Omega 25 Manuale Utente

This manual provides operating instructions and maintenance information for
five temperature instruments. These instruments are high performance cali-
brator-thermometers capable of simulating and measuring a wide-variety of
sensors. In addition, features such as data storage and ramping further
enhance their versatility.

It is recommended that you read this manual thoroughly, especially the sec-
tions on safety, prior to operating these instruments.

THERMOMETER INPUTS: THERMOCOUPLE; Miniature TC jack. RTD, OHMS,
THERMISTOR; T-series instrumentation connector.

CALIBRATOR OUTPUTS: THERMOCOUPLE; Miniature TC jack. RTD, OHMS,
THERMISTOR; T-series instrumentation connector.

THERMOCOUPLE TYPES: K, J, T, E, N, B, R, S, G, C, D.

1

100

Ω

platinum (

∝

= 0.00385)

1000

Ω

platinum (

∝

= 0.00385)

THERMISTOR TYPE: 2252

Ω

(YSI Series 400).

RT

K; –200°C to 1372°C, –328°F to 2502°F

RT

J; –210°C to 760°C, –346°F to 1400°F

RT

T; –200°C to 400°C, –328°F to 752°F

RT

E; –230°C to 1000°C, –382°F to 1832°F

RT

N; –200°C to 1300°C, –328°F to 2372°F

RT

B; 500°C to 1820°C, 932°F to 3308°F

RT

R; 0°C to 1768°C, 32°F to 3214°F

RT

S; 0°C to 1768°C, 32°F to 3214°F

RT

G; 300°C to 2316°C, 572°F to 4201°F

RT

C; 0°C to 2316°C, 32°F to 4201°F

RT

D; 0°C to 2316°C, 32°F to 4201°F

RTD; –200°C to 850°C, –328°F to 1562°F

THERMISTOR; –40°C to 150°C, –40°F to 302°F

OHMS; 0-999.99

Ω

OHMS; 

0-9,999.9

Ω

OHMS; 

0-99,999

Ω

K, J, T, E, N; ± 0.5°F (rdg 

≥

–50°F)

K, J, T, E, N; 

±1.0°F (rdg < –50°F)

B, R, S, G, C, D; ±1.7°F

2