Also the instruments of series BT conform to the well known Fantinelli production philosophy are manufactured and offered in two executions: - execution B made with traditional criteria of quality and versatility able to satisfy the specific requirements of delivery and flexibility; - execution S maintains a very good quality level but the meantime is offering considerable economic advantages due to updated product modern technologies.

TECNICAL FEATURES

• Execution
- B and S.

• Nominal sizes
- 100 and 150 execution B;
- 80,100,125 and 150 execution S.

• Casing
- case and ring in AISI 304 stainless steel (AISI 316 on request - option V61) with bayonet bezel.

• Protection degree (according to EN 60529)
- IP 55 for dry execution;
- IP 65 (option V66 and V72).

• Window
- glass for dry execution;
- laminated safety glass for liquid filled execution or on request (option V17).

• Thermometric element
- bimetal spiral.

• Ranges (according to EN 13190)
o Graduation:
- 0 ÷ 60; 0 ÷ 100; 0 ÷ 120; 0 ÷ 160; 0 ÷ 200; 0 ÷ 250; 0 ÷ 300; 0 ÷ 400; 0 ÷ 500; -50 ÷ +50 ; -40 ÷ +60; -20 ÷ +40; -20 ÷ +100; (divisions as per table C2 at page P.08)
- other graduations not normalized for single or double range (on request).
o Unit of temperature:
- °C (Celsius) and °F (Fahrenheit) for single or double range.
o Scale angle:
- 270 °.

• Working temperatures (referred to full scale value)
- from 1/10 to 9/10.

• Over-temperatures (occasionally allowed)
- 115% of full scale value.

• Pointer
- aluminium with micrometer adjustement.

• Dial
- white aluminium with black figures (for dial modifications see available options).

• Accuracy (according to EN 13190)
- class 1.

• Sensitive stem
- see page BT04 and BT06.

note: instruments are manufactured with G8 (fixed) or G9 (sliding) connection also suitable for an eventual thermowell connection.

• Thermowell
(see pages PZ01,PZ02 and PZ03)
- built-up from pipe - P2 and P4 type;
- drilled from solid bar stock - P3 and P5 type (dimensions and materials are decided by customer).