Warm-up / temperature regulators - »Made in Germany« quality with 2 years of warranty.The temperature-regulator QDR-2 offers the following advantages:Electronic temperatur regulator with easy handling. Technology: Analog electronic.Attention: The series » QDR-2 « is out of production - it may be possible to produce singel regulators - repairs are possible without problems Replacement for the types QDR-2 are the types R-1100 and R-1120.
General technical details QDR-2: Typ of equipment: Two point (heating - off) or three point (heating - off - cooling) or steady regulator Input thermocouple: Fühlerbruchsicherung and internal Vergleichsstelle sind eingebaut. Ein Verpolungsschutz ist vorhanden. Up to 50 Ohm resistance of cable, ist kein Abgleich nötig. Eichgenauigkeit: Ca. 0,25 % Input Pt 100 (DIN): 2- or 3- Leiterschaltung anschliessbar. Fühlerbruch- and Kurzschlussüberwachung sind vorhanden. Max. possible resistance of cable: for 3- cable wiring: 50 Ohm. Fühlerstrom: Ca. 0,5 mA. Eichgenauigkeit: Ca. 0,25 % Input Einheitssignal: 0-20 mA, 4-20 mA, internal resistance 499 Ohm 0-10 Volt dc, internat resistance ca. 100 kOhm Eichgenauigkeit: Ca. 0,2 %; Linearitätsfehler: Ca. 0,2 % setpoint changing: The setpoint is frontseitig mittels präzisem Potentiometer mit Feststeller auf einer in °C geeichten Skala einstellbar. Bediensperre: mechanically Scales:0-100°C; 0-300°C; 0-450°C; 0-600°C; 0-1200°C Adjustment characteristics: PD/I Feedback: Xp 5% adjustable (rear side for adjustion of feedback); faster feedback are possible, up to 40 times faster. Output: -OUT 1: Relais, (change-over contact or closing contact) max. 250V AC 5A. cos-phi = 1 Or tension, bistabil; ca. 16V DC max. 20 mA short circuit proof. Or steady, The type of output (current or tension) is choosen automatically by the value of the working resistance. Alarm output: -OUT 2: Relais, adjustable (change-over contact or closing contact) max. 250V AC 5A. cos-phi = 1 Only for Two-point regluator: (Heating or cooling) 7-Segment-display: actual value: 10 mm, red, 3 ½ Digit CE-conformity: EMV gem. 89 / 336 / EWG; EN 50081-2; EN 50082-2 Power supply: Standard: 230V AC; (intern changeable to 115V ac) +/- 10% 48-62 Hz. Electric connections: Steck-Klemmleisten; degree of protecion: IP 20 (DIN 40050); Isolation group C Zulässiger Anwendungsbereich: working temperature: 0-50°C / 32-122°F Case for panel-mounting: Dimensions: 96 x 96 mm (DIN43700); deep: 82 mm. panel cutaway dimensions: 92 +0,5 mm x 92+0,5 mm. Case material: Noryl, self-extinguishing, not drippy UL 94-V1 water proof: IP 20 (DIN 40050); IP 50 front side. weight: Ca. 350 gr.
marking / indicating colours of different thermocouples |