Assembling instructions and user manual
Contents
1. voltages All applicable UL CCE VDE and local regulations must be considered Commercial use of the kit circuit designs software or any parts thereof requires express written permission Temp n Glow IN 16 Nixie Thermometer Documentation 2 Features Input voltage from 10 14 Volt DC Low current consumption is 150 mA Standard power adapter for worldwide use available very high efficiency by using modern switching power supply technology switchable floor lighting pcb illumination by LED light can be switched off easy to build no smd parts sophisticated software with user menu Cross fading selectable in 5 different levels or to be switched off Cathode poisoning prevention Up to 2 temperature sensors connectable minus sign tube minus sign tube can also be replaced by left decimal dot Error detection for faulty temperature sensor or faulty signal small compact circuit board Simple 2 button operation including mounting spacers alternating cycle between inside and outside temperature selectable All settings are stored in case of power failure no adjustment necessary measuring range from 55 C to 85 C 67 F to 99 F Display in C or F Long cables available for external sensor up to 10 m Pre assembled temperature sensor cable available from web shop 3 Functions Preliminary hint Temperature sensor 1 inside temperature Temperature sensor 2 outs2. Temp n Glow IN 16 Nixie Thermometer Documentation Temp n Glow the new secret among nixie enthusiasts is a Nixie tube thermometer for the slim beautiful IN 16 tubes Fast secure installation without any adjustment are the features of this kit as well as its modern look But the technology is state of the art too A smart menu system makes operation easy Adjustable change interval error detection and many other features are standard on Temp n Glow A highlight is the so called Cathode Poisoning Prevention This feature allows the digits to go through certain periods slot machine effect This will protect the cathode deposits and as a result of that your tubes live longer Enjoy your Temp n Glow Nixie tube thermometer This document is copyrighted No parts of this documentation may be used commercially Oo AN CO Fl F amp F W N e h P Pp SP PP SP paad I ou 8 WN PP O Temp n Glow IN 16 Nixie Thermometer Documentation Table of contents Safety and Legal W APIS escccscesesshessheiect catia a nents 3 PO QUE GS sscsccauscasnacuasacenenasatsuanstacaynamanianauancssnanssotausenaasneaasesanaenssvasatasaassbaunaiaananaamdstuentsaanixisuaiionmnians 4 F n cOn Sni a aa E deeseoniaatereianintmnenaeal 4 SeU O Saai A R 5 Display HDTS siis 6 Error 0 80 ere 10 sentir emir miter ni Pannen Mor erp mop erin nro nR Re ae re De eee meee vee eeanerere eee 6 Special Notes on the IN 16 tube ssssssnnnnnnunnunnu
3. cF gt AO PRD ane PW M4 pm 2 2 us PiVouUT Ceen fro 44 op FRONT Pinout IN 16 seen from top Step cut of wires Temp n Glow IN 16 Nixie Thermometer Documentation 8 Part List PartNo Pieces Description O O O O o C10 C16 Capacitor 100 nF Electrolytic Capacitor 4 74F U 250V Capacitor Capacitor 220uF 25V H1 H4 Screw M3x6mm H1 H4 Distance holder M3 15 mm IC1 2 74141 or similar DS18S20 Temperature sensor with cable 1 meter R10 R11 2 Resistor 180 Ohm Resistor 390 Ohm R30 R31 Pk Resistor 2 2k R32 R33 Pk Resistor 4 7k Resistor 8 2k R40 R43 PA Resistor 16k R42 resistor not needed if you do not use left decimal point in left tube R50 R51 Pk Resistor 68k Secure 1 1M 1 S2 Push button 3 5x8 35mm T1 T2 Transistor MPSA42 X1 X2 Connector for temperature sensors angled 2 54mm 3 pin Socket for power supply plug 5 5mm 2 5 mm You get a complete set of 2 IN 16 tubes with hole in spacer 2 LEDs and the Minus Glow Lamp from www nocrotec com i Temp n Glow IN 16 Nixie Thermometer Documentation 9 Soldering Attention If you have purchased the acrylic case for the thermometer please read that documentation first First solder all the flat components such as resistors and diodes Resistor R42 This is only used if no glow lamp GL1 but the left decimal point of the left tube is used as a negative indicator If you use the GL1 glow
4. e in the menu the following settings are Cross fading and CP Prevention are generally deactivated The decimal dot of the right tube flashes with an interval of 0 25 seconds The minus sign resp the left decimal dot of the left tube is turned off After selecting the menu item the Set button is used to change the values This value is indicated in the right tube Each press of the button Set increments the value by one step After having reached the highest value the value series will start again from the beginning Subsequently all settings are described 4 Settings 1 change interval The display shows 1x whereby the value of x is the range 1 9 in seconds Value x The temperature inside outside or only one of them is updated at a range of 1 9 seconds Factory setting 2 seconds 2 Cross Fading value The display shows 2x whereby the value x has the range from 0 5 The values of x have the following meanings 0 Cross Fading is off 1 very fast cross fading 2 Cross Fading fast 3 Cross fading fast factory setting 4 slow cross fading 5 very slow cross fading The cross fading affects all digits of the tubes the minus sign or the left decimal dot of the left tube and the right decimal dot of the right tube The Cross Fading is generally not active when scrolling through during the CP Protection or while you are in the menu and while an error is displayed by the left decimal do
5. e wires from the LED to the pins of the Nixie tubes Make sure that the pins of the tubes are cut short Figure 10 adhesive pads mounted to prevent under body lighting 13 Temp n Glow IN 16 Nixie Thermometer Documentation 14 Mounting the temperature sensors You can connect one or two sensors to your board The temperature sensor IC6 on the board should not be soldered because the temperature is higher in the immediate vicinity of the board than the room temperature and thus the temperature would be incorrect This component position is only for testing purposes Always connect the temperature sensors using shielded cable to the board for accurate readings With your kit you get a readymade cable 1 meter with a sensor and a plug connected The cable s are connected to the terminals X1 and or X2 You can also make a cable yourself Please do that according to a special documentation that is available for download from our website 15 Maximum length of sensor cables The thermometer is designed for a maximum cable length of 10 meters Please only use the cables from the shop Otherwise you might get disturbances in the capacity of the cable data transfer For short cables 1 meter you can use your own 2 pin fully shielded cable But we recommend the cable from our web shop 16 Connecting the thermometer to power All necessary settings can be made using the menu system The thermometer must be mounted in a housing so tha
6. ide temperature Left decimal dot of the left tube Has no function if the minus sign neon lamp and R42 are installed Shows a negative sign of the temperature if no minus neon lamp is installed but R42 is installed Right decimal dot of the left tube No function Left decimal dot of the right tube No function Right decimal dot of the right tube It shows whether the inside or the outside temperature is displayed It lights up when the outside temperature is displayed Itis not lit when the indoor temperature is displayed Display The two tubes permanently show the temperature in C or F depending on which unit in the menu is set The display is two digits no display of 1 2 a degree At negative temperature the minus sign neon lamp or left of the decimal dot of left tube is on Temp n Glow IN 16 Nixie Thermometer Documentation The inside and outside temperatures or vice versa are shown in the interval that is set in the menu change interval Menu Settings Menu button in the user menu is as follows circle menu Temperature Display gt gt Change interval gt gt cross fading value gt gt number of probes gt gt unit gt gt CP Prevention After CP Prevention is shown the menu goes back to Temperature display if you press the Menu button again The menu is shown by the left tube as follows 1 change interval 2 Cross Fading value 3 number of probes 4 Unit 5 CP Prevention While you ar
7. ign the tubes rectangular You should first solder only two wires and check the angle Now solder the rest of the wires and cut he rest not too close to the pcb Figure 7 tubes and glow lamp mounted 12 Solder the Leds Before you solder the Leds you have to bend the according to the following sketch Rohrenboden Tube bottom 12 Temp n Glow IN 16 Nixie Thermometer Documentation Figure 8 LED bent Solder the Led s so that the anode goes in the hole A and the cathode in the hole K The anode is the longer wire of the LED The diode must look through the hole in the board It has to be placed entirely on the tube floor so that the blue light can be clearly seen If the distance is too long the blue lights cannot be seen well Please be careful that the wires of the LED do not touch the tube contacts Figure 9 LED soldered 13 Switching off the underside LED illumination The Leds illuminate the underside of the board creating a beautiful effect in a n acrylic enclosure at night If you do not want the effect you can easily switch that off With the kit you have received 2 adhesive pads They can seal the lights towards the bottom and thus is blocking the light downwards To turn off the under body lighting you knead the adhesive pads for half a minute in your fingers and then form them into a ball Press the balls carefully to the LED as shown in the Figure below Be careful not to press th
8. lamp Cut fuse holder tab Cut the fuse holder contacts Stretch silver wire diameter 1mm Solder wire from the rear Bend the wires Pull 2 pieces of shrinking tube 21 mm over the glow lamp wires and shrink Pull a piece of shrinking tube 18 mm over the wire of the holder and shrink Blacken the front tabs of the holder with a black permanent marker to prevent a mirror effect Solder holder into the board distance is set by shrinking tube Building the glow lamp holder 10 Temp n Glow IN 16 Nixie Thermometer Documentation 11 Solder the tubes Next the tubes are soldered The tube is now getting a step cut so the wires can be put into the holes on the pcb more easily To be sure that the tube is soldered correctly into the board it is important to know where the anode is Figure 4 The step cut The anode is marked white and you find it at the back of the tube You can see this easily in the picture below fied 1 Ma C me Pwout CUL cen frem ton FRONT Figure 5 Anode marked white tube layout IN 16 The longest wire after the step cut should be the anode wire See where this wire goes Figure 6 Anode marked on the pcb 11 Temp n Glow IN 16 Nixie Thermometer Documentation So start with this wire and put the rest of them into the other holes on the board Do not cross any wires All holes hold wires after the tube has been mounted No hole is free Al
9. lamp R42 is not mounted Then solder the ICs IC3 is socketed so solder the socket here first When soldering the ICs please watch out for the marking that you find on the IC and on the pcb Then L1 the capacitors the resonator CR1 and the coil are soldered in The resonator has no polarity d gt core Sensar K giedi mp an behar side Ep _ _6 5 3 5 i oe oe coe coje E LETAN i G gt lt ites Nixie Isf Temp n Glavs zy poa a Figure 2 jumper pins capacitors mounted Now solder the transistors T1 T2 T3 and IC5 T3 and IC5 have a heat sink The components are installed horizontally and are secured with M3 x 6 screws and M3 nuts onto the board This is to cool the components Then the connections for the temperature sensors the push buttons and the power supply connector are soldered When you solder the power supply connector make sure that it is flush to the back of the pcb This is important if you consider to use our acrylic housing Temp n Glow IN 16 Nixie Thermometer Documentation m wn m ai w el Aid y UL e bea ana ao z J qodl mbadi other af din SA mS a amp h f M a Figure 3 pcb nearly ready Now turn the circuit board and solder the holder for the glow lamp if you wish You can mount the neon glow lamp without the holder The wires of the neon glow lamp should be isolated with shrinking tube to prevent a short circuit 10 Mounting of the Neon glow
10. nnnnnnnnnnnnnnnnnnnnnnnnunnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnne 6 Part EIS aieeaa nied acne ai dasia sala ace hindasdesibaldaitanuicastancua Ea 8 Solder a ene eS eS eS cr eee eee eee enero eee ee ene eres 9 Mounting of the Neon glow lamp ssscsssssssnessecseeeneeeseesseesseeseesseessneseeesesseessneneeesessnenaes 10 Solderthe CON CS iseia AO EEE aa 11 SOUT CIN LEOS cnp eae cna aca ace cates wseeck sac ane ean acene ccenenense cai eeceshecencetseeies 12 Switching off the underside LED illumination ss sussusunsuneunnunnunnunnununnunnunnunnnnnnnnnnnnnnn 13 Mounting the temperature SCMSOSS sssscssessecseesseessesseeseesseseeeneeesesseessnenseeseneneeesaeeas 14 Maximum length of sensor Cables qu cccssscssecseesseesseesseeseeeseesseesenesseeneessesseesseeseessneesaneas 14 Connecting the thermometer tO pOWerT ssssssussnsunsunnununnunnunnunnnnunnunnunnunnunnnnnnnnnnnnnnnnnn nnmnnn 14 SPECIHCATIONS iian N a ntect andes 15 Temp n Glow IN 16 Nixie Thermometer Documentation 1 Safety and Legal Warnings DANGER This circuit design includes a switching mode voltage converter which generates 170 VDC Therefore assembly should be attempted only by competent qualified personnel experienced in electronics assembly and high voltage safety Safe assembly and operation of this kit is completely the reader s responsibility Read instructions All the safety and operating instructions should be read carefully and completely before the thermometer is o
11. perated Heed warnings All warnings on the appliance and in the operating instructions should be adhered to Retain Instructions The safety and operating instructions should be retained for future reference e If one of the tubes is broken or damaged immediately pull the power plug out of the thermometer and contact the customer support e The tubes are made of glass and are consequently very easy to break Because of their fragility it is important that you keep the thermometer in a safe place free from the possibility of being struck inadvertently e No part of the thermometer may be swallowed or inserted into body openings e The power supply may not be swallowed or inserted into body openings e No part of the thermometer or the power supply may be used for other purpose other than described in this user manual e Water and moisture The thermometer should be kept in a dry room free from humidity and dust The thermometer should not be used near water for example near a bath tub washbowI kitchen sink laundry tub in a wet basement near a swimming pool in a sauna etc In addition the thermometer should be kept out of direct sunlight and high temperatures e Object and liquid entry Care should be taken so that the thermometer does not fall into liquids or have them spilled over the thermometer e Do not use this appliance for anything other than the intended use as described in the manual e Immediately pull the power plug out of
12. t 3 Number of sensors The display shows 3x whereby the value x has the range from 1 2 The values of x have the following meanings 1 one temperature sensor is connected to socket 1 or soldered on the pcb 2 one temperature sensor is connected to a socket or soldered on the pcb and a second temperature sensor is also connected to socket 2 or soldered on the pcb the usual way for outdoor temperature measurement factory setting Temp n Glow IN 16 Nixie Thermometer Documentation 4 Units The display shows 4x whereby the value x has the range from 1 2 The values of x have the following meanings 1 The tubes show the temperature in the unit C factory setting 2 The tubes show the temperature in the unit F 5 CP Prevention The display shows 5x whereby the value x has the range from 0 1 The values of x have the following meanings 0 Prevention is off 1 CP Prevention is on factory setting If CP prevention is switched on the Cathode Poisoning Prevention is executed every 5 minutes This is done as follows The minus sign or the left decimal dot of the left tube and the right decimal dot of the right tube is switched on The digits 0 9 are scrolled through both tubes Duration of the scroll operation 4 seconds After having done that the display will show the temperatures again 5 Display limits If the theoretical temperature is below 99 or over 99 C or F the display still sho
13. t the PCB and the components are protected against contact Install the 4 spacers as feet Please check all solder joints closely Plug in the power supply and do not touch anything on the board 170 volts DC The initialization should start now and the temperature s should appear During power up the circuit needs about 2 seconds to initialize During this time the display shows an indefinite number of values Then the correct temperature is displayed If not refer to the error description chapter 3 of this documentation The thermometer must be mounted in a housing so that the PCB and the components are protected against contact 14 Temp n Glow IN 16 Nixie Thermometer Documentation 17 Specifications Minimum input voltage 10 V Nominal input voltage 12 V Maximum input voltage 14 V Maximum input current at 12 V 150 mA Maximum input power at 12V 1 8 W Measuring range 55 C to 99 C Range 67 F to 99 F Tolerance 0 5 C in the range of 10 C to 85 C Overall width module 97 mm Total depth Module 67 mm Total height module 65 mm aed S 6 3 48 26 20 all rights reserved www nixiekitworld com April 2012 15
14. the thermometer and contact the customer support if the appliance does not appear to operate normally or exhibits a marked change in performance In this case do not run the thermometer again e This thermometer is not a toy Keep this thermometer out of the reach of children e Pay attention that this thermometer shall only be touched by people who have completely read and understood the user manual IMPORTANT Please follow the assembly steps with extreme care Please operate the thermometer only in an enclosed housing which prevents contact with the dangerous voltages present on both printed circuit boards PCB DISCLAIMER The information in this document is provided strictly as is It is hereby stated that this kit is to be assembled only by experienced electronics engineers No troubleshooting information is provided Readers should not attempt to build this kit and or design unless they are competent at electronics assembly and understand the dangers of mains voltages Further www nixieclocks de takes no responsibility for any possible personal or property damage No responsibility is accepted for any damage injury however serious or death In no event shall www nixieclocks de be held liable to you or any third parties for any special punitive incidental indirect consequential or any other damages resulting from the assembly or use of this kit and or design The assembled unit should be properly encased to prevent contact with high
15. ws 99 to 99 6 Error indication If one of the sensor is not connected or produces a bad signal then 99 is displayed and the minus sign or the left decimal point blinks left in the rhythm of 0 25 seconds no cross fading The right decimal point of the right tube remains unchanged in its function 7 Special Notes on the IN 16 tubes There are several variants of the IN 16 tubes One has a hole with 4 mm in the spacer the other has not Here you can see this difference without hole If you fit any under body lighting tubes this difference is not important to you However if you install an under body lighting you have to refer to the following If you use the version with a hole in the spacer there is no need to change anything because the LED exactly fits into this hole But if you use the version without the hole then you have to drill a hole of 4 5 mm into the middle of the spacer To do so slide away the spacer from the tube and drill the hole Note From Nocrotec you get matched tube sets WITH hole in spacer for the LEDs HERE Temp n Glow IN 16 Nixie Thermometer Documentation A little hint to mount the tubes After you have drilled you need to connect the tube wires through the holes in the spacer This can easily be done by a spiral staircase cut of the wires Then the threading into the spacer and the board will be much easier ka Pw Ky Py D waz WAZ vy oo x3 PINA PINS L PIN
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