EX686B71（685A08）美国PCB振动传感器制作精良
685A08
Mechanical vibration switch with CSA and UL approvals, 0 to 7 G's pk, 0 to 100 Hz
Mechanical vibration switch, 0- 7 g pk, 0-6000 cpm, latching relay, single form C electromechanical relay, pushbutton reset, NEMA 7 Explosionproof Class 1 Div 1 gps C & D, 1/2-14 NPT connection interface
Measurement Range: 0 to 7 g pk (0 to 68.7 m/s² pk)
Cable Input: 1/2-14 NPT
Relay: 5A Form C 480 VAC/2A Resistive, 1A Inductive @ 30
Electrical Connector: Screw Terminals
| Performance | |||
| Measurement Range | 0 to 7 g pk | 0 to 68.7 m/s² pk | |
| Frequency Range | 0 to 6000 cpm | 0 to 100 Hz | |
| Relay | 5A Form C 480 VAC/2A Resistive, 1A Inductive @ 30 VDC | 5A Form C 480 VAC/2A Resistive, 1A Inductive @ 30 VDC | |
| Relay(Contacts) | Latching | Latching | |
| Relay(Contacts) | Normally Open / Closed | Normally Open / Closed | |
| Control Interface | |||
| Reset Function | Momentary Pushbutton Switch | Momentary Pushbutton Switch | |
| Environmental | |||
| Temperature Range (Operating) | -40 to 140 °F | -40 to 60 °C | |
| Enclosure Rating | IP50 | IP50 | |
| Hazardous Area Approval | CSA Class I Div 1, Groups C & D | CSA Class I Div 1, Groups C & D | |
| Hazardous Area Approval | UL 516U Explosion Proof, Flame Proof | UL 516U Explosion Proof, Flame Proof | |
| Physical | |||
| Size - Width | 6.38 in | 162 mm | |
| Size - Height | 4.88 in | 124 mm | |
| Size - Depth | 5.63 in | 143 mm | |
| Weight | 4.5 lb | 2.04 kg | |
| Sensing Element | Magnet | Magnet | |
| Housing Material | Aluminum Alloy | Aluminum Alloy | |
| Electrical Connector | Screw Terminals | Screw Terminals | |
 Screw Terminal Wire Size | 14 AWG | 2.5 mm2 | |
| Cable Input | 1/2-14 NPT | 1/2-14 NPT | |
| Mounting Hole Size | 0.38 in | 10 mm | |
EX686B71
Intrinsically-safe, USB-programmable electronic vibration switch, relay output, 0.25 to 5 in/sec pk, 7 to 1k Hz, top exit, terminal block and conduit elbow
The Model 686B7x series of the Smart Vibration Switch have a 2-pin terminal connector and an integrated 1/4" NPT stud mount. They can be ordered with an EX prefix that includes a conduit elbow. EX versions are Intrinsically Safe for use in hazardous areas.
Relay: (Type) SPST, Form A or B MOSFET
Power Required: 24 to 240 V DC/AC 50/60 Hz
Electrical Connector: Terminal Block
| Performance | |||
| Alarm Threshold (±10 %) | 0.25 to 5 in/sec pk | 4.5 to 90 mm/s rms | [1] |
| Frequency Range (±3 dB) | 420 to 60 kcpm | 7 to 1000 Hz | |
| Hysteresis (% < Alarm Threshold) | 3; 6; or 10 % | 3; 6; or 10 % | [1] |
| Residual Vibration Level (Reference) | Dependent or Independent | Dependent or Independent | [1] |
| Residual Vibration Level (% Alarm Threshold) | 1 to 40 % | 1 to 40 % | [1] |
| MAVT (Sets Alarm Threshold to 2X actual vibration) | Enabled or Disabled | Enabled or Disabled | [1] |
| Transverse Sensitivity | <3 % | <3 % | |
| Power On Delay (±1 sec) | 3 or 20 sec | 3 or 20 sec | [1] |
| Startup Delay (±1 sec or 1 min ) (Time) | 1 to 60 sec or 1 to 30 min | 1 to 60 sec or 1 to 30 min | [1] |
| Startup Delay (x Alarm Threshold) | x2; x4; x8; Blocked | x2; x4; x8; Blocked | [1] |
| Startup Delay (Active) | Enabled or Disabled | Enabled or Disabled | [1] |
| Operational Delay (±1 sec) | 1 to 60 sec | 1 to 60 sec | [1] |
| Relay(Type) | SPST, Form A or B MOSFET | SPST, Form A or B MOSFET | |
| Relay(Capacity) | 24 to 240 V AC/DC, 500 mA | 24 to 240 V AC/DC, 500 mA | |
| Relay(Latching) | Latching / Non-Latching | Latching / Non-Latching | [1] |
| Relay(Contacts) | Normally Open / Closed | Normally Open / Closed | [1] |
| Environmental | |||
| Temperature Range (Operating) | -40 to 185 °F | -40 to 85 °C | |
| Temperature Range (Storage) | -40 to 257 °F | -40 to 125 °C | |
| Overload Limit (Shock) | 5000 g pk | 49050 m/s² pk | |
| Electrical | |||
| Power Required | 24 to 240 V DC/AC 50/60 Hz | 24 to 240 V DC/AC 50/60 Hz | |
| Current Rating (Relay Closed) | 500 mA | 500 mA | |
| Leak Current (Relay Open) | ≤1 mA | ≤1 mA | |
| Electrical Isolation (Case) | >100000000 Ohm | >100000000 Ohm | |
| Physical | |||
| Size - Hex | 1.38 in | 1.38 in | |
| Size - Height | 3.68 in | 94 mm | |
| Weight | 7.0 oz | 200 gm | |
| Mounting Thread | 1/4 NPT | No Metric Equivalent | |
| Sensing Element (Internal) | Piezoelectric Accelerometer | Piezoelectric Accelerometer | |
| Housing Material | Stainless Steel | Stainless Steel | |
| Electrical Connector | Terminal Block | Terminal Block | |
| Electrical Connection Position | Top | Top | |
| Screw Terminal Wire Size | 12-24 AWG | 3.0 - .2mm² | |
| Conduit Housing Thread | 1" NPT Female | No Metric Equivalent | |
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