Place of Origin: Britain Brand Name: CITY Model Number: 7HH AC702-400 Features: Temperature range: -40C-- +50C Pressure range: 10% atmospheric T90 Reaction time: ?30 seconds Relative humidity range: 15 -- 90% RH(non-condensing) Typical baseline range (in pure air): -0.2 to +0.4 PPM Maximum zero offset (+20C to +40C): 0.1ppm Long term output drift: LT; 2% per month Recommended load resistance: 10 ? Offset voltage: No need Repeat linearity: 1% Output linearity: straightness Shell color: dark blue Weight: 12 grams Position sensing: None Specifications: Colour of Top Dark Blue Weight 12g Position Sensitivity None Storage Life Six months in CTL container Recommended 0-20C Warranty Period 24 months from date of despatch