Proximity sensor with built-in amplifier, heat-resistant type
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Product Description
Proximity Sensors
Proximity sensors are one of the automation machine equipments. They offer a wide variety of sizes to choose from.
[Feature]
● Shape : Screw type
● Thread Size: M8, M12 and M18
● Detection Distance (mm.) : 2, 3 and 5
● Electrical output : NPN N.O
● Operating Temperature (°C) :
PSHM8 - 0 to 140
PSHM12 - 0 to 150
PSHM18 - 0 to 180
● Material : Housing - Stainless steel SUS303
[Application]
It is an important component in the automation system ,its primary function is to detect objects without requiring any physical contact.
Heat-Resistant Proximity Sensors - PSHM
Compact heat-resistant proximity sensors with built-in amplifiers for direct connection to controls. Select the detection distance, M×P, output type and metal-free zone for the selected model.
Material and surface treatment
| Material | Accessories |
|---|---|
| Case: SUS303 | 2 hex nuts |
| Hex nut dimensions (mm) |
|---|
| M8: thickness 4, width across flats 13 M12: thickness 4, width across flats 17 M18: thickness 4, width across flats 24 |
Part numbers and dimensions
Ordering example
| Type |
|---|
| PSHM12 |
| Type | Sensing distance (mm) | M×P (fine) | L1 | L2 | L3 | d | Output type | Ambient temperature range | |
|---|---|---|---|---|---|---|---|---|---|
| Type | M | ||||||||
| PSHM | 8 | 2 | 8×1.0 | 55 | 60 | - | 5 | NPN N.O. | 0°C–+140°C |
| 12 | 3 | 12×1.0 | 49 | 56 | 59 | 5 | 0°C–+150°C | ||
| 18 | 5 | 18×1.0 | 60 | 70 | 76 | 3 | 0°C–+180°C | ||
Not for use at temperatures below 0°C.
Specifications
| Type | Heat-resistant type | ||
|---|---|---|---|
| Type | PSHM8 | PSHM12 | PSHM18 |
| Size | M8 | M12 | M18 |
| Sensing distance | 2mm | 3mm | 5mm |
| Output type / operation mode | NPN / N.O. (normally open) | ||
| Power supply | DC (3-wire) | ||
| Cable | φ5 Silicone, 2 m | φ3 Fluororesin, 2 m | |
| Sensing head structure (how to use) | Shielded type (can be embedded) | ||
| Object | Metals in general Correction factor relative to iron (FE360) = 1 (reference) Aluminum: 0.25 (M12: 0.2, M8: 0); copper: 0.2 (M12: 0.15, M8: 0) Brass: 0.35 (M12: 0.15, M8: 0.25); stainless steel: 0.7 (M12: 0.65, M8: 0.6) | ||
| Differential travel | 3–15% of effective sensing distance Sr | 2–20% of effective sensing distance Sr | |
| Supply voltage range | 10–30V DC | ||
| Output current | 120mA(≤100°C) | 120mA(≤100°C) | 150mA |
| 80mA(>100°C) | 70mA(>100°C) | ||
| No-load supply current | Max. 10 mA | ||
| Max. response frequency | 600Hz | 500Hz | 400Hz |
| Ambient temperature range | 0–+140°C | 0–+150°C | 0–+180°C |
| LED operation indicator | - | ||
| Protection | IP67 | ||
| Built-in protection circuit | Short-circuit protection, overload protection Reverse polarity protection, surge protection EMC protection, power-on reset | ||
| Case material | SUS303 | ||
| Tightening torque (N·m) | 4 | 10 | 20 |
| Features | 1. Compact heat-resistant proximity sensor. 2. Built-in amplifier for direct connection to control equipment. 3. Rugged stainless steel case. | ||
Overview and specifications
Effect of surrounding metal: metal in the metal-free zone around the sensor affects its magnetic field and may cause false detection or a shorter sensing distance.
Install it away from metal, referring to the metal-free zone table below.
Mounting (within 10% change of Sr)
Metal-free zone dimensions
| Type | a | b | c |
|---|---|---|---|
| PSHM8 | 6 | 10 | 6 |
| PSHM12 | 9 | 20 | 9 |
| PSHM18 | 14 | 30 | 15 |