TN 16N/12N/8N

 

TN-16N, TN-12N and TN-8N are multi-channel thermometers (respectively 16, 12 or 8 input channels) that offer high precision measurements to an accuracy of +/-0.01°C or better (when used with ITS-90 Pt100 sensor) with resolution at an impressive 0.01°C (over the entire range -180 to +650°C). Channel selection is performed either manually or automatically (scanning) or remotely. In addition its self-adaptative linearization mechanism allows to account automatically for each probe characteristics during calibration by a National Laboratory (with a residual non-linearity better than 0.002°C). Other key performances are:

- Long-term drift < 0.01°C +25ppm of Rdg (per year)

- Short-term stability (jitter) < 0.2 digit ( = 0.002°C)

- Temperature coefficient < 2 ppm/°C (max.)

 

 

 

 

 

 

 

Technical specifications

 

 

 

 

 

q  Accuracy

 

Accuracy (after calibration at two fixed points)

0.01°C

 

 

 

 

q  Input channels

 

Number of channels

8 for TN 8N

12 for TN 12N

16 for TN 16N

Channel selection

3 modes: MANU, AUTO and RS232 Mode selection with the [MAM] key

MANU mode

Channel selection with [INC]/[DEC] keys

Channel n° is displayed (0 to 15)

AUTO mode

Successive and permanent display of the 16, 12 or 8 channels

Adjustable scanning interval: 1 to 255sec

RS232 mode

Channel selection via RS232 with PC

 

 

 

 

q  Measurement range

 

Temperature measurement range

-180 to +650 °C (-292 to +1202°F)

 

 

 

 

q  Resolution

 

Thermometer resolution

0.01°C

 

 

 

 

q  Probes linearization

 

Linearization characteristics

Based on ITS-90

Self-adaptative & automatic

Residual non-linearity

< 0.002°C

 

 

 

 

q  Stability performances

 

Long-term drift

< 0.01°C +25ppm of Rdg (per year)

Short-term stability (jitter)

0.2 LSD ( = 0.002°C)

 

 

 

 

q  Auto-zero

 

Auto-zero residual

< 0.0005°C/°C (at the 0°C point)

 

 

 

 

q  Temperature coefficient

 

Temperature coefficient

< 2 ppm/°C (max.)

 

 

 

 

q  Adjustment

 

Adjustment of system Zero & Full-Scale

By means of 3 front-panel keys ([CAL], [INC], and [DEC])

Adjustment on each channel

 

 

 

 

q  Display

 

Display

Easy-to read display with 9 digits

(2 digits used for channel n° display), red LEDs

 

 

 

 

q  Communication

 

Communication

RS232 serial mode (ASCII-characters) , isolated command circuit

 

 

 

 

q  Power

 

Power

110-220VAC,  50-60Hz,  1Watt

 

 

 

 

q  Physical characteristics

 

Case

Extruded aluminium case (EMC)

Full electrical continuity

Version

Laboratory version

(4 feet inc. 2xtip-up feet)

Dimensions

9.1" x 3.3" x 7.5" for 8 channels

Weight

4.4 lb (2 kg)

 

 

 

 

q  Environmental conditions

 

Operating temperature range

0 to 50°C