J-121
The DP1511, DP1521 and DP1531
non-contact infrared thermal
monitoring systems represent a
unique technological approach for
monitoring and controlling process
temperatures. These units combine
fiber optics or line-of-sight optics
with advanced electronic technology
into a system that continuously
monitors infrared radiation (a
function of temperature) in real time
and without physically contacting the
target material. The result is a highly
reliable system offering outstanding
accuracy and repeatability with high
response speed.
Temperature Indicators
For OS1512 and OS1532 Infrared Sensors
and OS1513 and OS1533 Fiber Optic Sensors
Built-in synchronous demodulation
circuitry helps to minimize or
eliminate noise pickup from nearby
sources such as motors, induction
heating generators, etc.
The DP1511, DP1521 and DP1531
contain all of the electronics
necessary to amplify, linearize and
process the electronic signal
received from the detector head. In
addition, they provide a millivolt per
degree linear output, as well as an
optional second output of 0 to
10 Vdc or 4 to 20 mA, which can be
used for process control or
recording purposes.
DP1500 Series
Starts at
$
3040
DP1511 general purpose single
channel monitor for use with
OS1512 infrared and OS1513
fiber optic sensors.
DP1521 general purpose
4-channel 48 cm (19")
rackmount monitor for use
with OS1512 infrared and
OS1513 fiber optic sensors.
DP1531 high speed single
channel 48 cm (19")
rackmount monitor for use
with OS1532 infrared and
OS1533 fiber optic sensors.
⻬ Precise Non-Contact
Temperature
Measurement
⻬ 1 mV/Degree
Output Standard
⻬ Optional Second Output
for Process Control or
Recording
⻬ Optional Signal
Processing
⻬ Digital Pushbutton
Emissivity Control
Assures Precise Setting
of Target Emissivity
(0.05 to 1.00 in
0.01 Steps)
⻬ 3
3
⁄4 Digit Display with
Temperature Readout
J-122
J
On all three models, the front panel
digital pushbutton emissivity control
assures precise setting of the target
emissivity. If process parameters
are changed, this digital control
enables the operator to accurately
return to the previous settings.
A variety of signal processing options
is available (one per unit) such as
peak (or valley) sense and hold
(when the process temperature
sharply rises and falls), signal
averaging (to smooth out unwanted
variations in the temperature
measurement), sample and hold (to
sample a temperature and hold it for
a specified time), and fast rise
variable decay (which is similar to
peak and hold, but has a variable
decay time). These signal processing
options are adjustable by a front
panel variable control adjustment.
The DP1521 has four independent
input channels with a front panel
selector switch, each channel having
its own1 mV/degree output as well as
its own emissivity adjustment.
The DP1531 is a high speed single
channel monitor suitable for use on
any high speed event application
utilizing the 20 microseconds time
constant (0 to 63.2%). This system
utilizes an auto-zero circuit (with
shutter built into the detector head)
to zero out any system drift.
The DP1511 or DP1521 thermal
monitoring system consists of a fiber
optic assembly and detector head,
(or line-of-sight detector head),
connecting cable, and meter. The
DP1511 and DP1521 monitors are
used with either the OS1512 infrared
or OS1513 fiber optic sensors.
The DP1531 high speed monitor is
used with either the OS1532 infrared
or OS1533 fiber optic sensors.
DP1511 single input benchtop monitor
shown with OS1512 infrared sensor.
DP1521 4-channel 48 cm (19") rackmount
monitor shown with OS1512 infrared sensor.
DP1531 single input 48 cm (19") rackmount
high speed monitor shown with OS1533
fiber optic sensor.
J-123
To Order
(Specify Model Number)
Compatible Compatible
Model No. Price Description Infrared Sensor Fiber Optic Sensor
DP1511(*) $3040 Single-channel benchtop monitor OS1512 OS1513
1 mV/degree output
DP1521(*) 7995 4-channel 48 cm (19") rackmount monitor OS1512 OS1513
1 mV/degree output
DP1531(*) 4995 Single-channel 48 cm (19") rackmount OS1532 OS1533
high speed monitor 1 mV/degree output
* Specify display and analog output: “F” for Fahrenheit display and 1 mV/°F output, or “C” for Celsius display and 1 mV/°C output.
Comes with 10' connecting cable for sensor and complete operator’s manual.
Ordering Examples: DP1531-F-MA, single-channel 48 cm (19") rackmount high speed monitor with 1 mV/°F output, with an additional
4 to 20 mA output, $4995 + 125 = $5120. DP1521-C-V-SA, 4-channel 48 cm (19") rackmount high speed monitor with 1 mV/°C output,
with an additional 0 to 10 Vdc output, and signal averaging feature $7995 + 300 + 1320 = $9615.
Specifications
Temperature Range:
DP1511, DP1521: 50 to 3700°C
(120 to 6692°F)
DP1531: 75 to 2300°C
(165 to 4172°F)
Accuracy: ±1% rdg
Repeatability: ±0.5% rdg
Resolution: 1°F/1°C
Output: 1 mV/degree
Ambient Operating Range: 10 to 50°C
(50 to 122°F)
Time Constant:
DP1511, DP1521: 10 msec,
(0 to 63.2%)
DP1531: 20 microseconds
Power: 115 Vac ±10% 50/60 Hz
Power Dissipation:
DP1511: 25 W
DP1521, DP1531: 50 W
Display: 3
3
⁄4 digit, max reading 3999
Emissivity: 0.05 to 0.99, adjustable
in 0.01 steps
Signal Processing Adjustment:
0.5 to 10 sec hold/decay time
Dimensions:
DP1511: 98 H x 300 W x 238 mm D
(3.87 x 11.84 x 9.38")
DP1521, DP1531:
133 H x 483 W x 305 mm D
(5.25 x 19 x 12")
Weight:
DP1511: 4.3 kg (9.5 lb)
DP1521: 6.35 kg (14 lb)
DP1531: 5.4 kg (12 lb)
THERMAL MONITOR
CHASSIS
OS1532
DETECTOR HEAD
LINE OF SIGHT
OPTICS
TARGET ILLUMINATOR FIBER
OPTIONAL
DP1531
CONNECTING CABLE
LIGHT SOURCE
FOR TARGET ILLUMINATION
OPTIONAL
OS1533
DETECTOR HEAD
OPTIONAL
BIFURCATED FIBER
FIBER OPTIC
CABLE
LENS CELL
FIBER OPTIC ASSEMBLY
L1
CERAMIC OR
METAL TIP
L2
OS1500-C31
THERMAL MONITOR
CHASSIS
OS1512
DETECTOR HEAD
LINE OF SIGHT
OPTICS
TARGET ILLUMINATOR FIBER
OPTIONAL
DP1511
OR DP1521
CONNECTING CABLE
LIGHT SOURCE
FOR TARGET ILLUMINATION
OPTIONAL
OPTIONAL
BIFURCATED FIBER
FIBER OPTIC
CABLE
LENS CELL
CERAMIC OR
METAL TIP
FIBER OPTIC ASSEMBLY
POLYMER BOLT
EJECTOR PIN
L1
L2
L3
L4
OS1513
DETECTOR HEAD
OS1500-C31
Optional Second Output
(DP1511 and DP1531 Meters)
Signal Processing Outputs
(DP1511 and DP1531 Meters)
Order Add’l
Suffix Price Description
-V $75 0 to 10 Vdc
-MA 125 4 to 20 mA
Optional Second Output
(DP1521 Meter)
Order Add’l
Suffix Price Description
-V $300 0 to 10 Vdc
-MA 500 4 to 20 mA
Order Add’l
Suffix Price Description
-PS $330 Peak sense
and hold
-SA 330 Signal averaging
-VS 330 Valley sense
and hold
-ST 330 Sample timed
hold
-FR 330 Fast rise
variable decay
Signal Processing Outputs
(DP1521 Meter)
Order Add’l
Suffix Price Description
-PS $1320 Peak sense
and hold
-SA 1320 Signal averaging
-VS 1320 Valley sense
and hold
-ST 1320 Sample timed
hold
-FR 1320 Fast rise
variable decay
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