Omega Products RD-250-12 User Manual
RD-250 Series
Starts at
$
3296
S-35
See page S-43 for options, accessories
and ordering information.
⻬ J, K, T, E, or R
Thermocouple, RTD, or
Voltage Input
⻬ Up to 12 Channels
⻬ Continuous and
Multipoint Models
⻬ Linearized Temperature
Input Scale
⻬ Rugged Design
⻬ High Accuracy
⻬ Color-Coded Display
Applications
⻬ Laboratories
⻬ Processing Plants
⻬ Industry
⻬ Research Labs
⻬ Aerospace
Precision Electronic
Recorders
The Model RD-250 is available as
either a single-channel continuous
recorder or as a multipoint recorder
in 6 or 12-channel models. A
31⁄2 digit LED display of temperature
is standard on the 12-channel
model. Multipoint models offer a
variable dotting rate as a standard
feature. A three-speed chart drive of
15, 30, 60 mm/hr (1 mm = 0.03937")
is provided on all models with
a momentary fast forward
(60 cm/min) to advance the chart
to the desired time line.
RD-250-12, $3425,
shown smaller than actual size.
S-36
S
See page S-43 for options, accessories
and ordering information.
(
)
Specifications
Measuring System:
Self balancing potentiometer
Recording Mode: 1-channel
continuous, 6 or 12-multipoint
Balancing Speed: Continuous type:
≈ 0.3 sec, multipoint type: ≈ 0.5 sec
Chart Paper: Z-fold, effective width
250 mm (10") x 15 m (49')
Dotting Interval:
6 and 12 multipoint type—5 sec at
60 Hz; 6 sec at 50 Hz; 24-multipoint
type—selectable 1, 2, 5, 10, 30 and
60 sec
Accuracy: Thermocouple or
RTD Input ±0.5% FS, Vdc ±0.25% FS
Deadband: < 0.1% FS
RD-250-12, $3425, shown
smaller than actual size.
Chart Speeds: 15, 30, 60 mm/hr, and
fast, 60 cm/min (1 mm = 0.03937")
Ambient Temperature:
15 to 40°C (59 to 104°F)
Case: Steel plate with diecast
aluminum front door
Illumination: Fluorescent lamp
Power Supply: 120 Vac, 50/60 Hz
Input Impedance: Vdc 4 mV ≤ span
voltage ≤ 500 mV 8 MΩ 800 mV < span
voltage ≤ 100 mV 1 MΩ; thermocouple,
approx 8 MΩ
Dimensions:
260 H x 401 W x 373 mm D
(10.24 x 15.79 x 14.68")
Weight:
1-Pen Model: 16.5 kg (36.3 lb)
Multipoint 6 to 12-Channel: 17.5 kg
(38.5 lb)
Multipoint 12-Channel: 21 kg
(46.2 lb)
Dimensions: mm (in)
260
(10.24)
246
(9.69)
248
(9.76)
401
15.79
350
(13.78)
403
(15.88)
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