THERMOVAC Transmitter TTR 101

Technical Data

THERMOVAC Transmitter

TTR 101

Measurement principle

10 to 1500 mbar (7.5 to 1125 Torr)

1 to 10 mbar (0.75 to 7.5 Torr)

5 x 10-' to 1 mbar (3.75 x 10a to 0.75 Torr)

Capacitive diaphragm sensor Mixed range

Thermal conductivity acc. to Pirani

Display range

mbar (Torr)

5 x 10 ^ to 1500 (3.8 x 10 ^ to 1125)

Measurement range

mbar (Torr)

5 x 10-° to 1500 (3.8 x 10-° to 1125)

Measurement uncertainty (N,) 5 x 10-' to 1 x 10-" mbar

1 x 10-* to 100 mbar

100 to 950 mbar

950 to 1050 mbar

z 50% of reading z 15% of reading z 5% of reading

+ 2,5% of reading

Repeatability (N,)

1 x 10-* to 1100 mbar

+ 2% of reading

Output signal (measurement signal) Voltage range

Measurement range Error signal

Relationship between voltage and pressure

0 to 10.23 V

+0.6J to +10.23 V

0 V (factory default)

1.286 V / decade, logarithmic

Output impedance Load impedance Response time

2 x 4.7 Ohm, short circuit-proof

> 10 kU

< 30 ms

Transmitter identification

71.5 kU

HV transmitter alignment

at < 10 ^ mbar

ATM transmitter alignment

at > 100 mbar

Semiconductor relay Adjustment range (N ) Hysteresis

Switching characteristic Contact rating

closed open

Switching time

Switching thresholds SP 1/2

5.0 x 10-° to 1500 mbar 10% of the threshold

Low trip point

< 30 V AO/DG, # 0.3 A resistive LED on

LED off

< 30 ms