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Wall-Mount Programmable Temperature Monitor
TRODEKS Engineering | Thermocouples, Pressure Transducers, Flow Meters, PID Controllers
  • Easy to View from a Distance
  • Multiple Programmable Display Modes
  • Frequently Used Mathematical Functions
  • Timer for Process Run Time
  • Remote Display Hold
  • Fully Programmable via Front Keys
  • Sealed Enclosure with Clear Plastic Front
  • Protection from Dust and Moisture
  • Thermocouple, RTD, and Thermistor Inputs
  • Alarm Status Indication on Front Panel
  • Built-In Buzzer to Sound Alarm (Optional)
  • 2 Programmable Timers, 4 Process Alarms (Optional)
 Manuals (contact with email : [email protected])


Housed in a wall-mount, watertightplastic enclosure, the DPS3301 is apowerful temperature monitor/indicatorthat accepts a single thermocouple,RTD, or 400 Series thermistorsensor input and then displays thetemperature in either °C or °F. Inaddition, it monitors a number ofimportant functions, such as highand low process readings,process run time, and rate ofprocess change.

Four (optional) process alarms areavailable that are programmableover the entire range of selectedinput type. They can be configuredas latching or non-latching, normallyopen, or normally closed. Alsoavailable are 2 optional timers thatwork independently or inconjunction with process limits (e.g.,turning on a fan 10 minutes afterlimit 1 temperature is reached). Thetime function keeps track of processrun time.

The DPS3301 can function as a ratemonitor, indicating instantaneous aswell as average rate of temperaturechange. Programmable time baseallows the rate to be displayed inper second, minute, hour, or anyother interval. The DPS3301 canalso be programmed for a ratealarm, which can indicate whether apredetermined rate is exceeded ornot achieved.

The DPS3301 can be programmedto indicate in 1 of 7 display modes:
  1. Display Process
  2. Display Rate of Change
  3. Display Deviation
  4. Display Max Reading
  5. Scan All Parameters
  6. Display Min Reading
  7. Display Elapsed Time
If scan mode is selected, all theabove parameters are brieflydisplayed in sequence. Dwell timefor each mode is programmable.

Additional features include a built-inbuzzer that sounds whenever a limitis reached (available with the relayoption). Visual indication of relayoutput status is given by LEDs onthe front panel. A watchdog timerkeeps track of any runaway programscaused by excessive noise or othermalfunctions. The DPS3301 also hasa power line filter designed to providetrouble-free operation in harshindustrial environments.

Input Types: J, K, T, E, R, S, B, thermistor [2252 Ω @ 25°C (77°F)], Pt 100 RTD
CJC Error: ±0.5°C (0.9°F) [10 to 45°C (50 to 113°F)]
    Resolution: 1°C/°F for T/Cs and RTDs, 0.1°C/0.2°F for thermistor
A/D Conversion: 20,000 count A/D converter
Conversion Rate: 7/s (typical)
Display: Red 7-segment LED display, 20 mm (0.8") High
Display Test: on power-up
Power Options: 120 Vac (60 Hz)-standard, 220 Vac (50 Hz)-optional, 15 Vdc @ 900 mA-optional
Output (Optional):
    Open Collector: 6 open-collector outputs, maximum sink capability of 50 mA per output, internal source
    Relays: SPST, 1 A @ 28 Vdc or 0.5 A @ 120 Vac resistive
    Output Termination: Euro-style pluggable connector
Rate: Variable, displayed as rate of change/time base
    Case: 192 W x 160 H x 103 mm D (7.55 x 6.29 x 4.05")
    Material: Polystyrene with crystal-clear polycarbonate lid
Ingress Protection: Up to IP65 (DIN standard)
Weight: 1.4 kg (3 lb)
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