Usage:Industrial Theory:Temperature Transmitter Accuracy:0.1 percent Temperature range:-50 to 125 C Usage:gsm sms temperature monitor data logger Temperature inputs:4 DS18B20 inputs (temperature range -55 C - +125 C ) Digital Input:4 digital inputs(Dry contact) Output:4 drivable relay outputs(open-collector outputs) Analog Input:4 analog inputs(4-20mA or 0 to 5V) Working temperature:-40C to +70C Exterior dimension:130X180X25mm Weight:370 g Quality:Warranty Color:Black Show More