Simpson MINI-MAX M240 4 Digit Temperature Indicator

SKU
M240-T
Manufacturer:
Simpson
Simpson

Key Features:

  • Minimum Depth Indicator! Less Than 2.5” (60 mm) of Space Required Behind the Panel
  • Field Selectable Input
  • Degrees F/C Switchable
  • Fits 3/64 DIN Cutout, 22mm x 68mm
  • Stackable Mounting Bracket Included for Easy Installation
  • 4 Digit, 0.56” High Red LED Display
  • User Selectable Input Type (J or K Thermocouple, RTD or mV)
  • Standard Screw Terminals for Easy installation
  • Power with 85-250 VAC
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$372.99

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     The Simpson Mini-Max Temperature Indicators provide high quality, accuracy and reliability in a compact, 60mm deep case! Units offer a 4-Digit, 0.56" (12.7 mm) bright red LED display. The four input types and choice of degrees C or F display are jumper selectable and can be changed with no recalibration necessary.

      A unique mounting bracket is provided to allow for vertical and horizontal stacking of multiple indicators. All Mini-Max units feature 3/64 DIN, high impact plastic. Screw terminals are provided for easy wiring of the power supply and input signal connection.

DISPLAY

Type

7- segment, red  LED

Height

0.56” (14.2mm)

 

Display resolution

0.1º from -99.9º to 999.9º;

1.0º below 100º or above 1000º;

0.1mV for  mV  indication

 

Overrange Indication

(T/C or mV)

The left-most digit shows 1: “1”  (other digits are

blank)

 

Open or faulty input connection

“----”

 

Uncalibrated instrument

Display will flash continously “INFO FAIL CALB REQD” upon application of power.

 

Polarity

Automatic, with “-”  indication, “+”  indication

implied

 

POWER REQUIREMENTS

AC  Voltages

85  - 250VAC @ 50-60Hz

Power Consumption

2 VA

 

INPUTS

Thermocouple

J, K

Millivolt

± 70mV (Uncompensated for  temperature)

Lead Resistance Effect

-13µV / 100Ω max.

 

RTD

Platinum 100 Ohm (.00385 alpha)

Lead Resistance Effect

2- and 3- wire 1º / .29Ω max.

 

Temperature Coefficient

± 0.2ºC / ºC

Input TypeTemperature RangeAccuracy @ 25ºC
K  T/C

-100 to 1370ºC

-148 to 2498ºF

± (0.1% rdg +1.5ºC)

± (0.1% rdg +2.7ºF)
J  T/C

-100 to 1200ºC

-148 to 2192ºF

± (0.1% rdg +1.5ºC)

± (0.1% rdg +2.7ºF)
RTD Pt100 (4-wire)

-100 to 850ºC

-148 to 1562ºF

± (0.2% rdg +1.5ºC)

± (0.2% rdg +2.7ºF)
mV-70 to 70mV± (0.1% rdg +0.1mV)

Input Impedance

22MΩ

 

ENVIRONMENTAL

Operating Temperature

0 to 55ºC

Storage Temperature

-10  to 60°C

Relative Humidity

0 to 85% non-condensing

Warmup time

Less than 20  minutes

 

A/D Conversion Techniques

12  Bit  Successive Approximation (SAR)

Rate

10  samples per second

 

NOISE REJECTION

NMRR

60dB, 50/60Hz

CMRR

(w / 1kΩ unbalanced @ 60Hz) 90dB min

 

MECHANICAL

Bezel

0.94” x 2.83”

Depth

2.36”

Panel cutout

0.89” x 2.71”

Weight

3.5  oz.   (99.2 g)

Case Material

94-0, UL-rated, glass-filled thermoplastic

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