WRT-10, WRT-30, WRT-40 -76˚ to +176˚F ( -60˚ to +80˚C ) WRT-20 -40˚ to +140˚F ( -40˚ to +60˚C ) • Water proof connections & stainless steel fittings for longer life • Compact durable enclosure, mounting plate on WRT-40 only • Modular parts for easy service • Hearing aid compatible • Electronic ringer for reliability • Yellow enclosure for high visibility. Optional grey enclosure and other custom color options available • Weather, dust & corrosion resistant • Tone or pulse dialing for universal configuration • Easily connected to any single line analog CO or PABX telephone line • Steel powder coated faceplate to eliminate corrosion • Front access plate for ease of hook-up APPLICATIONS These telephones are designed to provide reliable communications in environments subject to moisture, dust and corrosive chemicals such as: • Transit Authorities • Swimming Pools • Ships • Amusement Parks • Parking Garages • Mines • Cement Plants • Plant Entry Gates • Airports • Universities • Pulp & Paper Mills • Docksides • Sewage Plants • Construction Sites • Warehouses • Greenhouses • Food Processing Facilities and more ... INSTALLATION and CONNECTABILITY To provide flexibility and potential for growth, Guardian telephones are easily and economically connected to any telephone network by standard wiring and components. Voice quality is unaffected when phones are connected within 15,000 feet (~ 4,600 meters) of a main telephone switch accepting single line telephones. Maintaining safety standards may require use of wiring conduits or other considerations. Guardian’s WRT Series Telephones are weather resistant and deliver reliable communications under adverse conditions. Specially designed to provide reliable service in outdoor environments, WRT Series Telephones resist moisture, dust and corrosive chemicals. Volume Control Handset WRT-10 WRT-40 WRT-20 WRT-30   LATTY  flon 拉迪芳伦10mm 盘根 4758  LORD洛德减震垫片AM003-11 艾美特克的氧化锆锆头75158se 德国黑马HIMA控制器F8650X   HIMA控制器F8650X   LATTY  flon 10mm 盘根 4758  EVAC蹲式马桶喷射泵 EVAC依瓦克排污阀  EVAC蹲式马桶排污阀    CLIMAX 注脂泵 40-90MT   HIMA黑马通讯模块 F8627X   达极26-P150-3硫化海绵橡胶制胶球 清洗胶球/26-P 150-3 100个/包 达极   OFITE除泡剂151-17 美国阿密龙Akron手控水炮3443 达极26-P150-3硫化海绵橡胶制胶球   SPM 柱塞泵铜环 4P102107   德国SKYLOTEC 全身式安全带G-0904   模拟量输入卡件F6217 Evac蹲式马桶真空喷射器 阿密龙高压消防水炮型号3528 ­SKYLOTEC防坠器安全绳L SKYLOTEC安全带G-0030-H 德国SKYLOTEC安全带G-0030-H DNH 扬声器  DST-100/DH-50 evac便池液位传感器  EVAC便池压力开关 AMETEK显示板 42373JE