Service Manual RF and CRF Dielectric Constants (D.C.) Continuously monitor the level of liquids and slurries, without worry of false signals as a result of material build-up. Loop powered Series CRF delivers a 4-20 mA isolated output signal proportional to the height of material in a tank or holding vessel. Continuous level transmitter can be field calibrated to fit your specific application. Integral electronics and two-wire design simplify installation. Probes should be mounted vertically and are easily trimmed to shorter lengths where required. When mounting in nonmetallic or horizontal tanks, a separate grounding rod must be used. Consult factory regarding mounting flange and grounding rod assemblies. PHYSICAL DATA Supply Voltage:   18 to 30 VDC Output Signal:   4-20 mA, 2-wire, isolated Maximum Loop Resistance:   600W @ 24 VDC Zero Range:   0 to 500 pF Repeatability:   0.1% FS Operating Temperature Range:   -10 to 180°F (-23 to 82°C) Mounting:   ¾" NPT(M), Optional flange mounting Conduit Opening:   ½" NPT (F) Probe Enclosure:   NEMA 4, 7 & 9, epoxy coated aluminum Wetted Materials:   316SS, Teflon® Power Consumption:   6VA Span Range:   25 to 2200 pF Linearity:   0.3% of range Weight:   7.25 lbs. (3.29 kg) Model Number Description CRF106000 CRF108000 Teflon® coated 316SS probe, 6 ft. length Teflon® coated 316SS probe, 8 ft. length APPLICATIONS Alcohols, wastewater, oils, polymers, acids, caustics, pulp, slurries, wood chips, water-based products in tanks, bins, or other vessels. SUGGESTED SPECIFICATIONS Level control transmitter shall provide a 4-20 mA isolated output signal for continuous monitoring of liquids and slurries. Probe enclosure shall be epoxy coated aluminum and meet NEMA 4, 7 & 9 ratings. Wetted parts shall be 316SS and Teflon®. Transmitter shall be Proximity Model CRF ____.

Service Manual Series PLT Piezoresistive Level Transmitters provide reliable measurement and control of process levels by sensing the hydrostatic pressure in a tank. The loop-powered level transmitter delivers a 4-20 mA output signal proportional to hydrostatic pressure and specific gravity of the fluid for indicating, recording or control purposes. Easily accessible zero and span potentiometers make calibration in the field quick and simple. Units are equipped with EMI and reverse polarity protections. Model Number Range Mountain PLT1010 PLT1020 PLT2010 PLT2020 0 to 2 psig 0 to 2 psig 0 to 10 psig 0 to 10 psig 1" NPT(F) 2" Flange 1" NPT(F) 2" Flange PHYSICAL DATA Accuracy:   ±0.25% of calibrated span Repeatability & Hysteresis:   ±0.10% full scale Overrange:   300% upper range limit Supply Voltage:   18 to 40 VDC Output:   4-20 mA, 2-wire Maximum Loop Resistance:   1000W Zero Elevation:   25% standard Zero Suppression:   25% standard Vibration Limits:   ±1 g. 10 to 200 Hz Temperature Compensation:   0 to 180°F (-18 to 82°C) Operating Temperature Range:   0 to 200°F (-18 to 93°C) Fill Solution:   Silicone oil Wetted Parts:   304 stainless steel Housing:   NEMA 4, 7 & 9. Explosion-proof; Class I, Groups B, C, D; Class II, Groups E, F, G; Class III Conduit Opening:   ½" NPT female APPLICATIONS Monitor and control levels of water, chemicals, lubricants, or paints in vented tanks.

Series UL Service Manual Series UL Ultrasonic Level Transmitters provide continuous noncontact sensing for level control of liquids or slurries. The sensor emits an ultrasonic pulse which is reflected Back to the sensor at the liquid/air interface. The distance traveled by the pulse is calculated and converted into a 4-20 mA output signal. Internal microprocessor performs self diagnostics to indicate possible operating problems such as out-of-range or loss of echo. Failsafe feature can be set to deliver a 3 or 21 mA output in the event the echo is lost. Model Number Description UL100 UL200 15 ft (4.5 m) range with 2" PVC flange 35 ft (10.5 m) range with 3" PVC flange PHYSICAL DATA Accuracy:   ±0.3% of span Repeatability:   ±0.125" (±3 mm) typical Supply Voltage:   115±10% VAC, 50/60 Hz, 5 VA Output:   4-20 mA into 600W, isolated Blind Zone:   (UL 100) 12" (cm), (UL 200) 18" (cm) Beam Angle:   Conicle 12° Sensor Pressure Rating:   150 psig maximum Temperature Compensation:   -200 to 180°F (-30 to 82°C) Temperature Range:   Sensor: -20 to 180°F (-30 to 82°C), Electronics: -10 to 160°F (-23 to 71°C) Sensor Material:   CPVC Control Box Enclosure:   Polycarbonate, NEMA 4X Mounting:   (UL 100) 2" PVC 150# flange, (UL 200) 3" PVC 150# flange APPLICATIONS Monitor and control levels of water, wastewater, oils, chemicals, acids, caustics, viscous liquids, and slurries.

Model UT1264

Ultrasonic Level Transmitter Noncontact Measurement, Kynar Probe, 4 to 20 mA Output

Model UT1264 Ultrasonic Level Transmitter provides reliable, noncontact liquid level control in corrosive environments The probe is constructed of Kynar for greater chemical compatibility. Integral electronics generate an ultrasonic pulse which is transmitted through the air space in the tank. The pulse is reflected back to the sensor at the liquid/air interface. From the received echo, the time of flight can be calculated which is directly proportional to the distance of the lquid surface to the sensor. A continuous 4 to 20 mA output signal is generated and updated every half second. Units feature a fully adjustable zero and span, height and distance, mode adjustment, lost echo LED indication, and reverse polarity protection.

PHYSICAL DATA
Range: 10 ft (3m).
Accuracy: ±0.25$ full scale.
Repeatability: 1/8" (3.2 mm) typical.
Supply Voltage: 12 VDC.
Output: 4 to 20 mA DC (isolated).
Dead Zone 6 inches (15 cm).
Temperature Range: Sensor: -20 to 160°F (-29 to 71°C); Electronics: -10 to 170°F (-23 to 77°C) compensated over the full range of sensor.
Maximum Pressure: 100 psig (6.9 bar).
Adjustments: Zero: 6" to 114" (15 to 290 cm); Span: 1" to 120" (2.5 to 305 cm).
Sensor Material: Kynar®.
Enclosure: NEMA 4X (IP67) ABS plastic.
Process Connection 3/4" NPT (M)
Weight 2.0 lbs (0.91 kg).

Model UT1264 Ultrasonic Level Transmitter

Model UT125

Ultrasonic Level Transmitter Noncontact Measurement, ±0.25% Accuracy, 4-wire

Service Manual

Model UT125 Ultrasonic Level Transmitters provide reliable, noncontact measurment for liquid level control in tanks and other vessels. Integral electronics generate an ultrasonic pulse which is reflected Back to the sensor at the liquid/air interface. From the recieved echo, the time of flight can be calculated which is directly proportional to the distance of the liquid surface to the sensor. A continuous 4 to 20 mA output signal is generated and updated every half second. Units feature a fully adjustable zero and span, height and distance mode adjustment, lost echo LED indication, and reverse polarity protection.

• water
• wastewater
• oils
• chemicals
• acids
• viscous liquids
• slurries

PHYSICAL DATA
Range: 10 ft (3 m).
Accuracy: ±0.25% full scale.
Repeatability: 1/8" typical.
Supply Voltage: 16 to 30 VDC.
Output: 4 to 20 mA DC (isolated), 4-wire
Dead Zone: 6 inches
Adjustments: Zero: 6" to 114", Span: 1" to 120".
Maximum Pressure Rating: 100 psig
Temperature Range: Sensor: -20 to 160°F (-29 to 71°C), Electronics: -10 to 170°F(-23 to 77°C) compensated over full range of sensor.
Sensor Materials: CPVC
Enclosure: NEMA 7, cast aluminum.
Mounting and Conduit Connections: ¾" NPT male

STOCKED MODELS

Model Number

UT-125 Ultrasonic Level Transmitter