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Resolution: 0.025% FS
Thermocouple:
Accuracy: 0.3% FS (typical)
Ambient Temperature Sensor
Accuracy: ±1.5°C (2.7°F)
Type Range:
J: -100 to 760°C ±2°C
(-148 to 1400°F ±3°F)
K: -100 to 1000°C ±2°C
(-148 to 1830°F ±3°F)
T: -100 to 400°C ±2°C
(-148 to 750°F ±3°F)
E: -80 to 400°C ±2°C
(-112 to 750°F ±3°F)
Shutdown During Blackout:
6 Vdc, 2400 mAh NiMH
Backup Time: 8 hours typical
(depends on external load)
RTD
Accuracy: 0.3% FS (typical)
Resolution: 0.1°C
Internal Current Source: 1 mA
Type Range (2 or 3 Wire):
100 .. Pt 385: -100 to 750°C
(-148 to 1380°F)
100 .. Pt 392: -100 to 750°C
(-148 to 1380°F)
Frequency Input (Hz)/Range:
0 to 10,000/0 to 600,000 rpm
2 Configurable Isolated
Inputs for DC Voltage
and Current,
Thermocouples, RTDs,
Frequency, and
rpm Pulse
4 Internal Alarm
Setpoints
2 Alarm Relay Outputs
1 Digital Control Input
Maximum Storage Rate
of 100 Samples/s
Compact Flash Cards
Can Store Up to
2 Gigabytes of Data
in Memory
Optional Universal
Power Supply
Bright, Clear Display
Optional Software for
Graphic Analysis,
Printing, Transfer,
and Exporting
Standard 14 DIN
Panel Mount
Paperless Recorder
With its dual-function keys and
sharp display, OMEGA’s RD8250 is
a sophisticated process recorder.
The graphic user interface—
comprising a nematic LCD with
white LED backlight—makes
configuration easy.
This recorder can display real-time
data in digital or trend format. Via the
front-panel USB port (order “-USB”
option), the user can upload data
from a flash memory card to a PC.
The RD8250 comes with a standard
power supply (North American plug),
120 to 240 Vac, 50/60 Hz. Other
power options include universal plug
set, 12 to 24 Vdc isolated input, and
rechargeable battery pack (order “-
UPS” option). With the battery pack
installed, the RD8250 can function
for up to 8 hours, preserving data
and settings in the event of a
power loss.
Specifications
Input Power:
Standard: 9 ±0.5 Vdc @ 5 VA
(depends on external loads);
external AC wall transformer
(included), non-isolated,
100 to 240 Vac, 50/60 Hz
Option 1: Isolated 12 to 24 Vdc
(not compatible with internal
battery pack option below)
Option 2: Internal battery pack;
provides uninterrupted operation
and controlled output
Output: 2 outputs, 5 Vdc @ 50 mA,
to power external sensors
Number of Channels:
2 universal, user selectable
Isolation: 300 Vac/Vdc channel input to
chassis ground
DC Input
Voltage:
Ranges: 0 to 250 mV,
0 to 1.25 V, 0 to 2.5 V, 0 to 5 V,
0 to 12.5 V, 0 to 25 V
Accuracy: 0.1% of reading
Resolution: 0.025% FS
Current:
Ranges: 0 to 20 mA, 4 to 20 mA,
0 to 50 mA "optional resistor required"
Accuracy: 0.1% of reading,
excluding 250 .. external
shunt (required)
RD8251, £401, shown
smaller than actual size.
S-7
RD8250 Series
Starts at
£401
