These digital timers allow the setting of four separate channels simultaneously in any combination of countdown or count-up (stopwatch).
- Time-out mode stops the timer for off periods in both up and down timing
- 12/24 hour 'time of day' clock
- Large clear one-line 19 mm display allows viewing from across the lab
- Capacity of 99 H, 59 min, 59 s in steps of 1 s (±0,01%)
- Extra loud alarm for 1 min, or can be silenced manually
- Unique memory displays previously programmed countdown time
When zero is reached, the timer starts counting up to show time elapsed since alarming.
Certifications: 符合ISO/IEC 17025、ANSI/NCSL Z540-1和9001标准，经A2LA认证，NIST标准可追溯性。
Delivery information: 随附夹子、支架、磁铁、电池和 校准证书。
