Temperature Monitoring


MTDT 24 Digital Temperature Scanner
MTDT 24 Digital Temperature Scanner Ideal for bearing, gearbox, surface, Belt Mis-Alignment or other temperature sensing.

Model no. MTDT24
  • Wall mounted enclosure (7" x 7" x 4-1/2")
  • Can be panel mounted in enclosures with Maxi-Tronic motion controls
  • Displays 16 characters by 2 lines (Alpha-numeric)
Signal Input
  • Type T Thermocouple (Ungrounded)
  • 1-24 inputs single-ended
Digital Output
  • RS485 - For remote operation (Input-Output)
  • N/C - N/O Dry 5A Relay
Supply Power
  • 120 or 240 volts AC
  • Relay output 5 amp SPST N/O or N/C select
  • Screw terminals connection
Scan Rate
  • Adjustable from 1.0 to 4.0 seconds
  • Temperature display in C° or F°
  • Scan is selectable for automatic or manual
  • Each alarm point can be turned on or off
  • Each point can be operator programmed with alpha-numeric characters for that point
Trip #1
  • Temperature alarm adjustable from -15° to +230° F
Trip #2
  • Rate of rise from previous scan adjustable from 1° to 99° F
Options
  • RS485 For remote operation (input-output) isolated and fault protected
  • Key lock to disable control switches
  • Panel mounted enclosure
  • Plug in connector for signal input; 24 inch pig tail for wire splice connections
  • Differential input for grounded thermocouples (input 1-12TC)


Quality Assurance

How To Select Proper Probe Length

Temperature Sensor Grease Fitting


Flat Pack Sensors





Temperature Switches
Temperature Thermostat
Normally Closed Contacts
140 Degree F. Opens
Recloses @ 120 Degrees F.
LOAD 120VAC 240VAC 277VAC
Resistive
Inductive
Pilot Duty
15 AMPS
5.6 FLA-34.8 LRA
125VA
10 AMPS
2.9 FLA-17.4 LRA
125VA
8.7 AMPS

125VA
Thermostat is UL recongnized. File #MH6883 and E23581.
CSA certified. File #12619 and 20339 approved.

Normally Open and Normally Closed Switches Can
Be Purchased In Higher Or Lower Trip Points


Note:
    1. The Cable To Temperature Switch May Have BLACK And RED Or BLACK And WHITE Input Leads. If Cable Has GREEN Wire It Is Not Used.
    2. The Temperature Switch Is Used Only On One Leg Of The Load Circuit.
    DO NOT USE POSITIVE AND NEGATIVE INPUT ON BOTH LEADS
Flat Pack Temperature Switch

Alignment Sensor Temperature Switch




MTDT24 Digital Temperature Electronic Controls
Features

Digital temperature equipment sensors can be used for hot bearing and/or belt misalignment sensing.

Model MT DT
  • Back lighted LCD display Displays 16 characters by 2 lines -alphanumeric
Signal Input
  • Type T thermocouple (UNGROUNDED) 1 to 24 Inputs single ended (25 Pin Min. D)
Supply Power
  • Relay output 5 AMP SPST (N/O or N/C SELECT
Scan Rate
  • Adjustable from 1.0 to 4.0 seconds
  • Scan is selectable for automatic or manual
  • Each point can be operator programmed with alphanumeric characters
  • Each alarm point can be turned ON or OFF
  • Temperature display in Degree C or F
Trip #1
  • Temperature Alarm adjustable (-15° to +230° F)
Trip #2
  • Rate of rise adjustable (1° to 99° F)
  • Digital Output


HB Series
Features
  • MAXITRONIC temperature sensing systems are easy to install and maintenance free.
  • Monitors temperatures of each sensor constantly.
  • Reduces down time due to a overheating condition.
  • Long term savings can be achieved due to increased life of equipment.
  • Indicator warning light will illuminate when temperature rises above preset point.
  • Silence button is provided to switch internal relay to silence alarm horn.
  • Reset button is used to reset circuits - lights and relays when temperature returns to normal condition.
  • Test button is depressed to check all circuits for continuity.
  • Works in fail safe.
  • Maxitronic HB type sensors are UL certified for Class 2 Division 2 Group F&G for use in Hazardous Locations.
Temperature Monitoring Specifications
  • SENSOR ELEMENT: Sensor is a P-T-C (Positive Temperature Coefficient) off-on switching thermistor.
  • SENSOR TEMPERATURE: Customer selects according to need.
  • SENSOR WIRE AND LENGTH: Any 16-28 ga. Copper wire - length up to 5,000 ft. - sensors have no polarity.
  • N/O RELAY: Can be used for external alarm.
  • N/O RELAY: Can be used to shut down equipment when temperature rises above turn on point.
  • RELAY OUTPUT: 7 AMPS. 24 VAC/5 AMPS. 115 VAC.
  • POWER REQUIRED: .5 AMP. 60 HZ/115 VAC.
Maxi-Tronic
3530 Irwin Simpson Rd.
Mason, Ohio 45040

PH: 800.659.8250
PH: 513.398.2500
FX: 513.398.2536

www.maxitronic.com




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