The Digital Count Up Down Timer serves as a precise instrument for timing reactions, a valuable tool in physics experiments, contributing to meticulous data collection for thorough scientific analysis. In molecular biology research, this timer plays a crucial role in tracking incubation periods during DNA amplification processes like polymerase chain reactions (PCR) with precision, ensuring optimal reaction conditions.
*batteries included
| Product Code | Item | Dims | Timer | Battery |
| SE.31.5565-01 | Jumbo/1 Channel | 70x80x20mm | 99min, 59sec | 1 x AAA, 1yr |
| SE.31.5575-01 | Jumbo/4 Channel | 62x75x15mm |
24hrs and up |
2 x LR44, 150 days |
| SE.31.5564-01 | 1sec - 99mins/Clip, Stand | 62x58x10mm | 1.5V/LR44 |
Jumbo Display / 1 Channel
| Time Accuracy Standard: | +/- 60 sec/month (@ 25°C) |
| Operating Temp: | 0 to 40°C (95% RH) |
| Operating Voltage: | 1.2 to 1.7V |
| Slide Switch Reliability: | 5000 cycles |
| Key Durability: | Rubber key - 500,000 times (@200g +/- 20g) |
| Contact Switch: | - 200 times (vertical press) |
| Current Consumption: | <15μA (stand-by current) |
| Ave Alarm Current: | <10mA |
| Electrostatic Discharge: | +/-8kV |
| Alarm Sound: | 70dB min 1ft from product |
| LCD Dimensions: | 38mm x 64mm |
Jumbo Display / 4 Channel
This device includes 4 timers in a compact design, for both 24 hour countdown and count up capabilities. It has a large, easy-to-read display and a 12/24 hour clock for added convenience.
| Time Accuracy Standard: | +/- 60 sec/month |
| Operating Temp: | 0 to 40°C (95% RH) |
| Operating Voltage: | 1.2V to 1.7V x 2 |
| Key Durability: | Rubber key - 500,000 times (@200g +/- 20g) |
| Contact Switch: | - 200 times (vertical press) |
| Current Consumption: | <10μA (stand-by current) |
| Ave Alarm Current: | <25mA |
| Electrostatic Discharge: | +/-8kV |
| Alarm Sound: | 70dB |
| LCD Dimensions: | 22mm x 50mm |
1sec - 99mins w/Clip, Stand
| Oscillation Frequency: | 32768Hz |
| Setting: | 1 sec to 99 mins and 99 secs |
| Includes: | Stand, magnet, clip |
| Chanel |
Jumbo / 1 Channel, Jumbo / 4 Channel, 1sec - 99mins / Clip Stand |
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