Omega Products DP460-E User Manual

Economical High Accuracy
Temperature Indicators

Single and Six-Channel Models

DP460 Series

DP460 base meter.

Temperature Input Models

U Accurate to 0.5°C (0.9°F)
U Selectable Thermocouple Input:

J, K, T, E, R, S, and B

U RTD Input: 0.00385 or 0.00392 alpha
U 0.1°/1° Auto-Resolution
U °F/°C Switchable

Current and Voltage Input Models

U Current and Voltage Selectable
U 0.02% Accuracy, 1-Digit Repeatability
U Pushbutton Digital Scaling and Offset
U -999 to 9999 Display Range
U DP460-E Has a Transmitter/Transducer

Excitation Power Supply

Strain Gage and Load Cell Input Models

U 0 to 5 mV/V and 0 to 50 mV Selectable
U Pushbutton Digital Display Range
U -999 to 9999 Display Range
U Built-in 10 Vdc Excitation Power Supply
U Auto Re-Zero (Tare) Button

Optional
U Multi-Channel Inputs (for Units Without

Excitation Power Supply)

U Single or Dual 5A Alarm Relays

KTSS-14G-12 probe,
sold separately.
Visit omega.com/ktss_jtss_chb

DP461 meter with integral alarm.

Select Input Type Quickly
with internal Rotary Switch

DP462 meter with multi-input.

M-47

DP460

Base Meter

Meter with integral alarm

DP461

DP462

Meter with multi-input

KTSS-14G-12 Probe, sold separately.
Visit omega.com/ktss_jtss_chb

The DP460 Series is designed for
a variety of temperature, current,
voltage, strain gage and load cell
measuring applications. Excellent
accuracy and small size combine
to make it the ideal choice for most
industrial indications.

The DP460-T and DP460-RTD
temperature models feature a unique

0.1° or 1° automatic resolution
(unless the instrument is programmed
to display 1° only). Select among nine
temperature sensors or thermocouple
types, J, K, T, E, R, S, and B or 100
ohm; 3-wire, Platinum RTD’s for
either 0.00385 or 0.00392 alpha.
Behind the snap-off lens, each of
these nine thermocouples can be
selected via a miniature rotary switch.
No calibration is required to switch
between thermocouple types. Another
miniature DIP switch selects between
°F or °C display.

The DP460-V voltage models allow
selection between mA or voltage input
with a switch easily accessible behind
the snap-off front lens. Full scales are
0 to 20 mA or 0 to 10 V. These or any
subset (e.g., 4 to 20 mA, 1 to 5 V) can
be scaled. Two simple pushbuttons
conveniently located behind the snap­off lens are used to set zero (Lo), full
scale (Hi) and a decimal point. The
indicator can be scaled within its wide

-999 to 9999 display count.

The DP460-S strain gage models
are compatible with both bonded­foil type (2 mV/V, 3 mV/V, 4 mV/V)
transducers and higher output,
semiconductor (10 mV/V, 20 mV/V,
30 mV/V) type strain gages.
Its microprocessor design and
ratiometric measuring circuit
assure high accuracy with superior
repeatability. Scaling and calibrating
the DP460-S to display engineering
units from the strain gage input is
similar to the DP460-V models. There
are no pots to drift nor complicated
formulas to compute to set DIP
switch gain ranges. It can achieve
sensitivities as low as 1 µV per count
and can be scaled anywhere within
its wide -999 to 9999 display count.

Meters shown smaller than actual size

The alarm option provides single
(ALM) or dual (ALM2) limit setpoints
that can be set to any point within
the DP460 series’ measuring range.
The user digitally adjusts the setpoint
by pressing two buttons located on
the front panel. Selection of Hi or Lo
(single) alarm or Hi and Lo (dual)
alarms is set by moving a jumper
located on the option card. You can
view the setpoint by pressing the
View button on the front panel. A
light on the front panel illuminates
red for the single alarm or red/yellow
(dual alarm) when the alarm trips.

The DP462 series has the ability
to switch between up to six sensor
inputs of the same type with its
multi-input option. A miniature rotary
switch, accessible from the front
panel, allows convenient switching
between inputs. Sensor hook-up is a
snap-on/off terminal block located at
the rear of the instrument. It is easy
to modify a basic DP460 model and
add the multi-input board (DP460­206 or DP460-403) in the field.

The Rack Adaptor Plate permits easy
mounting of DP460 Series indicators
in standard 483 mm (19") instrument
racks. Four versions are available for
mounting 1, 2, 3 or 4 indicators.

Common Specifications

Display: Four 7-segment red/

orange LED’s, 14.2 mm (0.56") H

Repeatability: ±1 count
Stability with Temperature
Zero: 1 µV/°C
Span: 0.01% reading/°C
Power: 115/230 Vac selectable

(±10%), 50 to 60 Hz, 400 Hz

Noise Rejection

NMRR: 60 dB @ 50/60 Hz

(±0.1 Hz)

CMRR: 120 dB @ 50/60 Hz

(±0.1 Hz with 250 unbalance)

Overload Protection (Power Lead
to Ground): Across inputs, for 1

minute T/C up to 250 Vac/dc, V+ to
V- RTD up to 62 Vac/dc, V+ or I-

Environmental Ranges
Operating: 5 to 45°C

(41 to 113°F)

Storage: -40 to 65°C

(-40 to 149°F)

Humidity: < 80% RH

non-condensing

Alarm Relay Contact Rating

5 A @ 120 Vac (noninductive load),
Form C (SPDT)

Input Types and Ranges

1° Resolution 0.1° Resolution

Input Type Range Accuracy* Range Accuracy*
Iron- -337 to 1403°F 0.03% -99.9 to 999.9°F 0.9°F

Constantan -205 to 762°C 0.03% -99.9 to 761.8°C 0.5°C

CHROMEGA
ALOMEGA

Copper- -346 to 775°F 0.03% -99.9 to 754.6°F 0.9°F
Constantan -210 to 401°C 0.03% - 99.9 to 401.4°C 0.5°C

CHROMEGA
Constantan -205 to 1002°C 0.03% -99.9 to 999.9°C 0.5°C

Pt-Pt13% Rh 32 to 3216°F 0.05%

Pt-Pt10% Rh 0 to 1769°C 0.05%

Pt30% Rh- 316 to 1829°C 0.05%
Pt6% Rh- 601 to 3325°F 0.05%

Pt100 -329 to 1563°F 0.03% -99.9 to 999.9°F 0.9°F

385 or 392 -200 to 851°C 0.03% -99.9 to 850.8°C 0.5°C

Process

Strain

* Accuracy is % reading + 1 digit. † For strain, refer to accuracy specifications for DP460-S

®

- -331 to 2510°F 0.03% -99.9 to 999.9°F 0.9°F

®

-202 to 1377°C 0.03% -99.9 to 999.9°C 0.5°C

®

-338 to 1835°F 0.03% -99.9 to 999.9°F 0.9°F

Not Available

Not Available

0 to 20 mA or 0 to 10 Vdc, Scalable -999 to 9999 0.02%

0 to 50 mV or 0 to 500 mV, Scalable -999 to 9999 0.02%†

-

-

M

†

M-48