Digital Thermometer ( model SDM-2 and SDM-3 )

120Vac, 208-240Vac or 12/24Vac/dc, 50/60Hz ( specify model )

0 to 255F (or -17 to 140C) standard or depending upon temp. probe ordered
(lower or higher temperature ranges available upon request )

+/- 1F (0.5C) Celsius or Fahrenheit (selectable)

3 digits, 7 segment, Super Bright LED RED GREEN or BLUE
( select Large ( 0.56" ) or Smaller ( 0.36" ) LED display digits )

SPST relay, 30 Amp, 250Vac max (or custom)

Piezo, 85dB internal or external custom buzzer/siren.
Up to 500 feet ( 150m ) away from controller ( any type wire )
Automatic with error display and protection

Specifications:

Supply:

Temp. control range:

Temp. Accuracy/units:

Display:

Alarm output (optional) :

Alarm buzzer (optional) :
Probe wiring:
Error detection:

series SDM-2 and SDM-3 DIGITAL THERMOMETER with optional ALARM
( includes external temperature sensor )

Alarm Relay or Buzzer optional.

APPLICATIONS:

SAUNA monitor
STEAM BATH monitor
SPA monitor
HEATERS and CHILLERS
Heating or Cooling
Other media Temperature
Heat /Cool process monitor

LED DISPLAY
AVAILABLE
IN ALL COLORS

Face color AVAILABLE
in Grey or Black .

DESCRIPTION:
Electronic, digital thermometer designed to monitor the temperature at external sensor probe location.
The optional Alarm can be permanent or presettable. When activated, it will contol the output high power Alarm relay or internal piezo Buzzer. External Buzzer options also available.

The 3-digit LED display shows both, the alarm preset and the current temperature.
Models available for 120Vac, 208-240Vac, 12V or 24V AC/DC, 50/60Hz.

Other Features:
The temperature Alarm preset may be permanently set or changed at any time if external pot or push-button model ordered.
In the SDM-2 models the alarm value may be preset with a hidden trimpot accessible when the face is removed.
The probe may be wired up to 500 ft. ( 150 meters ) away from the controller.

Models available to operate in Celsius or Fahrenheit.

DIMENSIONS:

Face: Stainless Steel or Metal,
flush or semi-flush with Lexan decal.
Body: ( W x H x D )
1-3/4" x 2.75" x 2.5"
45mm x 70mm x 64mm

INSTALLATION example in Box
(SDM-2 shown ):

Designed to fit in a 1-Gang
electrical box or in a panel.
Face plate will sit flush with the wall.

Click here to download:

WIRING and INSTRUCTIONS
INSTALLATION

OPTIONAL Plastic or Metal
Sensor Probe Plate
(model PPP4 or PPS4 ).

OPTIONAL:
Sensor Probe Guard
model PG5 (black or grey ) .

TYPICAL WIRING EXAMPLES

Model: SDM-3-120-56-FN0P255-1NA7100KB4100BLK

Digital Thermometer without Alarm. External temp probe included.
Operating range: 0 to 255 F.
120V power line supply.

SELECTION of standard Temperature Probes :

INSTALLATION EXAMPLES

Flush in wall
SDM-3 series

Semi-Flush in wall
SDM-3 series

Flush in 1-gang box
SDM-2 series

Semi-Flush in 1-gang box
SDM-3 series

COMPLETE NUMBERING SYSTEM FOR SD series CONTROLLERS :
( click below to download PDF document )

Click here for complete LIST OF OPTIONS

NA7100KB4100BLK

NA7100KB4100CHR

NA7100KB4100RDT

NA7100KB4100SQT

NA7100KB4100DPD

NA7100KB4100SHD

PT1000TC38550MM

NA7100KB4100PIPTR

Click here for complete LIST OF OPTIONS

Examples of Popular models:

Model: SDM-3-120-56-FN0P255-RP100P194-BZ-1NA7100KB4100BLK

Digital Thermometer witht internal Alarm Buzzer and external temp probe included.
Operating range: 0 to 255 F. Alarm preset range: +100 to +194F.
120V power line supply.
NOTE: The alarm value may be ordered as permanently preset or adjustable with external Pushbuttons or Rotary Pot.