Specifications - Mettler Toledo InPro 6850i Bedienungsanleitung

InPro 6850i / 6900i / 6950i O
8.2

Specifications

Measurement principle
Working conditions
Pressure resistance
(measurement)
Mechanical pressure resistance
Temperature range
(measurement)
Temperature range
(mechanical)
Construction
Temperature compensation
Cable connection
O-ring material
Membrane material
Material sensor body
(wetted parts)
Surface roughness of
wetted metal parts
Quick disconnect interior body
Cathode
Anode
Guard ring
Reference
Dimensions
Sensor diameter
Immersion length (a)
for 12 mm sensor
Immersion length (a)
for 25 mm sensor
Performance
Detection limit
Accuracy
Response time
at 25 °C / 77 °F
Sensor signal in ambient air
at 25 °C / 77 °F
Residual signal
in oxygen-free medium
© 02 / 09 Mettler-Toledo AG
Printed in Switzerland
Sensor 12 / 25 mm
2
InPro 6850i / 6900i / 6950i
Polarographic Clark electrode
6850i: 0.2 ... 6 bar
6900i: 0.2 ... 6 bar
6950i: 0.2 ... 6 bar
Max. 12 bar
0 ... 80 °C
[32 ... 176 °F]
6850i: – 5 ... 140 °C
[23 ... 284 °F]
6900i: – 5 ... 121 °C
[23 ... 249.8 °F]
(sterilizable and autoclavable)
6950i: – 5 ... 121 °C
[23 ... 249.8 °F]
(sterilizable)
Automatic
AK9
Silicone FDA and
USP Class VI approved
Teflon
(reinforced with steel mesh)
316L stainless steel
N5 (R
Standard
Pt
6850i: Pt
6900i: Ag
6950i: Pt
6850i: –
6900i: Pt
6950i: Pt
Ag
6850i: 12 / 25 mm
6900i: 12 mm
6950i: 12 mm
6850i / 6900i:
70, 120, 220, 320, 420 mm
[2.8, 4.7, 8.66, 12.6, 16.5"]
6950i:
70, 120, 220, 320 mm
[2.8, 4.7, 8.66, 12.6"]
6850i: 80, 160, 260, 360 mm
6900i: –
6950i: –
6850i: 6 ppb to saturation
6900i: 1 ppb to saturation
6950i: 0.1 ppb to saturation
6850i:
6900i:
6950i:
98 % of final value in < 90 s
6850i: 50 ... 110 nA
6900i: 250 ... 500 nA
6950i: 2500 ... 6000 nA
6850i: < 0.1 % of the signal
6900i: < 0.3 % of the signal
6950i: < 0.025% of the signal
InPro 6850i, 6900i, 6950i
(9 bar with T-6900R)
® / Silicone / Teflon
= 0.4 µm [16 µin])
a
[3.2, 6.3, 10.2, 14.2"]
± [1 % + 6 ppb]
± [1 % + 1 ppb]
± [1 % + 0.1 ppb]
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®