Optical Dissolved Oxygen Sensors
High performance optical in-line probes
Product
InPro 6860 i |
Easy handling – exceptional performance
• No electrolyte or polarization time
required
• Automatic stability control for superior
measurement stability
• Plug and Measure for fast, error-free
start up
• Pre-calibration in the lab with
iSense
• Supports analog (nA / mA) and digital
(Modbus) direct system integration
• Improved optical technology ensures
high accuracy
|
InPro 6960 i |
Specifically for wort aeration
• Long maintenance intervals thanks to
robust design of sensing element
• One-minute maintenance
• Full ISM functionality for fast start-up and
proactive maintenance
• Customizable internal LED switch-off option
for extended sensing element lifetime
• Hygienic design minimizes contamination
risks
• No electrolyte or polarization time required
|
InPro 6970 i |
Top performance and intelligent diagnostics
• Detection down to 2 ppb in beer and
water
• Fast response time minimizes beer losses
• Sensing element is immune to pressure
shocks and extreme CIP cycle conditions
• Plug and Measure simplifies handling
and ensures fast, flawless start up
• Predictive diagnostics for proactive maintenance
• Customizable internal LED switch-off option
for extended sensing element lifetime
• No electrolyte or polarization time required
|
Specifications
InPro 6860i | Inpro 6960i | Inpro 6970i | |
Measurement principle | optical | ||
Working conditions | |||
Permissible pressure range during measurement |
0.2…6 bar absolute 2.9…87 psi absolute |
0.2…9 bar absolute 2.9…130.5 psi absolute |
0.2…12 bar absolute 2.9…174 psi absolute |
Mechanical pressure resistance |
max. 6 bar absolute max. 87 psi absolute |
12 bar absolute 174 psi absolute |
|
Permissible temperature range during measuring |
0…60°C 32…140°F |
0…40°C 32…104°F |
|
Mechanical temperature resistance of the sensor shaft |
–20...140°C –4…266°F steam-sterilizable autoclavable |
–20...121°C –4…250°F steam-sterilizable |
|
Analog/digital Interface | |||
nA Output: (InPro 6860i /../ nA) | 60 nA at air (25 °C, 1013 mbar) | ||
mA Output: (InPro 6860i /../mA | 4 to 20 mA (active) | ||
Analog temperature Output: | NTC 22 kΩ | ||
Digital Interface: |
Modbus RTU on RS485 – Baudrate: 4800,9600, 19200 (default), 38400, 56600, 115000 – Device address: 1 (default to 32) |
||
Power requirements |
Umin = 19.5 VDC Umax = ≤25 VDC Pmax = 0.75 W ➝ 33 … 40 mA |
||
Sensor performance | |||
Operating range | 8 ppb to 60% O2 saturation | 2 ppb to 2000 ppb | |
Accuracy in aqueous media | ≤ ±[1%+8 ppb] | ≤ ±[1%+2 ppb] | |
Response time at 25°C (77°F) (air › N2 |
t 98% < 20 s, < 70 s (InPro 6860i) | ||
Design features | |||
Temperature compensation | automatic with built-in RTD | ||
Cable connection (digital) | data cable 5 pin,VP8 (InPro6860i) | ||
Wetted O-rings | EPDM FDA approved (other materials on request) | ||
O2 selective membrane material | silicone, PTFE (InPro 6860i) | ||
Wetted sensor parts | s / steel 1.4404, [AISI 316L] PPS with material certificate 3.1 (other materials on request) | ||
Surface roughness of wetted s / steel parts | |||
(EN1320:1996) | Ra <0.4µm [16µin] | ||
Certificates (MaxCert™) | |||
Quality (final inspection certificate) | yes | ||
FDA/USP Class VI | yes | ||
Material certificate 3.1 | yes | ||
Surface finish certificate 2.1 | yes | ||
ATEX Certificate | InPro 6860i/12/ xxx /mA only |