Suntest
Suntest IGY3 Series
Manufacturer: Suntest Co.,Ltd
Model: IGY3 Series
Magnetostrictive Displaiacement Transducer
Model GY Series are “Displacement Transducers” employing magnetostrictive phenomena, especially the Wiedemann effect. An ultra-sonic wave is generated by a moving magnet operating near a magnetostrictive wave guide on which the sonic wave propagates up to the head of the transducer.
The propagation time is precisely measured by state of the art technology and then the absolute displacement transducer is operational.
[ Principle ]
The figure shows the fundamental principle of operation.
When a current pulse like A is given to the wave guide, it generates a circumferential magnetic field on the wave guide, then placement of the movable magnet (polarized axially) as shown, only the axial magnetic field of the magnet affecting the wave guide produces a resultant field as indicated by the dotted line.
The vector combination of these two fields produces torsional strain, a phenomenon known as the Wiedemann Effect.
It is a form of vibration and propagates along the wave guide in the form of a transverse ultra-sonic wave.
The GY series displacement transducers detect the propagation time of the ultra-sonic wave.
IGY3 Series
Intrinsic safety structure
It’s the displacement sensor of intrinsic safety type based upon international standards which can be used at zone 0. (Class 0 hazardous area). Class A grounding (first class grounding) isn’t necessary adopting a power transformer and photo coupler isolation system. Possible to 100°C rod by option.
Form official approval pass symbol : No.TC14815 (Sep, 2000)
Specifications
| Non-linearity | ≦±0.05%FS Typ. |
|---|---|
| Resolution | ≦±0.03％FS |
| Repeatability | ≦±0.03%FS |
| Temp. drift | ≦±0.02%FS /°C (Probe) ≦±30ppmFS /°C (Controller) ≦±50ppmFS /°C (P/A converter) |
| Power supply | 90〜110VAC 50/60Hz ≦3W (Controller) +24(±2)VDC 0.1A (P/A converter) |
| Max. Pressure | 35MPa (probe rod) |
| Operating temp. | -5°C〜+60°C (Probe) (Std.) -5°C〜+100°C (Probe)(Option) 0°C〜+60°C (Contoroller) 0°C〜+60°C (P/A converter) |
| Storage temp. | -40°C〜+80°C |
| Vibration | 6G (or 40Hz 2mmPP) |
| Shock | 50G (2msec) |
| IP grade | Probe : IP65 Controller : IP20 P/A converter : IP20 |
| Explosion-proof symbol | ExdⅡ CT4 |
- The above mentioned accuracy applies to sensors with an effective stroke of 300mm or more. The specification of stroke less than 300mm is equal that of stroke 300mm.
Model No.
① Probe rod Operating temp.
S :-5〜+60°C(Std.)
H :-5〜+100°C(option)
② Thread
M :M24xP1.0(Std.)
N :M18xP1.5
U :3/4-16UNF
③ Rod diameter
1 :Φ10(Std.)
3 :Φ13.8
8 :Φ8
④ Effective stroke
50〜1500mm
*Max. length depends on using magnet or float.
* Associated magnet or float
| magnet | float |
|---|---|
| T142, T162, BE, BF | F28S, F30S, F40S F42S, F50F, F54S |
- Please consult our factory in case of requesting special magnet or float.
- This model code means only specifying associated magnet or float.
- Ordering magnet or float individually.
① Output
A:0〜10V
B:4〜20mA
② Effective stroke
50mm〜1500mm
③ When magnet moves toward tip
D:output increase
R:output decrease
Dimensions
Probe & Magnet
Controller
P/A converter
Construction
- IGY3 series consist of a probe, a controller, a P/A converter, a magnet (or a float), cable between probe and controller, and 1m cable between controller and P/A converter. (Plastic magnet or float can’t be used by law.)
- Probe has 1.5m cable with it. In case of extending cable, It is possible to extend max. 400m by using the dedicated cable (2 core with shield). (Please connect extend cable with 1.5m cable of probe in terminal box.)
- Probe and magnet (or float) should be installed in dangerous zone, and controller and P/A converter should be installed in non dangerous zone.
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