上海沪沁仪器设备有限公司

德国莱宝真空计|莱宝真空计TTR91

Technical Data                                                            THERMOVAC Tran*itter

                                                                       TTR 91 / TTR 91 S / TTR 96 S 
Measurement range                  mbar (Torr)                            5 x 10-4 to 1000 (3.75 x 10-4 to 750)

Measurement uncertainty                                       15% in the range 1 x 10-3 to 100 mbar (0.75 x 10-3 to 75 Torr)

Principle of measurement                                                 Thermal conductivity according to Pirani

Supply voltage                                                                       14 to 30 V DC

                                                                                  Hum voltage   1 Vpp

Power consumption                           VA                                              1

Storage temperature range                   °C                                         -20 to +65

Nominal temperature range                   °C                                           5 to 60

Max. rel. humidity                      % n.c.                                             80

Protection cl*                                                                          IP 40

Weight, approx., 
for DN 16 KF                           kg (lbs)                                        0.08 (0.18)

Sensor                                                                         Exchangeable sensing cell

Bake out temperature, max.                  °C                                   80 (250 with long tube)

Dead volume, approx.                      cm3                                     2 (10 with long tube)

Materials in contact with the medium                                          Stainless steel, Ni, gl*, NiFe

   - filament                                                       Tungsten (TTR 91, TTR 91 S) or nickel (TTR 96 S)

Over-pressure rating, abs.                 bar                                             10

Signal output (Ra  ≥10 kΩ)                                                          0 to 10.3  V DC 
   Measurement signal                                              1.9 to 10  V DC, corresp. 5 x 10-4 to 1 x 103  mbar

                                                                              1.286 V/decade, logarithmic

   Status signal                                                                     Error:  0.5 V

Trigger (only TTR 91 S / TTR 96 S)                                             Normally open relay contact 
   Adjustment range                mbar (Torr)                             2 x 10-3 to 500 (1.5 x 10-3 to 375)

   Hysteresis                                                                             10%

   Rating                                                                       30 V, 0.5 A DC, floating

   Error status                                                                    Relay contact open

Status indicators (only TTR 91 S / TTR 96 S)                                   Trigger (active): Green LED

Electrical connection                                                    FCC-68/RJ45 socket, 8 way with shield