz (3 g
with meter)
CE MARK compliance:
In compliance with EMC directive 89/336/ECC:
- without shielded wires 10 V/m, 0.1% of Max span
- with shielded wires and mounted in metallic housing: 30 V/m,
0.1% of max span.
2.1.1 Physical Specifications
The STT250 is available in 3 physical variations to suit various application
requirements.
Load resistance
(Ohms)
DE operating area
0
0
0
HART operating area
Supply
voltage
(Vdc)
1100
100
Load resistance
(Ohms)
10.8
13
operating communication area
35 V
Supply
voltage
(Vdc)
1100
250
10.8 16.3
operating communication area
35 V
operating area
with no
communication
0
operating area
with no
communication
Figure 1 : Operating Areas

Honeywell STT25D Specifications

General

Brand	Honeywell
Model	STT25D
Category	Transmitter
Language	English