Product Description
🔹 General Information
|
Manufacturer |
Yokogawa |
|---|---|
|
Model/Part Number |
FU20-10-T1-NPT |
|
Description |
Combination pH sensor with Pt1000 temperature sensor, NPT connection |
🔹 General Specifications
|
Parameter |
Specification |
|---|---|
|
Measuring Elements |
- pH glass electrode- Silver chloride reference- Solid platinum electrode- Pt1000 temperature sensor |
|
Reference System |
Ag/AgCl with saturated KCl |
|
Isothermal Point |
pH 7 / 3.3 M KCl |
🔹 Wetted Parts
|
Component |
Material |
|---|---|
|
Sensor Body |
NPT/FSM: PPS GF40, FTD: PVDF (GF25+TZ24) |
|
Earthing Pin |
Solid Platinum |
|
Measuring Sensor |
G-glass |
|
LE Glass Tube |
AR-glass |
|
O-ring |
Viton |
|
Reference Junction |
Porous PTFE |
🔹 Functional Specifications (at 25°C)
|
Parameter |
Specification |
|---|---|
|
Glass Impedance |
Dome shape: 200 MΩ nominalFlat surface: 700 MΩ nominal |
|
Junction Resistance |
1.0 to 10 kΩ |
|
Junction Type |
Non-flow, double junction |
|
Temperature Element |
Pt1000 / Pt100 (IEC 751 compliant) |
|
Asymmetry Potential |
8 ± 15 mV |
|
Slope |
> 96% of theoretical value |
|
Note |
Temperature sensor is for compensation/indication, not for process control |
🔹 Dynamic Specifications
|
Parameter |
Specification |
|---|---|
|
pH Response Time |
t90 < 15 sec (from pH 7 to 4 step) |
|
Temp. Response Time |
Dome: t90 < 1 min (10 °C step)Flat: t90 < 4 min (10 °C step) |
|
Stabilization Time (pH) |
< 2 min (for 0.02 pH unit change in 10 sec) |
🔹 Mechanical Specifications
|
Parameter |
Specification |
|---|---|
|
Max Torque (Sensor Body) |
NPT / FSM: 12 NmFTD: 8 Nm |
🔹 Environmental Conditions
|
Parameter |
Specification |
|---|---|
|
Storage Temperature |
-10 to 50 ºC (14 to 122 ºF) |
|
Waterproof Rating |
IP67 (IEC 60529 compliant) |
🔹 Shipping Details
|
Model |
Package Size (mm) |
Size (inch) |
Weight (max.) |
|---|---|---|---|
|
FU20-10 |
410 x 130 x 75 |
16.1 x 5.1 x 3.0 |
0.92 kg (2.02 lbs) |
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