Strip Chart Recorders
RD-87-J, $460.
RD-87-MA, $460.
RD-87-TRH, $460.
RD-87 Series
Starts at
$
460
⻬ J Thermocouple,
Temperature,
Temperature/Humidity,
Voltage, Current,
4 to 20 mA Input Models
⻬ LCD Alphanumeric
Display, 16 Characters
2-Line
⻬ 100 mm (4") Strip Chart
⻬ Metric (mm) or Standard
(inch) Charts
⻬ Probes are Field
Interchangeable and
Can be Extended
⻬ Over/Under Alarm
with Relay and Beeper,
Selectable Delay Feature
⻬ Battery Backup for
Up to 48 Hours
⻬ +12 Vdc for Mobile
Applications Compatible
All models shown smaller than actual size.
The OMEGA RD-87 Series strip
chart recorders are offered in
different models to record either
a J Thermocouple, Temperature,
Temperature/Humidity, Voltage,
Current, or a 4 to 20 mA input
signal on a 100 mm (4") wide
strip chart, with a single pen.
The temperature/humidity model
uses two pens. Pens are colored
to maximize chart readability. All
RD-87 models offer a LCD display
and user friendly controls. A full
function alarm feature is provided
on the RD-87 Series. The alarm can
be set to sound an audible signal
when the measured value(s) has
exceeded an upper or lower limit.
Each limit is individually set from the
front panel. A delay time before the
alarm is activated may be set by the
user to prevent nuisance alarms
caused by short-term variations.
Low power normally open relay
contacts are provided to allow
activation of a remote alarm,
phone dialer or annunciation.
S-65
RD-87-TEMP, $460.
Power is supplied through a
120 Vac 50/60 Hz plug-in adapter.
External power may be supplied
from any 12 Vdc source such as
automotive, marine, or other battery.
Battery backup for up to 48 hours is
featured to provide operation during
temporary power loss.
Specifications (General)
Operating Ambient Temperature
Range: 0 to 50°C (32 to 120°F)
Storage Temperature:
-18 to 50°C (0 to 120°F)
Primary Power: 115 Vac, 50/60 Hz
adapter (220 to 240 Vac, 50 Hz optional)
Backup Power: 8 “AA” alkaline
batteries (ordered separately)
Alternative Power: 12 V
vehicle operation
Chart Strip Chart: 6 m x 120 mm
3
(20' x 4
Effective Recording Span:
100 mm (4")
Metric Paper Grid Lines: Time line
every 5 mm with markings every
20 mm; 50 minor and 10 major divisions
labeled on a rotating basis, with 100 to
0, 10 to 0, 20 to -30, 50 to 0, 60 to -40
⁄4"), roll type
Chart Speeds:
Standard Paper Grid Lines: Time line
every 0.25" with markings every 1";
50 minor and 10 major divisions labeled
on a rotating basis with 100 to 0,
60 to -40, 150 to 50, 250 to 0, 500 to 0
Remote Alarm Type: Normally open,
48 Vac/Vdc, 0.1 A dry contacts
Remote Alarm Connection: 2,
terminal (spade) lugs in battery
compartment area
1
⁄4"
Chart Speed Accuracy: ±1%
Alarm Delay Range: 0, 10, 20, 60,
120 min
The RD-87-J is a precision strip chart
recorder for recording temperature
via a J Type thermocouple connected
with a miniature (SMP) type connector
located in the battery compartment area.
A 6' beaded thermocouple fiberglass
wire probe is supplied with the unit. Other
probes, sold separately, are available
as needed for high temperature or other
application requirements.
Specifications (RD-87-J)
Temperature Accuracy: ±1°C (±2°F)
1
⁄2 cm/hour, 1⁄4"/hour
2 cm/hour, 1"/hour
4 cm/hour, 2"/hour
8 cm/hour, 4"/hour
16 cm/hour, 8"/hour
1
⁄2 cm/min, 1⁄4"/min
1 cm/min,
2 cm/min, 1"/min
4 cm/min, 2"/min
1
⁄2"/min
Display: Alphanumeric LCD,
16 characters 2 line
RS232 Port Connection: RJ11 (4 pin)
connector in battery compartment area
RS232 Port Parameters:
Data transmitted as measured,
4800 baud, 8, N, 1
Mounting: Vertical or horizontal,
free standing or wall mounted
Dimensions: 235 x 184 x 50 mm
(9.25 x 7.25 x 2")
Weight: 1.1 kg (2.5 lb)
Power Consumption: 3.5 W max
Temperature Ranges
°C °F
-40 to 60 -40 to 60
-30 to 20 0 to 250
0 to 50 0 to 150
0 to 100 0 to 100
0 to 500 0 to 500
0 to 1000
The RD-87-TRH is a precision
temperature, relative humidity and
dew point recorder with a digital
display. The RD-87-TRH is menu driven
and all parameters are shown on a
2-line alphanumeric LCD display. A
temperature/humidity probe with 6' cable
(2' coiled) is supplied with the unit to
connect to an RJ14 (6 pin) connector
located in the battery compartment area.
Specifications
Temperature Accuracy: ±1°C (±2°F)
Relative Humidity Accuracy: ±2%
(0 to 95% RH)
Temperature Range: -40 to 60°C
(-40 to 140°F)
Relative Humidity Range: 0 to 100%
Dewpoint: Calculated value
Probe Dimensions: 118 x 14 mm Dia.
(4.6 x 0.55")
(RD-87-TRH)
RD-87-J, $460, shown smaller than actual size.
Chart Ranges
°C °F
-40 to 60 -40 to 60
-30 to 20 50 to 150
0 to 50 0 to 100
S
RD-87-TRH, $460, shown smaller than actual size.
S-66
The RD-87-TEMP is a precision strip
Extended Warranty
Program
SM
chart recorder for recording temperature.
The RD-87-TEMP features a proprietary
temperature sensor that is enclosed with
a 4" stainless steel jacket, which may be
immersed in any solid or liquid that is
compatible with 300 series stainless steel.
The probe has 15' of cable and utilizes
a standard RCA (stereo plug) jack to
connect to the connector located in the
battery compartment area.
Specifications (RD-87-TEMP)
Temperature Accuracy: ±1°C (±2°F)
Probe Dimensions: 72 x 5 mm Dia.
(2.8 x 0.2") with pointed tip
Chart Ranges
°C °F
-40 to 60 -40 to 60
-30 to 20 50 to 150
0 to 50 0 to 100
The RD-87-MA is a precision strip chart
recorder for measuring and recording DC
voltage and current. The RD-87-MA is
specifically designed to record the output
of 4 to 20 mA loop transmitters and
voltage output transducers. The RD-87MA is supplied with a removable screw
type connector plug to facilitate
connection to 4 to 20 ma current loops.
The connector is located in the battery
compartment area.
RD-87-TEMP, $460, shown smaller than actual size.
Range (Accuracy)
0 to 5.00 V (±0.01 V)
0 to 100 mV (±1 mV)
0 to 20 mA (±0.1 mA)
4 to 20 mA (±0.1mA)
OMEGACARESMextended warranty program is
available for models shown on this page. Ask
your sales representative for full details when
placing an order. OMEGACARE
labor and equivalent loaners.
Comes complete with 1-pen per channel,
1 roll metric paper, 1 roll standard paper,
120 Vac power adapter, and complete
operator’s manual. RD-87-J includes a 6 foot
beaded thermocouple wire. RD-87-TEMP
includes 4 inch probe with 15 feet cable.
RD-87-TRH includes a temperature/humidity
probe with coiled cable. To order unit for
220 Vac, add suffix “-220V” to model
number. No additional charge.
Ordering Example: RD-87-J, thermocouple
recorder, JHSS-18U-RSC-12, handle probe,
RD-87-RP-A, replacement paper,
CT87-PEN-BLACK, replacement pen,
$460 + 41 + 20 + 8.50 = $529.50. OCW-3,
OMEGACARESMextends standard 1-year
warranty to a total of 4 years ($115),
$460 + 115 = $575.
SM
covers parts,
RD-87-MA, $460, shown smaller than actual size.
MOST POPULAR MODELS HIGHLIGHTED!
To Order (Specify Model Number)
Model No. Price Description
RD-87-J $460 J-Type thermocouple recorder
RD-87-TEMP 460 Temperature recorder
RD-87-TRH 460 Temperature/humidity recorder
RD-87-MA 460 4 to 20 mA and DC voltage recorder
Accessories
Model No. Price Description
RD-87-RP-A $30.00 Replacement paper, American scale, package of 4
RD-87-RP-M 30.00 Replacement paper, metric scale, package of 4
CT87-PEN-BLACK 8.50 Replacement black pen
CTH89-PEN-BLUE 8.50 Replacement blue pen (for RD-87-TRH)
CTH89-PEN-RED 8.50 Replacement red pen (for RD-87-TRH)
JHSS-18U-RSC-12 41.00 Handle probe, J type with retractable cable
and SMP connector
MN1500 1.75 Batteries, alkaline 1.5 V “AA”, 2/pack
Recommended Reference Book:
Temperature Measurement in Engineering Vol 1 & 2,
OP-SET1/2, $35.
For Additional Books Visit omega.com/bobi
S-67
One Omega Drive | Stamford, CT 06907 | 1-888-TC-OMEGA (1-888-826-6342) | info@omega.com
EPG05
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