Omega Products DP25-TH User Manual
1
⁄8 DIN Precision Thermistor Meter/
Controller
DP25-TH Series
U Thermistor Input
(8 Types)
U 4-Digit Display
U °C/°F Switchable
U Peak and Valley Recall
U Dual Programmable
Setpoints
U Optional Analog Output
U Optional Latching/
Non-Latching Relays
U
NEMA 4 Front Bezel
The DP25-TH Series combines the
features of a controller, monitor,
and temperature limit alarm into
one easy-to-use digital meter for
applications that require maximum
versatility. The DP25-TH accepts
most popular thermistor inputs,
such as Series 400 and 700 sensor
inputs, and is highly accurate.
Optional dual form “C” relays for
control or alarm are available. Relay
models offer the choice of linear or
proportional analog output.
Power: 115 Vac, 230 Vac, 10 to
32 Vdc, 26 to 56 Vdc; 6 W; 240 Vrms
overvoltage protection
Isolation: Dielectric strength to 2500V
transient per 3 mm spacing based on
EN 61010 for 260 Vrms or DC
NMR: 60 dB
CMR: 120 dB
Operating Temperature: 0 to 50°C
(32 to 122°F)
ON-401-PP
ON-402-PP
Storage Temperature: -40 to 85°C
(-40 to 185°F)
Analog Output: Scalable 0 to 10 Vdc
or 4 to 20 mA; optional
Dimensions: 48 H x 96 W x 152 mm D
(1.89 x 3.78 x 6.0")
Panel Cutout: 45 H x 92 mm W
(1.772 x 3.622")
DP25-TH shown actual size.
Specifications
Input: 44004 (2252 Ω), 44005 (3000 Ω),
44006 (10,000 Ω), 44007 (5000 Ω),
44016 (10,000 Ω) -112 to 302°F, 44008
(30,000 Ω) -40 to 302°F, 44018,
700 linear thermistor composite, -22 to
212°F [resistance at 25°C (77°F)]
Outputs: 2 form “C” (SPDT) relays,
rated 5 A, 250 Vac; programmable for
active high/low alarms with latching/
non-latching relays
Relay Hysteresis: Programmable from
0 to 9999
Accuracy: 0.2°C (0.36°F) after
30 minute warm-up
Temperature Coefficient: ±50 ppm/°C
Read Rate: 3/s
Step Response: 2 s
ON-403-PP
ON-404-PP
ON-405-PP
ON-408-PP
ON-409-PP
M-29
OMEGA
400 Series
thermistor
probes sold
separately.
Visit omega.com/
on-401_on-402
ON-410-PP
®
Price
includes
phone
termination
and 3 m (10')
of vinyl
lead wire.
96.0 (3.78)
48.0 (1.89)
FRONT VIEW
Dimensions: mm (inch)
TOP VIEW
CASE
REAR COVER
96.0 (3.78)
RETAINER
FRONT BEZEL
96.0 (3.78)
FRONT BEZEL
RETAINER
CASE
REAR COVER
(REMOVED)
PANEL
CUTOUT
"NEW" STYLE
MOUNTING
BRACKET
20.3 (0.80)
151.4 (5.96)
REAR COVER
TOP VIEW
48.0 (1.89)
SIDE VIEW
92.00 + 0.81/-0.00
(3.622 + 0.032/-0.000)
R 1.6 (0.06)
4PLCS
Panel Punches
Available, Visit
omega.com/
panelpunches
PA NEL THICKNESS
6.4 (0.25) MAX
0.8 (0.03) MIN
PRODUCT
LABEL
FRONT BEZEL
CASE
"OLDER" STYLE
MOUNTING
GASKET
To Order
BRACKET 2 PCS
Visit omega.com/dp25-th for Pricing and Details
Model No. Description
DP25-TH Thermistor
Comes complete with operator’s manual.
45.00 + 0.61/-0.00
(1.772 + 0.024/-0.000)
PANEL CUTOUT
96.0 (3.78)
FRONT VIEW
92.0 (3.62)
REAR VIEW
48.0 (1.89)
45.0 (1.77)
Display and Output Options* (Additional cost)
Order Suffix Description
-GN Green display (N/C)
-A Analog output
-AI-R
Isolated analog output and relays
-R Dual 5 A relays
-AR Analog output and relays
Power Options* (Additional cost)
Order Suffix Power
-230 230 Vac (N/C)
-DC10/32 10 to 32 Vdc
-DC26/56 26 to 56 Vdc
Not field installable.
*
Ordering Example: DP25-TH-AR-DC10/32, thermistor indicator,
low-voltage power, analog output and dual 5 A relays.
M-30
M
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