Bel-Art，H-B DURAC单通道电子计时器，带三重警报和校准证书

振动、声音和/或光警报的优点使这款定时器非常适合高噪音场所。

•可切换定时容量：19小时：59分钟/99分钟：59秒

• 计数方向：向上/向下；显示倒计时后经过的时间

• 上次设置内存

• 振动、光和响亮的蜂鸣器警报可以同时工作，也可以单独关闭

• 按键确认功能提供数据输入的声音指示

• 平躺在实验台上，使用翻盖式开放式支架进行垂直观察，用方便的口袋夹将其穿在实验室外套上，或使用磁性背部连接金属表面

• 需要两节AAA电池（包括在内）

• 具有校准证书和单独序列号，这些电子计时器在H-B的三重认证/注册ISO/IEC 17025:2017，A2LA认证实验室（Cert#2448.01）中进行测试和校准，设备校准可追溯至NIST。

• CE标记，符合RoHS

Bel-Art, H-B DURAC Single Channel Electronic Timer with Triple Alarms and Certificate of Calibration

Choice of vibration, sound and/or light alarms makes this timer perfect for high noise locations.

• Switchable timing capacity: 19 hours: 59 minutes / 99 minutes: 59 seconds

• Count direction: up/down; displays elapsed time after countdown

• Last time set memory

• Vibration, light and loud buzzer sound alarms can function at one time, or be independently turned off

• Key press confirmation feature gives an audible indication of data entry

• Lay flat on a bench, use the flip-open stand for a vertical view, carry it on a lab coat with the convenient pocket clip, or use the magnetic back for metal surface attachment

• Requires two AAA batteries (included)

• Features a Certificate of Calibration and individual serial number, these electronic timers are tested and calibrated in H-B’s exclusive triple accredited/registered ISO/IEC 17025:2017, A2LA accredited laboratory (Cert #2448.01), against equipment whose calibration is traceable to NIST.

• CE marked, RoHS compliant