DuraVibe - Model VibraRod -Vibrating Point Level Sensor

Durability

• Stainless steel probe construction for durable, maintenance-free performance

Versatility

• Varying moisture, temperature, material composition? No problem!
• Detects light (10 lbs/ft³) to heavy, dense materials with protective baffling
• Pipe extension units are available

Peace-of-mind Reliability

• Self-cleaning single probe design eliminates false signals found with “tuning fork” designs
• Probe is tip-sensitive and unaffected by material build-up near mounting base
• Reduced probe diameter and overall length to make it less vulnerable to bending and less susceptible to material build-up
• Fail safe feature provides alarm in case of a power failure

Easy Set-up

• No calibration required! Easy installation and commissioning
• Three sensitivity settings for optimum performance
• External status LED provides visual indication. (Ord. Loc. units only)

Superior third party approval compliance

• Ordinary and Hazardous location approvals - View Specifications
• Intrinsically safe probe for ultimate hazardous location protection

The DuraVibe™ Model VibraRod™ vibrating point level sensor is a mechanical resonance system that is excited at a resonance by an electrical circuit. Two piezoelectric crystals are mounted internally at the probe’s base. The electronic module generates an electrical signal that has an equivalent frequency to the probe’s resonant frequency; this signal is applied to one crystal, which causes the probe to vibrate. The vibration is monitored by the second crystal which provides an electrical signal back to the electronic module. When material contacts and surrounds the probe, the vibration is dampened and the signal from the second crystal is reduced. This signal reduction is detected by the electronic module, which reacts by providing a signal out of the module through the relay contacts. The sensitivity for the VibraRod is selectable. The single probe design prevents material bridging, which is common with the dual-blade (“tuning fork”) design.

• Typical target materials for this switch include, but are not limited to:
• Dry ingredients, whole or ground coffee beans, rice, peanuts, grain, feed pellets/crumbles, tobacco, sawdust, wood shavings, plastic pellets, powdered clay, sand, gravel, cement, lime, chemicals/pharmaceuticals, carbon black and more.
• Versatile and durable, yet economical, vibratory solution.
• Ideal for reliable detection of materials whose physical characteristics are variable, such as, changes in moisture, temperature, composition or geometric shape.
• Excellent for a variety of materials with densities as low as 10 lbs/ft3 (160 kg/m3); with a maximum particle size of about 1 inch (25 mm).
• Acceptable for installations where material clings to sidewall as probe is tip-sensitive and unaffected by material build-up near mounting base.
• Level detection / back-up protection for dust collection hoppers.

• Power Requirements:
• 22-27VDC (+/-10%);
• 22-232VAC (+/-10%), 50/60 Hz
• Power Consumption: ≤ 4VA (AC); ≤ 3W (DC)
• Altitude: 6562 ft (2000m) max
• Installation Category: II
• Pollution Degree: 2
• Process Temperature:
• Standard Probe: -4° to 176° F (-20° to 80° C)
• Pipe Extension Probe: -4° to 176° F (-20° to 80° C)
• Ambient Temp (all units): -22° to 149° F (-30° to 65° C)
• Output Relay:
• VAC: SPDT isolated; 3A @ 250VAC max
• VDC: SPDT isolated; 3A @ 30VDC max
• Sensitivity:
• A: 10.0~12.5lbs/ft3 (160~200kg/m3)
• B: 12.5~15.6lbs/ft3 (200~250kg/m3)
• C: 18.7~21.8lbs/ft3 (300~350kg/m3)
• Time Delay (Fixed):
• Hold-off (stop of vibration), delay of 1 second
• Hold-on (start of vibration), delay of 2 to 5 seconds
• Fail-Safe: Switch Selectable: High or Low
• MaxLoad at Probe End:
• 100 lbs [45.4kg] (450N) - Standard & Pipe Ext.
• Resonance Frequency: 355 to 390 Hz
• Housing: Powder coated die-cast aluminum; NEMA 4X, ENCLOSURE TYPE 4X,
• IP66
• Process Connection: 1-1/4" NPT (VibraRod), 1-1/4” NPSC (Vessel); 304SS
• Pressure Rating:
• Standard Probe: 145psi (10bar)
• Pipe Extension Probe: 145psi (10bar)
• Conduit Connections: (2) 1/2" NPT
• Local Indicator: Bi-color LED;
• Green = No material,
• Red = Material present,
• No light = No power
• Probe Material (all versions): 304 Stainless Steel
• Pipe Extension: 304SS 3/4” pipe, Customer specified length max6` [1.83m] for top mount, 2` [0.61m] for side mount
• ApproxShip Dimsand Weight: Standard Probe: 17.75"Lx6.5"Wx6.5"H (451x165x165mm); 5lbs(2.3kg)
• Approvals:
• CSAUS/C: Ordinary Locations;
• Class II, Div1&2, Groups E, F, G; Class III
• Hazardous Locations
• with Intrinsically Safe Probe
• ATEX: (Ex) II 2D Ex tb [ia Da] lllC T75°C Db
• IECEx: Ex tb [ia Da] lllC T75°C Db (See Bulletin #554K regarding specific conditions of use.)

• CE Mark
• CHINA RoHS 2