DigiTemp Digital Thermometer R (Intrinsically Safe Version) Instruction Manual
DigiTemp Digital Thermometer - Intrinsically Safe Version Instruction Manual R Page 1 The Rototherm DigiTemp (Intrinsically Safe Version) is a battery-powered digital thermometer designed to suit a wide range of industrial applications in hazardous process areas where potentially explosive atmospheres may be present. The DigiTemp is housed in a robust stainless steel case, sealed to IP67 rating, which is suitable for hostile environments without additional protection.
DigiTemp Digital Thermometer - Intrinsically Safe Version Instruction Manual R Page 2 Variants The DigiTemp is available in several variants using either a thermocouple or a platinum RTD probe, and offering several temperature ranges. In addition, the instrument is available with display units of degrees Celsius or degrees Fahrenheit. Cleaning To remove the risk of discharges due to static electricity, cleaning should only be undertaken using a damp cloth.
DigiTemp Digital Thermometer - Intrinsically Safe Version Instruction Manual R Page 3 Dial securing screws Fuse Retaining plate Retaining plate nuts Battery pack Battery leads LOW BATTERY - + E Made in U.K. Circuit board assembly securing screws Bonding strap Sensor leads Figure 2 - Battery replacement (showing various stages) Calibration Each DigiTemp thermometer is fully calibrated during manufacture and certificates of calibration may be requested at time of ordering.
DigiTemp Digital Thermometer - Intrinsically Safe Version Instruction Manual R Page 4 ZERO SPAN SPAN ZERO Thermocouple Varients Platinum RTD Varients Figure 3 - Calibration trimmer positions 3. Fully immerse the stem in a bath containing a mixture of clean crushed ice and water. Allow time for the stem to settle at the ice bath temperature, stirring occasionally. Adjust the zero trimmer if necessary until a reading of 0.0°C (or 32.0°F) is obtained.
DigiTemp Digital Thermometer - Intrinsically Safe Version Instruction Manual R Page 5 Specifications BASEEFA Certificate Number: Ex. 91C2161 Intrinsic safety class: EEx ia IIC T4 Case: 100mm diameter 304 stainless steel case and bezel. Stems: Various, as requested to order (including 6.35mm, 12.7mm and flexible MI). Resolution: 0.1 or 1 degree, according to variant. Instrument accuracy: T/C: ±1°C ±1 digit typically, RTD: ±0.2°C ±1 digit. Sensor linearisation: T/C: none, RTD: hardware.
