Level and temperature switch with display NT 61D § Highly visible LED display indicates the switching outputs, able to rotate 270° § Up to 4 programmable temperature switching outputs § Continuous temperature signal (adjustable current or voltage) plus one programmable output § Switching output adjustable as window or hysteresis § Two switching outputs adjustable as frequency output (1 to 100 Hz) § Menu structure based on the VDMA guidelines § Min/Max memory, logbook function Level and temperature switch NT 61 § Flange according to DIN 24557 / Part 2 § Various connector options § Up to 4 level outputs or 2 switching level outputs plus RTD or analog output for temperature § Reliable dynamic float system § Stainless steel option for temperatures up to 150 °C § Probe length up to 1.5 m (longer on request) § Voltage up to 230 V applicable Bühler Technologies GmbH D - 40880 Ratingen, Harkortstr. 29 Tel.: + 49 (0) 2102 / 49 89-0 Fax: + 49 (0) 2102 / 49 89-20 Internet: www.buehler-technologies.com e-mail: [email protected]

VA SS 1.4571 (SK 221) SS 1.4571 PA stainless steel W11 change over 48 V 0,5 A 20 VA 40 mm first contact *NO= normally open / NC = normally closed at empty reservoir Included in delivery mounting bolts M5 (6 pieces) and GI cork-gasket Function switching point °C switching point tolerance max. hysteresis NC = open / NO = closed at increasing temperature Other temperatures and designs with 2x TK contacts on request Temperature sensor tolerance Temperature transmitter probe element measuring range operating voltage (UB ) output load W max. last contact Function switching point °C switching point...

Product code for Nivotemp NT 61-... NT 61- - - - - - A B - C Series Nivotemp NT 61 Design MS brass VA float and immersion tube stainless steel only for double temp. contact C T2 (2nd Temperature contact) NC NO TM50NC TM50NO =50 °C TM60NC TM60NO =60 °C TM70NC TM70NO =70 °C TM80NC TM80NO =80 °C Length (max. 1500 mm) 280 370 500 Variable (please specify length ) Temperature * O Pt 100 = Temperature sensor (RTD) KT = Temperature transmitter TK = Temperature contact N TK50NC = 50 °C NC TK60NC = 60 °C NC TK70NC = 70 °C NC TK80NC = 80 °C NC A Level contact K = NC/NO W = change over *cannot be combined...

Level contacts max. # function max. voltage max. current max. contact load min. distance of contact current consumption at power up operating current consumption supply voltage (UB ) ambient temperature Temperature sensor *NO= normally open / NC = normally closed at empty reservoir -20 °C to +120 °C 0 °C to 100 °C 1% 0.5 °C IP65 4 digit 7 segment LED display 3 button keypad approx. 100 mA for 100 ms approx. 50 mA 10 - 30 V DC (nominal voltage 24 V DC) -20 °C to 70 °C RTD (Pt 100) class B, DIN EN 60751 Display Temperature display range alarm range accuracy resolution protection class display operation...

Product code for Nivotemp NT 61D-... NT 61D- O -2T LED Temperature display 2 x Temperature output Design MS brass VA float and immersion tube stainless steel -4T LED Temperature display 4 x Temperature output -1T-KT LED Temperature display 1 x Temperature output 1 x Analogue output Length (max. 1500 mm) 280 370 500 Variable (please specify length) Switch function 2nd contact NO = normally open L NC = normally closed Position L2=...mm 2nd level contact Switch function 1st contact NO = normally open NC = normally closed Position L1=...mm 1st level contact Description Connecting cable M12x1, 1,5...

max. voltage max. current max. contact load min. distance of contact max. operating temperature *NO= normally open / NC = normally closed at empty reservoir 4 8 with stilling pipe of VA first contact last contact Included in delivery mounting bolts M5 (6 pieces) and GI cork-gasket TK 1 230 V 2.5 A 100 VA Function switching point in °C switching point tolerance max. hysteresis Function switching point in °C switching point tolerance max. hysteresis clearance min. Ø60 min. Ø61 with stilling pipe Temperature contact # of temp. contacts max. voltage max. current max. contact load NO= normally open...

Product code for Nivotemp NT 61-... NT 61-HT- Series Nivotemp Only for double temp. contact C T2 (2nd Temperature contact) NC NO TM50NC TM50NO =50 °C TM60NC TM60NO =60 °C TM70NC TM70NO =70 °C TM80NC TM80NO =80 °C Design -HT stainless steel Connector M3 S6 M12 2M12 C6F Length (max. 1500mm) 280 370 500 Variable (please specify length) Temperature * Pt 100 = Temperature sensor (RTD) KT = Temperature transmitter N TK = Temperature contact TK50NC = 50 °C NC TK60NC = 60 °C NC A TK70NC = 70 °C NC TK80NC = 80 °C NC # level contacts 1-4 Level contact K = NO/NC K-HT = NO/NC W = change over W-HT = change...

only level contact(s) only level contact(s) level contact(s) level contact(s) level contact(s) level contact(s) level contact(s) level contact TK/TM = Thermo contact KT = Temperature transmitter PT = Temperature sensor Pt 100 (RTD) other assignment on request we reserve the right to amend specifications

Display unit Display unit Type NT 61D-4T level contact(s) 4 x Temperature output Type NT 61D-1T-KT level contact(s) 1 x Temperature output 1 x Analogue output Display unit Type NT 61D-2T level contact(s) 2 x Temperature output Note: If the switching output is measured with high-impedance measuring equipment or if the frequency output is used, connect a 10 kW resistor between output and ground to avoid faulty measurements. we reserve the right to amend specifications