- Economical Easy to Use Controller
- Models for J, K, T Thermocouples, PT100 RTD, NTC Thermistor
- On/Off Control or Alarm Output
- Alarm Functions such as Low, High and Differential
- Sensor Offset Adjustment
- Adjustable Hysteresis
- Configuration is Maintained Even with Energy Failures
- Configurable Password for Configuration Lock
- Long Life Silicone Keys
- Front-Panel with IP65 Protection
The N320 is a family of economical easy to use temperature controllers. Despite their low price they provides all of the features needed for heating or cooling applications. They are available with J/K/T type thermocouple, PT100 RTD and thermistor input. The N320 family features sensor offset correction and can be used as an on/off controller or alarm. Models are available with one, two or three relay outputs, RS485 communication, Vac or Vdc power.
| To Order click on the model below (or scroll to the top of the page and select the model from the drop down box) then ADD TO CART button |
| PART NUMBERS | DESCRIPTION |
| Thermocouple Input | |
N321-J/K/T |
On/Off Temperature Controller for Thermocouples,One Relay,100-240 Vac Power |
| N321-J/K/T-24V |
On/Off Temperature Controller for Thermocouples,One Relay,12-24 Vac/dc Power |
| N322-J/K/T |
On/Off Temperature Controller for Thermocouples,Two Relays,100-240 Vac Power |
| N322-J/K/T-24V |
On/Off Temperature Controller for Thermocouples,Two Relays,12-24 Vac/dc Power |
| N322-J/K/T-RS485 |
On/Off Temperature Controller for Thermocouples,Two Relays Plus RS485,100-240 Vac Power |
| N322-J/K/T-RS485-24V |
On/Off Temperature Controller for Thermocouples,Two Relays Plus RS485,12-24 Vac/dc Power |
| N323-J/K/T |
On/Off Temperature Controller for Thermocouples,Three Relays,100-240 Vac Power |
| N323-J/K/T-24V | On/Off Temperature Controller for Thermocouples,Three Relays,12-24 Vac/dc Power |
| N323-J/K/T-RS485 | On/Off Temperature Controller for Thermocouples,Three Relays Plus RS485,100-240 Vac Power |
| RTD Input | |
| N321-PT100 | On/Off Temperature Controller for RTDs,One Relay,100-240 Vac Power |
| N321-PT100-24V | On/Off Temperature Controller for RTDs,One Relay,12-24 Vac/dc Power |
| N322-PT100 |
On/Off Temperature Controller for RTDs,Two Relays,100-240 Vac Power |
| N322-PT100-24V |
On/Off Temperature Controller for RTDs,Two Relays,12-24 Vac/dc Power |
| N322-PT100-RS485 | On/Off Temperature Controller for RTDs,Two Relays Plus RS485,100-240 Vac Power |
| N322-PT100-RS485-24V |
On/Off Temperature Controller for RTDs,Two Relays Plus RS485,12-24 Vac/dc Power |
| N323-PT100 | On/Off Temperature Controller for RTDs,Three Relays,100-240 Vac Power |
| N323-PT100-24V | On/Off Temperature Controller for RTDs,Three Relays,12-24 Vac/dc Power |
| N323-PT100-RS485 | On/Off Temperature Controller for RTDs,Three Relays Plus RS485,100-240 Vac Power |
| N323-PT100-RS485-24V | On/Off Temperature Controller for RTDs,Three Relays Plus RS485,12-24 Vac/dc Power |
| Thermistor Input | |
| N321-NTC |
On/Off Temperature Controller for Thermistors,One Relay,100-240 Vac Power, Includes Thermistor |
| N321-NTC-24V | On/Off Temperature Controller for Thermistors,One Relay,12-24 Vac/dc Power, Includes Thermistor |
| N322-NTC |
On/Off Temperature Controller for Thermistors,Two Relays,100-240 Vac Power, Includes Thermistor |
| N322-NTC-24V |
On/Off Temperature Controller for Thermistors,Two Relays,12-24 Vac/dc Power, Includes Thermistor |
| N322-NTC-RS485 | On/Off Temperature Controller for Thermistors,Two Relays Plus RS485,100-240 Vac Power, Includes Thermistor |
| N322-NTC-RS485-24V |
On/Off Temperature Controller for Thermistors,Two Relays Plus RS485,12-24 Vac/dc Power, Includes Thermistor |
| N323-NTC |
On/Off Temperature Controller for Thermistors,Three Relays,100-240 Vac Power, Includes Thermistor |
| N323-NTC-24V | On/Off Temperature Controller for Thermistors,Three Relays,12-24 Vac/dc Power, Includes Thermistor |
| N323-NTC-RS485 | On/Off Temperature Controller for Thermistors,Three Relays Plus RS485,100-240 Vac Power, Includes Thermistor |
| N323-NTC-RS485-24V | On/Off Temperature Controller for Thermistors,Three Relays Plus RS485,12-24 Vac/dc Power, Includes Thermistor |
| Downloads |
| N321, N322, N323 Data Sheet |
| N321, N322, N323 User Manual |
| N322 Communication Protocol |
| N323 Communication Protocol |
SPECIFICATIONS
INPUT
Thermocouple Type J; Range: 0 to 600 °C (32 to 1112 °F)
Thermocouple Type K; Range -50 to 1000 °C (-58 to 1832 °F)
Thermocouple Type T; Range: -50 to 400 °C (-58 to 752 °F)
Thermocouple Accuracy: 3 °C (5.4 °F)
Pt100; Range: -200 to 530 °C (-328 to 932 °F); α= 0,00385; 3 wires;
PT100 Accuracy: 0.7 °C (1.3 °F); according to IEC-751 standards;
Thermistor NTC, 10 kΩ @ 25 °C, β25 / 85 = 3435 K1%; Range: -30 to 105 °C (-22 to 221°F)
Accuracy: 0.6 °C (1.1°F);
Maximum error in the interchangeability of NTC sensors: 0.75 °C (1.35 °F). This error can be eliminated through the offset parameter of the controller.
Note: For the NTC thermistor option, the sensor comes with the controller. Its operating range is limited to -30 to +105 °C (-222 to +221 °F). It has cable of 3 meters in length, and can be extended up to 200 meters(thermistor model number NTC-MOD2-304SS-3M)
Output
N321: One SPDT relay outlet, 1HP (16A resistive)/250 Vac
N322: One SPDT relay outlet, 1HP (16A resistive)/250 Vac plus one SPST relay, 3A (5A resistive)/250 Vac
N323: One SPDT relay outlet, 1HP (16A resistive)/250 Vac plus two SPST relays, 3A (5A resistive)/250 Vac
Communications: RS485 interface with Modbus RTU protocol (Only N322 and N323)
POWER SUPPLY: 100~240 Vac/dc (± 10 %), 50~60 Hz or 12 to 24 Vcc (model dependent)
Power consumption: 5 VA
DIMENSIONS: (W x H x D): 74 x 32 x 75 mm
Panel cut-out: 70 x 29 mm
Weight: 100 g
ENVIRONMENT: Operating temperature: 0 to 40 °C (32 to 104 °F)
Storage temperature: -20 to 60 °C (-4 to 140 °F)
Relative humidity: 20 to 85 % RH
Certifications: CE and UL