SPECIFICATIONS
RTD INPUT
3-Wire or 2-Wire,
10 ohms to 2000 ohms
INPUT RANGE
select
any
range within RTD limit
[min span 25°F/14°C
(100°F/55°C with 10 ohms RTD)]
EXCITATION CURRENT
10 ohms
10 mA
100 ohms
5 mA
1000 ohms
0.5 mA
2000 ohms
0.2 mA
SETPOINT
each alarm 0 to 100% of span
DEADBAND
Standard
fixed 0.5% of span
(Option A)
0.5% to 100% of span
(Option D)
Latching. Interrupt power to reset.
OPEN SENSOR OUTPUT
³
full scale
ACCURACY
±0.1% of span or 0.02 ohms,
whichever is greater
COMMON MODE REJECTION
120 dB, DC to 60 Hz
RELAY CONTACTS
(spdt)
Resistive Load:
5 A max, 150 W max, 240 VAC max,
30 VDC max
Inductive Load:
1
/
8
HP max at 120/240 VAC
OPERATING TEMPERATURE
14°F to 140°F/–10°C to 60°C
TEMPERATURE STABILITY
±0.02% of span or 0.025°C/°C,
whichever is greater
POWER
115 VAC ±10%, 50 or 60 Hz
(2.5 W max)
230 VAC ±10%, 50 or 60 Hz
(2.5 W max)
(DC Power Option)
12 VDC (limits 10 VDC to 15 VDC)
(2.5 W max)
24 VDC (limits 21 VDC to 32 VDC)
(2.5 W max)
Isolation, DC power supply to input
common: 10 megohms
* Within specified range limits.
CASE DIMENSIONS INCHES (mm)
WARRANTY
Contact the factory 1-800-234-1343.
MOUNTING
MM1420, MM1421 and MM1424 are designed to plug into a standard 20-pin relay socket.
(Option E requires an 11-pin socket.)
MP020
and
MP011
are 20-pin and 11-pin sockets
suitable for mounting on a flat surface.
MP011
may also be mounted in a piece of PVC track.
A DIN-rail mounted socket,
DMP011
, is available for 35mm symmetrical rail.
Specifications are subject to change without notice. ©2008 Wilkerson Instrument Co., Inc. DWG#101034C 3/15
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