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7401AS
LCD Counter, Add/Subtract, Non Reset, 8 Digit, 8 mm H, 2.6 to 3.6 VDC, -10 to 60 °C
⚠️ Reference pricing provided. In case of supply shortages, we will connect you with our trusted procurement partners to ensure your project's continuity.
- Manufacturer: TRUMETER
- Product type:
- SVHC: No SVHC (04-Feb-2026)
- Digit Height: 8mm
- Product Range: 7400 Series
- Panel Cutout Width: -
- Supply Voltage Max: 3.4VDC
- Supply Voltage Min: 2.6VDC
- Panel Cutout Height: -
- No. of Digits / Alpha: 8
- Operating Temperature Max: 60°C
- Operating Temperature Min: -10°C
| Delivery and price | |
|---|---|
| Units per pack | 20 |
| Price | 25.88 € |
| Current stock | 10+ |
| Lead time | 30 days |
**7400** p **7401** ~~e~~ e sa58008 ## **7400AS 7401AS ®** _**8 digit Low Power Bi-directional Totalising Counters**_ English Page 2 _**8-Stelliger Bi-Direktionaler Summenzähler mit niedrigem Stomverbrauch**_ Deutsch Seite 3 Français Page 4 Español Página 5 Italiano Pagina 6 Page 7,8 Seite 7,8 Pagina 7,8 _**Compteur Totalisateur Bidirectionnel à 8 Chiffres, Faible Consommation**_ _**Contador Totalizador Bidireccional, de 8 dígitos de bajo consumo**_ _**Contatore Totalizzatore ad 8 Cifre Bidirezionale, a basso consumo**_ **Higher Voltage Power Supply, Anschluß an Versorgungsspannung >3.4V, Tension d’alimentation DC plus élevée, Alimentación con tensiones superiores a los 3.4V CC, Alimentazione in corrente continua a più alta tensione Dimensions, Abmessungen, Dimensiones, Dimensioni** 017532-01 Issue 4.1 05/16 **Specification** ## **Supply** 2.6 - 3.4VDC **Current consumption** <10µA, 5µA typical. ## **Reset Button** The 7400 has a Reset Button. The 7401 is non-resettable. ## **Display** 8 digit black LCD, 8mm characters **Count Range** 99999999 - rollover to 0 ## **Count Range** ## **Operating temperature** -10°C to +60°C ## **Storage temperature** -20°C to +60°C ## **Altitude** Up to 2000m ## **Relative Humidity** 80% max up to 31°C, decreasing to 50% max at 40°C ## **Note:** This product is ideally suited to battery powered applications. Should the product be used in a circuit where an external power source is used, then the complete system will require separate approval to meet the CE standards. **==> picture [277 x 257] intentionally omitted <==** **----- Start of picture text -----**<br> Connections<br>This product can be powered from a higher<br>voltage DC supply using the external voltagecontrol circuit shown on page 7. R – 2 1 D +<br><= +18V 2.6 - 3.4V<br>+ +<br>2<br>1 internal<br>resistor<br>– –<br>High Speed Count Low Speed Count<br>(TTL/CMOS) <=5KHz <=18V (Contact Closure/ <=20Hz < = 18V<br>Open Collector) =>25mS<br>0.7V 0.7V<br>=>100µS<br>+ +<br>D R<br>internal<br>internal<br>resistor<br>resistor<br>–<br>–<br>Direction up <=18V External Reset <=18V<br>(TTL/CMOS) 0.7V (Contact Closure/ =>15mS 0.7V<br>down Open Collector)<br>2<br>**----- End of picture text -----**<br> ## **Spezifikation** ## **Zählbereich** ## **Versorgung Zählbereich** 2.6 - 3.4VDC 99999999 - Überlauf 0 **Stromaufnahme Betriebstemperatur** <10µA, 5µA typisch. -10°C bis +60°C **Rückstelltaste Lagerungstemperatur** Das Modell 7400 hat eine Rückstelltaste -20°C bis +60°C Das Modell 7401 hat keine. **Höhe** **Anzeige** Bis zu 2.000 m 8 stelliges schwarzes LCD **Relative Feuchte** Zeichenhöhe 8 mm Max. 80% bis zu 31°C, Abnahme auf 50% bei max. 40°C ## **Hinweis:** Dieses Produkt eignet sich optimal für Anwendungen mit Batteriebetrieb. Wenn das Produkt innerhalb einer Schaltung mit externer Spannungsquelle (Netzbetrieb) eingesetzt wird, ist für das vollständige System die Einhaltung der Niederspannungsrichtlinie, sowie der CE-Normen erforderlich. **==> picture [278 x 251] intentionally omitted <==** **----- Start of picture text -----**<br> Anschlüsse<br>Dieses Produkt kann mit einer höheren externen<br>Gleichspannung betrieben werden, bitte beachten Sie R – 2 1 D +<br>dabei die Hinweise auf Seite 7.<br><= +18V 2.6 - 3.4V<br>+ +<br>2<br>1<br>Interne<br>Widerstände<br>– –<br>Elektronischer Zähleingang Langsame Zähleingang<br>(TTL/CMOS) <=5KHz <=18V Open Collector)(Schließkontakt / <=20Hz < = 18V<br>0.7V =>25mS 0.7V<br>=>100µS<br>+ +<br>D R<br>Interne<br>Widerstände Interne<br>Widerstände<br>–<br>–<br>Zählrichtung(TTL/CMOS) vor <=18V Externe Rücksetzung =>15mS <=18V<br>0.7V (Schließkontakt / 0.7V<br>zurück Open Collector) 3<br>**----- End of picture text -----**<br> **Caractéristiques** **Alimentation Plage de comptage** 2.6 - 3.4VCC de 0 à 999999 - décroissant jusqu’à 0 **Consommation de courant Température de fonctionnement** <10µA, 5µA moyenne. de -10°C à +60°C **Poussoir de RAZ Température de stockage** Le 7400 a un poussoir de RAZ de -20°C à +60°C Le 7401 n'en a pas. **Altitude Affichage** Jusqu'à 2000m à cristaux liquides noirs 8 chiffres, **Humidité relative** caractères 8 mm 80% max jusqu'à 31°C ; 50% max à 40°C ## **Remarque:** Ce produit est idéal pour les applications alimentées par batteries. Dans le cas où ce produit serait susceptible d'être inclus dans un circuit utilisant une source d'alimentation externe, l'intégralité du système devra alors recevoir l'agrément des normes CE. **==> picture [277 x 256] intentionally omitted <==** **----- Start of picture text -----**<br> Raccordements<br>La tension d'alimentation de ce produit peut être<br>augmentée à l'aide du circuit externe décrit à la<br>page 7. R – 2 1 D +<br><= +18V 2.6 - 3.4V<br>+ +<br>2<br>1<br>Résistance<br>interne<br>– –<br>Entrée Comptage haute vitesse Entrée Comptage basse vitesse<br>(TTL/CMOS) <=5KHz <=18V (Contact sec / <=20Hz < = 18V<br>Collecteur ouvert) =>25mS<br>0.7V 0.7V<br>=>100µS<br>+ +<br>D R<br>Résistance<br>interne Résistance<br>interne<br>–<br>–<br>Sens Comptage le haut <=18V RAZ Externe <=18V<br>(TTL/CMOS) 0.7V (Contact sec / =>15mS 0.7V<br>le bas Collecteur ouvert)<br>4<br>**----- End of picture text -----**<br> **Especificaciones** **Alimentación Rango de conteo** 2.6 - 3.4VCC 0 - 99999999 (vuelve a 0) **Consumo de corriente Temperatura de operación** < 10µA, típico 5µA -10°C a +60°C **Pulsador de Reset Temperatura de almacenaje** El 7400 tiene un pulsador de Reset -20°C a +60°C El 7401 no lo tiene. **Altitud Pantalla** Hasta 2000m LCD de 8 dígitos negros, caracteres de **Humedad Relativa** 8mm de altura 80% máx. hasta 31°C, disminuyendo al 50% máx. a 40°C ## **Nota:** Este producto es ideal para aplicaciones con alimentación de batería. En el caso que el producto sea utilizado en un circuito alimentado por una fuente de alimentación externa, entonces el sistema completo requerirá una aprobación separada para cumplir con las normas CE. **==> picture [278 x 253] intentionally omitted <==** **----- Start of picture text -----**<br> Conexiones<br>Este producto puede alimentarse con tensiones<br>superiores a los 3.4V CC a través del circuitoexterno mostrado en la página 7. R – 2 1 D +<br><= +18V 2.6 - 3.4V<br>+ +<br>2<br>1 Resistencia<br>interna<br>– –<br>Conteo de alta velocidad Conteo de baja velocidad<br>(TTL/CMOS) <=5KHz <=18V (Cierre por <=20Hz < = 18V<br>contacto / =>25mS<br>0.7V colector abierto) 0.7V<br>=>100µS<br>+ +<br>D R<br>Resistencia<br>interna Resistencia<br>interna<br>–<br>–<br>Dirección arrib a <=18V Reset externo <=18V<br>(TTL/CMOS) =>15mS<br>0.7V (Cierre por contacto / 0.7V<br>abajo colector abierto) 5<br>**----- End of picture text -----**<br> **Specifiche** ## **Alimentazione** 2.6 - 3.4VCC ## **Gamme di conteggio** 99999999 – ritorno a 0 **Corrente assorbita Temperatura di funzionamento** <10µA, di norma 5µA da -10°C a +60°C **Pulsador de Reset Temperatura di immagazzinamento** Il 7400 ha un pulsador de reset. da -20°C a +60°C Il 7401 no. **Altitudine Display** Fino a 2000m a cristalli liquidi nero a 8 cifre, caratteri **Umidità Relativa** da 8mm Max 80% fino a 31°C, a scendere fino al 50% max. a 40°C ## **Nota:** Questo prodotto è ideale per applicazioni alimentate a batteria. Se il prodotto dovesse essere utilizzato in un circuito collegato ad una fonte di alimentazione esterna, il sistema completo richiederà una omologazione separata a norma CE. ## **Collegamenti** **==> picture [277 x 257] intentionally omitted <==** **----- Start of picture text -----**<br> Questo prodotto può essere alimentato con una<br>corrente continua a più alta tensione attraverso<br>il circuito di controllo tensione esterno illustrato R – 2 1 D +<br>a pag. 7.<br><= +18V 2.6 - 3.4V<br>+ +<br>2<br>1 Resistore<br>interno<br>– –<br>Conteggio alta velocità Conteggio bassa velocità<br>(TTL/CMOS) <=5KHz <=18V (Collettore <=20Hz < = 18V<br>chiusura / =>25mS<br>=>100µS 0.7V Apertura contatto) 0.7V<br>+ +<br>D R<br>Resistore<br>Resistore<br>interno<br>interno<br>–<br>–<br>Direzione l'alto <=18V Reset esterno <=18V<br>(TTL/CMOS) 0.7V (Collettore chiusura / =>15mS 0.7V<br>il basso Apertura contatto)<br>6<br>**----- End of picture text -----**<br> **Higher Voltage Power Supply, Anschluß an Versorgungsspannung >3.4V, Tension d’alimentation DC plus élevée,** **Circuito auxiliar para tensiones de alimentación mayores a 3.4V CC, Alimentazione in corrente continua a più alta tensione** |> +3.4V<br>0V|||||3.1V<br>–<br>+|3.1V<br>–<br>+|3.1V<br>–<br>+| |---|---|---|---|---|---|---|---| ||5V dc|680<br>Ω|||||| ||12Vdc|3K3<br>Ω|||||| ||24Vdc|6K8<br>Ω|||||| ||48Vdv|15K<br>Ω|||||| ||||||||| ## **Please note:** Signal cables connected to this device must not exceed 30 metres in length. It will be necessary to install additional surge protection devices if signal cables are installed and routed outside the building. ## **Bitte beachten Sie folgendes:** Die Signalleitungen, die an dieses Gerät angeschlossen werden, dürfen eine Gesamtlänge von 30m nicht überschreiten. Werden Signalleitungen außerhalb von Gebäuden verlegt, müssen zusätzliche Schutzmaßnahmen gegen Surge Störimpulse vorgesehen werden. ## **Veuillez noter :** La longueur de tout câble mesure (signal) raccordé à cet appareil ne doit pas excéder 30 mètres. Si les câbles « mesure » passent à l'extérieur du bâtiment, il est nécessaire d'installer des dispositifs additionnels de protections de surtensions. ## **Preghiamo Notare:** Ogni cavo di segnale collegato a questo dispusitivo non puo essere piu lungo di 30 metri Se i cavi di segnale sono installati su un percorso esterno all'edificio, è necessario installare dispositivi di protezione di rete addizionali. ## **Nota:** Cualquier cable de señal conectado a esta unidad no debe de exceder de 30 metros. Si se instalan cables de señal que sean llevados fuera del edificio, sera necesario instalar unidadesadicionales de protección de onda. **7** **Dimensions, Abmessungen, Dimensiones, Dimensioni** **==> picture [199 x 160] intentionally omitted <==** **----- Start of picture text -----**<br> 2.5mm 3mm<br>(0.1") 13.5mm (0.12")<br>47mm (1.85") (0.53")<br>21mm(0.83") !<br><=4mm<br>(0.16")<br>3mm<br>2mm (.08") Ø (0.12")<br>7.62mm<br>(0.3")<br>7.62mm<br>10.5mm(0.41") (0.3")<br>2.54mm 1 7.78mm<br>(0.1") (0.7")<br>35.56mm (1.4")<br>**----- End of picture text -----**<br> ## **UK Office** Trumeter, Pilot Mill, Alfred Street, Bury, Lancashire BL9 9EF, United Kingdom Tel: +44 161 674 0960 Email: sales.uk@trumeter.com ## **North America Office** Trumeter, 702 S. Military Trail, Deerfield Beach, Florida FL 33442, USA Tel: +1 954 725 6699 Email: sales.usa@trumeter.com ## **Asia Pacific Distributor** Innovative Design Technologies Sdn. Bhd, Lot 5881, Lorong Iks Bukit Minyak 1 Taman Perindustrian Iks, 14000 Bukit Tengah Penang, Malaysia Web: www.idtworld.com Tel: + 604 5015700 Email: info@idtworld.com ## **www.trumeter.com**
Updated at April 28, 2026
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