WIRELESS HYDROSTATIC LEVEL TRANSMITTER
Battery-Powered Self-Contained Level Monitoring Solution
WT-LL4 | WT-LL5
HIGHLIGHTS
- 1-5 Vdc hydrostatic sensor input
- Up to a 10-year battery life
- Advanced local LCD display interface
- Supports Over-the-Air (OTA) functionality for updating the device configuration/calibration (900 MHz only)
- Self-contained, rugged design
- Installs in minutes
- IP66, -40 °C to 70 °C (-40 °F to 158 °F)
- 900/915 MHz range: Up to 1.4 Miles / 2.3 km with Clear Line of Sight
- 2.4 GHz range: Up to 1.9 Miles / 3.1 km with Clear Line of Sight
- 868 MHz range: Up to 1.5 Miles / 2.4 km with Clear Line of Sight
- Secure AES encryption
- Class I, Division 1 (Zone 0), Intrinsically Safe
Supports 1-5 V Hydrostatic Level Sensors
The OleumTech® OTC Wireless Hydrostatic Level Transmitters measure level by monitoring pressure at the bottom point of vented top mount tanks, deep wells, water towers, rivers, and lakes. The transmitters are equipped with one 0-5 Vdc analog input and provide high resolution 24-bit analog to digital conversion (ADC). The transmitters can supply up to 9.5 Vdc to the connected sensor. The WT-LL4 direct mount version includes a specified length hydrostatic pressure sensor and direct mounting solution while the WT-LL5 allows users to select their own sensor and mounting method. The WT-LL5 also provides a discrete input. These ultra-low-power transmitters are powered by replaceable battery packs that provide up to a 10-year life. The push button LCD interface allows for device configuration and instant access to process data.
Reliable, Scalable and Safe
The field-proven wireless transmitters communicate with an assigned wireless gateway within the OTC Wireless Sensor and I/O Network creating a highly scalable network, accommodating virtually any I/O requirement.
The OleumTech Wireless Transmitter is certified for use in Class I, Division 1 (Zone 0) hazardous locations. It is intrinsically safe, designed not to cause a spark, and can be serviced without being removed from a process.
This product is also available without a local display.
- 0-5 PSI – 1-5 V, 25 ft Cable Length, Weight Kit Included, Part# A005025K
- 0-10 PSI – 1-5 V, 50 ft Cable Length, Weight Kit Included, Part# A010050K
- 0-25 PSI – 1-5 V, 75 ft Cable Length, Weight Kit Included, Part# A025075K
TECHNICAL SPECIFICATIONS
| WIRELESS COMMUNICATIONS | |
|---|---|
| Radio Band | ∙ ISM Band (License-Free) |
| 900 MHz / 915 MHz | ∙ FHSS, FSK, AES Encryption 256-bit (900 MHz), 128-bit (915 MHz) |
| 2.4 GHz | ∙ DSSS, AES Encryption 128-bit |
| 868 MHz | ∙ LBT-AFA, AES Encryption 128-bit |
| Bit Rate | ∙ 900/915 MHz: 9600 bps / 115.2 kbps; 2.4 GHz: 250 kbps; 868 MHz: 80 kpbs |
| Output Power (Max) | ∙ 900/915 MHz: 10 mW; 2.4 GHz: 63 mW; 868 MHz: 25mW |
| Receiving Sensitivity | ∙ 900/915 MHz: -110 dBm @ 9600 bps, -100 dBm @ 115.2 kbps |
| ∙ 2.4 GHz: -101 dBm @ 250 kbps; 868 MHz: -106 dBm @ 80 kbps | |
| RF Range | ∙ 900/915 MHz: Up to 7500 Feet / 1.4 Miles / 2.3 km with Clear Line of Sight |
| ∙ 2.4 GHz: Up to 1.9 Miles / 3.1 km with Clear Line of Sight | |
| ∙ 868 MHz: Up to 1.5 Miles / 2.4 km with Clear Line of Sight | |
| HARDWARE FEATURES | |
|---|---|
| Device Functionality | ∙ Liquid Level Sensing Wireless Transmitter Using Hydrostatic Technology |
| Embedded Controller | ∙ Ultra-Low Power RISC Microcontroller with Internal FLASH (Field Upgradeable) |
| Configuration | ∙ Standard RS232 Serial / BreeZ® Software for PC |
| Sensor Type | ∙ Submersible Hydrostatic Pressure Sensor (Sold Separately), Wide Operating Temperature Range |
| Discrete Input | ∙ Dry Contact, NPN (Sink), Debounce Filter 20 - 2000 ms, 16-bit Counter (Available on WT-LL5) |
| Power Source | ∙ Self-Contained, Internal 3.6 Vdc Lithium Battery |
| Internal Battery Life | ∙ Up to 10 Years, Based on User Defined Reporting Intervals |
| Local LCD Display | ∙ 32-Character Display (16x2 Lines) with 4 Function Keys + Read Button |
| Instant Displayable Read | ∙ Level / Discrete Input / Battery Voltage / RF Status |
| Local Configuration | ∙ Integral LCD with Push Button Interface |
| Device Diagnostics | ∙ Health Tags: Battery Voltage, Received Signal Strength Indication (RSSI), RF Refresh, RF Timeout |
| MECHANICAL SPECIFICATIONS | |
| Dimensions, LL4 | ∙ 5.5" (W) x 19.75" (H) x 4.4" (D) / 140mm (W) x 502mm (H) x 112mm (D) |
| Dimensions, LL5 | ∙ 5.5" (W) x 12.8" (H) x 4.4" (D) / 140mm (W) x 325mm (H) x 112mm (D) |
| Package Dimensions, LL4 | ∙ 14" (W) x 30" (H) x 7" (D) / 356mm (W) x 762mm (H) x 177.8mm (D) |
| Package Dimensions, LL5 | ∙ 10.25" (W) x 14" (H) x 6.5" (D) / 260mm (W) x 356mm (H) x 165mm (D) |
| Package Weight, LL4 | ∙ ~10 lbs / 4.5 kg |
| Package Weight, LL5 | ∙ ~7 lbs / 3.2 kg |
| Connection Fitting | ∙ WT-LL4: 1.5" NPT Male Compression Fitting; WT-LL5: 3/4" NPT Female |
| Enclosure Casing Material | ∙ Type 4X Aluminum; IP66 |
| GENERAL SPECIFICATIONS | |
| Operating Conditions | ∙ Ambient Temperature (Class I, Division 1 / Zone 0): -40 °C to 70 °C (-40 °F to 158 °F) |
| ∙ LCD Screen -20 °C to 70 °C (-4 °F to 158 °F) | |
| ∙ Ambient Temperature (Non-Hazardous Applications): -40 °C to 80 °C (-40 °F to 176 °F) | |
| ∙ LCD Screen -20 °C to 70 °C (-4 °F to 158 °F) | |
| ∙ Humidity: 0 to 99 %, Non-Condensing | |
| Warranty | ∙ 2-Year Parts and Labor |
| Country of Origin | ∙ USA |
| CERTIFICATIONS & COMPLIANCE | |
|---|---|
| EMC/EMI | ∙ FCC Part 15 (USA), IC ICES-003 (Canada), ACMA (Australia) |
| ∙ AS/NZS CISPR 32 (Australia), EN55032 & EN55024 (EU) | |
| Safety | ∙ Class I, Division 1, Groups A, B, C, D T3C; Ex ia IIC T3 |
| ∙ Class I, Zone 0; AEx ia IIC T3 | |
| ∙ ATEX: Sira 13ATEX2142X; Ex ia IIC T3 Ga; II 1 G | |
| ∙ IECEx: SIR 13.0054X; Ex ia IIC T3 Ga | |
| GENERAL SPECIFICATIONS | |
|---|---|
| Operating Conditions | ∙ Ambient Temperature (Class I, Division 1 / Zone 0): -40 °C to 70 °C (-40 °F to 158 °F) |
| ∙ LCD Screen -20 °C to 70 °C (-4 °F to 158 °F) | |
| ∙ Ambient Temperature (Non-Hazardous Applications): -40 °C to 80 °C (-40 °F to 176 °F) | |
| ∙ LCD Screen -20 °C to 70 °C (-4 °F to 158 °F) | |
| ∙ Humidity: 0 to 99 %, Non-Condensing | |
| Warranty | ∙ 2-Year Parts and Labor |
| Country of Origin | ∙ USA |
| ORDERING INFORMATION | |
|---|---|
| Model Numbers | ∙ Direct Mount: WT-0900-LL4, WT-0915-LL4, WT-2400-LL4, WT-0868-LL4 |
| ∙ Multi-Vendor: WT-0900-LL5, WT-0915-LL5, WT-2400-LL5, WT-0868-LL5 | |
| Wirelessly Connects To | ∙ OTC Wireless Gateway |
| Configuration Cable | ∙ SX1000-CC2, 20-ft All-in-One Configuration Cable |
| Replacement Battery | ∙ Use OleumTech SX1000-BP3 Only |
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