Specifications, DRC-84C Temperature Controller
Input: General:
Temperature Range:
1.4
to
330K with standard silicon
Monltor Output:
Buffered output of 1X Display Sensor
diode DRC Sensor
(to
380K with other silicon Sensors). voltage (silicon) and5X DisplaySensorvoltage (platinum).
30
to
800K with platinum sensor. Silicon diodes cannot Additional outputs listed below as options.
be exposed
to
temperatures above their useful range.
Dimensions,
Weight:
432mm wide
x
102mm high x
Sensors (order separately):
Silicon Diode: DT-500-DRC. 330mm deep (17 in
x
4 in
x
13 in). Style L. full-rack
DT-500CU-DRC-36 or any calibrated DT-500 Series package. Net weight 8.4 kg (18.5 Ibs).
Diode (with DRC-Precision Option). See below for
power:
90-110, 105-125, or 210-250VAC.
50
or 60Hz.
proper response curve. Platinum RTD: PT-101. PT-102, 75 watts,
PT-103'
Or
any
Other
100-ohm, 0.00385/°c
Sensor'
Accessories Supplied:
Mating connectors for sensor
inputs and monitors, instruction manual.
See response curve details below.
Sensor Input:
Two section input (silicon-diode and
platinum RTD). Front-panel switch selects either section.
Each section accommodates two sensors with 4-terminal
Options and Accessories Available:
input for each sensor. Front-panel switches enable
Model DRC8-BCD.
Parallel BCD interface, TTL com-
independent selection of either sensor within each patible. Allows remote control of set-point, gain,
section as display and/or control sensor. Display/control reset, and provides BCD
output
of temperature in Kelvin
sensors cannot be mixed between silicon and platinum and Sensor selected (either from front-panel or optional
Sensor Excitation:
Current source. 10, microamperes
Model DRC8-IEEE.
488 interface. Allows remote control
for each sensor in silicon-diode section,
0.5
milliampere of set-point, gain, reset and provides digital output of
(±0.005%)for each sensor in platinum RTD section. temperature in Kelvin and Sensor selected (either from
Sensor ResponseCurves:
Silicon Diode Section: Domes- front-panel or optional SW-10A)
.
tic US units require Sensor Curve "D". Export units
Model DRC8-L/A.
Analog output proportional
to
Kelvin
require Sensor Curve
"E".
Sensor curves subject
to
temperature for use with recorders, or other readouts.
change, refer
to
manual for proper curve when reorder- 10mV/K at<10 ohm output resistance.
ing Sensors. Curves
to
match existing Sensors available
Model KT-LA.
Analog output identical
to
DRC8-L/A
on special request. See also DRC-Precision Option. except for use when unit is also equipped with DRC8-
Platinum RTD Section: Standard response curve is
BCD,
based on 0.1% interchangeability at 0°C and temp-
Model KT-BCD.
Parallel
BCD
interface
identical
to
erature coefficient (0-100°C)
of
O.O0385/"C. Refer
DRC8-BCD
except
for
use
when
unit
is
also
equipped
to
Lake Shore PT-100 Technical Data for details.
with
DRC8-L/A,
Special calibrations are available and may be incor-
porated into the 84C via the DRC-Precision Option.
Model SW-10A.
10-Sensor Selector Switch for use with
DRC Thermometer or Controller. Pushbutton selection
Input Resistance:
Greater than 1000 megohms. Maxi-
of
any
one
of
up
to
10
sensors,
Connects
to
Sensor
"B"
position. Sensor selected
is
also identified via digital
mum Sensor Power Dissipation: Silicon-diode: 25µW
at 4.2K. Platinum: 25µW below 80K increasing
to
100µW
interfaces.
Dimensions: 216mm
wide
x
102mm
high
x
330mm deep (8% in
x
4 in
x
13 in). Style
L
half-
at 273K. rack package.
Model RM-3F.
Rack ears with handles
to
mount style
Temperature Readout:
Display:
4 digit, 1.1 cm (0.43") LED shows temperature
L
full-rack instrument package in standard 3%" rack
directly in Kelvin or Celsius as selected by front-panel
space
switch. Display Sensor can be selected independent of
Model
RM-3H.
Rack
mounting
hardware
to
mount
either one of two Style L half-rack unit(s) in standard
Control Sensor within each section.
Resolution:
0.1K or 0.1°C. "Scale Expand" increases 3½" rack
space,
resolution to 0.01K for temperatures below 30K and
DRC-Precision Option:
Custom-programmed
read-
only-memory for DRC instruments which improves
0.05K for 30-100K (no increase in accuracy).
Accuracy (20-25°C ambient):
Silicon-diode: ±0.5K at specified accuracy
to
±0.1K or better over a given
4K and 77K. ±1.0K at 300K with standard sensor. calibration range. Any DT-500 Series Silicon Diode
Accuracy with Lake Shore calibrated Sensor and DRC- Sensor or PT-100 Series Platinum RTD can be utilized.
Precision ±0.1K or better depending on calibration Requires that an appropriate calibration be purchased
range. Platinum RTD: Conforms
to
DIN43760 tolerances for the Sensor. Specify Sensor input position (A or B or
±0.1K. See Lake Shore PT-100 Technical Data for 1-10 on SW-10A)
to
assure proper location
of
calibration
details. Calibrated Sensor and DRC-Precision improves within PROM.
accuracy to±0.01K depending on range. First calibration stored
.
Subsequent Calibrationsstored insamePROM.
Temperature Control: Model DT-500-DRC.
Silicon Diode Temperature Sensor
Set-Point:
Digital thumbwheel selection directly in (1.5mm diameter
X
4.1mm long). Specify response
Kelvin,
(+)
Celsius, or
(-)
Celsius as determined by front-
curve
.
Panel switch. Remotely settable in Kelvin with BCD
Model DT-500CU-DRC-36.
Silicon Diode Temperature
or IEEE-488Option. Sensor (8mm diameter
x
3.3mm thick with mounting
Set-Point Resolution:
0.1K or 0.1°C.
Typical Controllability:
0.1K or better in
a
properly
Model PT-101.
Platinum RTD (3.lrnm diameter
x
30.5
rnrn
sections. SW-10A)
.
hole). Specify response curve
.
designed system. long).
Control Mode:
Proportional (gain) and integral (reset).
Model
PT-102.
PIatinurn
RTD
(2.0mmdiameter
x
20.3rnrn
Set via front panel or remotely with BCD or IEEE-488 long).
option.
Model PT-103.
Platinum RTD
(1.8mm
diameter
x
12.1mm
Heater Output:
HI:
0-25 watts (1A max. 25V max). long).
LO: 0-10 watts nominal (1A max or 12V rnax). Isolated
Output. 25-ohm heater is recommended.
Control Sensor:
Selected by front-panel pushbutton
independent of Display Sensor within either section.
Specificationssubject
to
change.
-V-
