Maximum Overall Timing Maximum Overall Timing |
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Timing Adjustment Style Timing Adjustment Style |
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Push Button | Trippers |
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Screw |
Timer Relay Function Timer Relay Function |
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Mounting Location Mounting Location |
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Power Source Power Source |
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Switch Starting Position Switch Starting Position |
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Specifications Met Specifications Met |
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Operation Type Operation Type |
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Maximum On/Off Cycles Maximum On/Off Cycles |
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Maximum Timer Duration Maximum Timer Duration |
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Resolution Resolution |
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Wire Connection Type Wire Connection Type |
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Screw Terminals | Quick- Disconnect Terminals |
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Wire Leads | Screw-Clamp Terminals |
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Program these switches to turn a device on and off at a set time and day. They have a three-prong outlet to plug devices directly into the switch. Use with lamps and other small electrical loads. All have an override to bypass the programmed on/off settings.
24-hour switches repeat the same program daily.
Switches with trippers are programmed by setting on and off times by positioning trippers around the clock dial.
Maximum On/Off Cycles | Minimum Set Time | Timing Adjustment Style | Tripper Type | No. of Trippers | Switching Current @ Voltage | No. of Outlets | Ht. | Wd. | Dp. | Plug Type | Each | |
24-Hour Timing Cycle | ||||||||||||
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3 per Day | 30 min. | Trippers | Removable | 6 | 15 A @ 120 V AC | 1 | 3 1/4" | 3 1/4" | 3 1/4" | Three Prong | 0000000 | 000000 |
Designed to work with landscape lighting and filter pumps, these switches turn equipment on and off at a set time and day. They control two devices at once, and have three-prong outlets to plug devices directly into the switch. All have an override to bypass the programmed on/off settings.
24-hour switches repeat the same program daily. Position trippers around the clock dial to set on and off times.
Switches with light sensor control allow one device to be controlled by the presence or absence of light.
NEMA 3R rated switches are protected against falling liquids and light splashing.
Mounting | ||||||||||||||||||
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Maximum On/Off Cycles | Minimum Set Time | Timing Adjustment Style | Tripper Type | No. of Trippers | Switching Current @ Voltage | No. of Outlets | Features | Ht. | Wd. | Dp. | Plug Type | Cord Lg., ft. | Fasteners Included | No. of Holes | Hole Dia. | Cannot Be Sold To | Each | |
24-Hour Timing Cycle—NEMA 3R | ||||||||||||||||||
12 per Day | 30 min. | Trippers | Removable | 4 | 15 A @ 120 V AC | 2 | Light Sensor Control | 9 3/8" | 5 1/2" | 3 3/8" | Three Prong | 2 | No | 4 | 1/4" | CA | 0000000 | 0000000 |
Additional Trippers (Pkg. of 2 Pair) | 0000000 | Pkg. | 00000 |
Install these switches in a panel cutout and program them to turn a device on and off at a set time and day. Position trippers around the clock dial to set on and off times. As UL and C-UL Recognized Components that are also CE Marked, these switches meet American, Canadian, and European safety standards. They cannot be sold to California due to local energy efficiency requirements.
24-hour switches repeat the same program daily.
For Panel Cutout | |||||||||||||||||
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No. of Circuits Controlled | Switching Current @ Voltage | Input Voltage | Maximum On/Off Cycles | Minimum Set Time | Timing Adjustment Style | Tripper Type | Industry Designation | Ht. | Wd. | Dp. | Ht. | Wd. | Wire Connection Type | Specifications Met | Cannot Be Sold To | Each | |
24-Hour Timing Cycle | |||||||||||||||||
1 | 21 A @ 250 V AC | 120V AC | 48 per Day | 15 min. | Trippers | Captive | SPDT | 2.8" | 2.8" | 1.5" | 2.63" | 2.63" | Quick-Disconnect Terminals | UL Recognized Component, C-UL Recognized Component, CSA Certified, CE Marked | CA | 0000000 | 000000 |
Mount these switches to a flat surface or attach to DIN rail. Program them to turn a device on and off at a set time and day. Position trippers around the clock dial to set on and off times. Switches are UL listed, C-UL listed, and CE marked as compliant with safety standards in the U.S., Canada, and Europe. They cannot be sold to California due to local energy efficiency requirements.
24-hour switches repeat the same program daily.
Mounting | |||||||||||||||||||
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No. of Circuits Controlled | Switching Current @ Voltage | Input Voltage | Maximum On/Off Cycles | Minimum Set Time | Timing Adjustment Style | Tripper Type | Industry Designation | Ht. | Wd. | Dp. | Fasteners Included | No. of Holes | Hole Dia. | For DIN Rail Ht., mm | Wire Connection Type | Specifications Met | Cannot Be Sold To | Each | |
24-Hour Timing Cycle | |||||||||||||||||||
1 | 21 A @ 250 V AC | 120V AC | 48 per Day | 15 min. | Trippers | Captive | SPDT | 4.2" | 2.8" | 2.2" | No | 3 | 0.13" | 35 | Screw Terminals | CSA Certified, CE Marked, C-UL Recognized Component, UL Recognized Component | CA | 0000000 | 000000 |
Switches fit single device (1 gang) outlet boxes. Program them to turn a device on and off at a set time and day. They’re often used with lamps and other small electrical loads.
24-hour switches repeat the same program daily. Position trippers around the clock dial to set on and off times. They cannot be sold to California due to local energy efficiency requirements.
No. of Circuits Controlled | Switching Current @ Voltage | Maximum On/Off Cycles | Minimum Set Time | Timing Adjustment Style | Tripper Type | Features | Industry Designation | For Outlet Box Type | Wire Connection Type | Wire Lead Lg. | Cannot Be Sold To | Each | |
24-Hour Timing Cycle | |||||||||||||
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1 | 20 A @ 120 V AC | 24 per Day | 30 min. | Trippers | Captive | On/Off/Timer Selector | SPST | 1 Device (1 Gang) | Wire Leads | 6" | CA | 000000 | 000000 |
Control equipment with high currents such as landscape lighting, pumps, and heaters. Program these switches to turn a device on and off at a set time and day. Position trippers around the clock dial to set on and off times. Switches cannot be sold to California due to local energy efficiency requirements.
24-hour switches repeat the same program daily.
Switches with a day skipper can be programmed to skip operation for one to six days.
Additional trippers (sold separately) are sold in pairs that include one “on” tripper and one “off” tripper.
Switches | Additional Trippers | |||||||||||||||||
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No. of Circuits Controlled | Switching Current @ Voltage | Input Voltage | Maximum On/Off Cycles | Minimum Set Time | Tripper Type | No. of Trippers | Industry Designation | Ht. | Wd. | Dp. | Wire Connection Type | Environment | Cannot Be Sold To | Each | Pkg. Qty. | Pkg. | ||
24-Hour Timing Cycle | ||||||||||||||||||
1 | 20 A @ 120 V AC, 208 V AC, 240 V AC, 277 V AC | 120V AC/208V AC/240V AC/277V AC | 48 per Day | 15 min. | Captive | 96 | SPDT | 7 3/4" | 5" | 3" | Screw Terminals | Indoor | CA | 0000000 | 0000000 | __ | 000000 | 00 |
1 | 40 A @ 240 V AC | 120V AC | 12 per Day | 1 hrs. | Removable | 2 | SPST | 7 3/4" | 5" | 3" | Screw Terminals | Indoor | CA | 0000000 | 00000 | 1 | 0000000 | 00000 |
2 | 40 A @ 240 V AC | 120V AC | 12 per Day | 1 hrs. | Removable | 2 | DPST | 7 3/4" | 5" | 3" | Screw Terminals | Indoor | CA | 0000000 | 00000 | 1 | 0000000 | 0000 |
2 | 40 A @ 240 V AC | 208V AC/240V AC/277V AC | 12 per Day | 1 hrs. | Removable | 2 | DPST | 7 3/4" | 5" | 3" | Screw Terminals | Indoor | CA | 0000000 | 00000 | 1 | 0000000 | 0000 |
24-Hour Timing Cycle with Day Skipper and Three Skip Screws | ||||||||||||||||||
1 | 40 A @ 240 V AC | 120V AC | 10 per Day | 1 hrs. | Removable | 2 | SPST | 7 3/4" | 5" | 3" | Screw Terminals | Indoor | CA | 0000000 | 000000 | 1 | 0000000 | 0000 |
2 | 40 A @ 240 V AC | 120V AC | 10 per Day | 1 hrs. | Removable | 2 | DPST | 7 3/4" | 5" | 3" | Screw Terminals | Indoor | CA | 0000000 | 000000 | 1 | 0000000 | 0000 |
2 | 40 A @ 240 V AC | 208V AC/240V AC/277V AC | 10 per Day | 1 hrs. | Removable | 2 | DPST | 7 3/4" | 5" | 3" | Screw Terminals | Indoor | CA | 0000000 | 000000 | 1 | 0000000 | 0000 |
Additional Day-Skip Screws (Pkg. of 3) | 0000000 | Pkg. | 00000 |
Rated NEMA 3R, these rain-tight switches protect against falling liquids and light splashing. They control equipment with high currents, such as landscape lighting, pumps, and heaters. Program them to turn a device on and off at a set time and day. Position trippers around the clock dial to set on and off times. Switches cannot be sold to California due to local energy efficiency requirements.
24-hour switches repeat the same program daily.
Switches with a day skipper can be programmed to skip operation for one to six days.
Additional trippers (sold separately) are sold in pairs that include one “on” tripper and one “off” tripper.
Switches | Additional Trippers | |||||||||||||||||
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No. of Circuits Controlled | Switching Current @ Voltage | Input Voltage | Maximum On/Off Cycles | Minimum Set Time | Tripper Type | No. of Trippers | Housing Material | Industry Designation | Ht. | Wd. | Dp. | Wire Connection Type | Cannot Be Sold To | Each | Pkg. Qty. | Pkg. | ||
24-Hour Timing Cycle | ||||||||||||||||||
1 | 40 A @ 240 V AC | 120V AC | 12 per Day | 1 hrs. | Removable | 2 | Steel | SPST | 9 3/8" | 5 1/2" | 3 5/8" | Screw Terminals | CA | 0000000 | 0000000 | 1 | 0000000 | 00000 |
2 | 40 A @ 240 V AC | 120V AC/208V AC/240V AC/277V AC | 48 per Day | 15 min. | Captive | 96 | Polycarbonate Plastic | DPDT | 8 7/8" | 6 5/8" | 3" | Screw Terminals | CA | 0000000 | 00000 | __ | 000000 | 00 |
2 | 40 A @ 240 V AC | 120V AC | 12 per Day | 1 hrs. | Removable | 2 | Steel | DPST | 9 3/8" | 5 1/2" | 3 5/8" | Screw Terminals | CA | 0000000 | 000000 | 1 | 0000000 | 0000 |
2 | 40 A @ 240 V AC | 208V AC/240V AC/277V AC | 12 per Day | 1 hrs. | Removable | 2 | Steel | DPST | 9 3/8" | 5 1/2" | 3 5/8" | Screw Terminals | CA | 0000000 | 000000 | 1 | 0000000 | 0000 |
24-Hour Timing Cycle with Day Skipper and Three Skip Screws | ||||||||||||||||||
2 | 40 A @ 240 V AC | 120V AC | 10 per Day | 1 hrs. | Removable | 2 | Steel | DPST | 9 3/8" | 5 1/2" | 3 5/8" | Screw Terminals | CA | 0000000 | 000000 | 1 | 0000000 | 0000 |
2 | 40 A @ 240 V AC | 208V AC/240V AC/277V AC | 10 per Day | 1 hrs. | Removable | 2 | Steel | DPST | 9 3/8" | 5 1/2" | 3 5/8" | Screw Terminals | CA | 0000000 | 000000 | 1 | 0000000 | 0000 |
Additional Day-Skip Screws (Pkg. of 3) | 0000000 | Pkg. | 00000 |
For precise control of high-current equipment such as landscape lighting, pumps, and heaters, these switches schedule on/off times to the exact minute. The seven-day timing cycle can perform a different program each day of the week. All have a day skipper that can suspend operation for one to six days. A backup battery maintains the program during a power outage.
Two-circuit switches can apply a different program to each circuit.
Mounting | |||||||||||||||||
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No. of Circuits Controlled | Switching Current @ Voltage | Input Voltage | Maximum On/Off Cycles | Minimum Set Time | Timing Adjustment Style | Industry Designation | Ht. | Wd. | Dp. | Fasteners Included | Hole Dia. | Knockout Trade Size | Wire Connection Type | Environment | Specifications Met | Each | |
24 Hour Timing Cycle | |||||||||||||||||
With Capacitor Backup, Lockout, Day Skipper | |||||||||||||||||
1 | 30 A @ 240 V AC | 120V AC/208V AC/240V AC/277V AC | 48 per Day | 1 min. | Push Button | SPST | 7 7/8" | 5 1/8" | 3 7/16" | No | 3/16" | 1/2, 3/4 | Screw Terminals | Indoor | UL Listed, CSA Certified | 0000000 | 0000000 |
2 | 30 A @ 240 V AC | 120V AC/208V AC/240V AC/277V AC | 48 per Day | 1 min. | Push Button | SPST, DPST | 7 7/8" | 5 1/8" | 3 7/16" | No | 3/16" | 1/2, 3/4 | Screw Terminals | Indoor | UL Listed, CSA Certified | 0000000 | 000000 |
Rated NEMA 3R, these rain-tight switches protect against falling liquids and light splashing. More precise than other time and day switches, they program on/off times for equipment down to the exact minute. They control equipment with high currents, such as landscape lighting, pumps, and heaters. A backup battery maintains the program during a power outage.
24-hour switches repeat the same program daily.
Mounting | ||||||||||||||||
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No. of Circuits Controlled | Switching Current @ Voltage | Input Voltage | Maximum On/Off Cycles | Minimum Set Time | Timing Adjustment Style | Housing Material | Industry Designation | Ht. | Wd. | Dp. | Fasteners Included | Hole Dia. | Wire Connection Type | Cannot Be Sold To | Each | |
24-Hour Timing Cycle | ||||||||||||||||
With Battery Backup, Lockout | ||||||||||||||||
1 | 30 A @ 240 V AC | 120V AC/208V AC/240V AC/277V AC | 20 per Day | 1 min. | Push Button | Polycarbonate Plastic | SPST | 8 1/4" | 5" | 3" | No | 0.16" | Screw Terminals | CA | 0000000 | 0000000 |
2 | 30 A @ 240 V AC | 120V AC/208V AC/240V AC/277V AC | 20 per Day | 1 min. | Push Button | Polycarbonate Plastic | DPST | 8 1/4" | 5" | 3" | No | 0.16" | Screw Terminals | CA | 0000000 | 000000 |
Mount these switches to a flat surface or attach to DIN rail. More precise than other time and day switches, they program on/off times for equipment down to the exact minute. All have an override to bypass the programmed on/off settings. A backup battery maintains the program during a power outage.
24-hour switches repeat the same program daily. They control two circuits and can apply a different program to each circuit.
Mounting | For Panel Cutout | ||||||||||||||||
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No. of Circuits Controlled | Switching Current @ Voltage | Input Voltage | Maximum On/Off Cycles | Minimum Set Time | Timing Adjustment Style | Industry Designation | Ht. | Wd. | Dp. | Fasteners Included | No. of Holes | For DIN Rail Ht., mm | Ht. | Wd. | Wire Connection Type | Each | |
24-Hour Timing Cycle | |||||||||||||||||
2 | 15 A @ 250 V AC | 120V AC/240V AC | 12 per Day | 1 min. | Push Button | SPST-NO | 3.8" | 3.8" | 2.2" | No | 2 | 35 | 3.62" | 3.62" | Screw Terminals | 00000000 | 0000000 |
Remotely program these switches via bluetooth signal with a smartphone, tablet, or PC to turn a device on and off at a set time and day. They’re often used with lighting, pumps, and filters. All have a 24-hour/seven-day/365-day timing cycle that can repeat the same program daily or perform a different program each day of the week or year. They compensate for leap year and daylight savings time. A PIN code is required to prevent unauthorized tampering with settings. All have an override to bypass the programmed on/off settings.
Two-circuit switches can apply a different program to each circuit. They have astronomical timing that can be set to turn lights on and off based on sunrise and sunset.
No. of Circuits Controlled | Switching Current @ Voltage | Input Voltage | Maximum On/Off Cycles | Minimum Set Time | Timing Adjustment Style | Industry Designation | Ht. | Wd. | Dp. | For DIN Rail Ht., mm | Wire Connection Type | Environmental Rating | Each | |
24-Hour/7-Day/365-Day Timing Cycle | ||||||||||||||
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1 | 15 A @ 120 V AC, 10 A @ 240 V AC | 120V AC/240V AC | 100 per Day | 1 min. | Push Button | SPDT | 3 1/2" | 1 3/8" | 2 3/8" | 35 | Screw-Clamp Terminals | IP20 | 0000000 | 0000000 |
2 | 15 A @ 120 V AC, 10 A @ 240 V AC | 120V AC/240V AC | 500 per Day | 1 min. | Push Button | SPDT | 3 1/2" | 1 3/8" | 2 3/8" | 35 | Screw-Clamp Terminals | IP20 | 0000000 | 000000 |
![]() | ![]() Delayed Off |
![]() Delayed Start (Delay-on Make) | |
![]() Delayed Switch-Off (Delay-on Break) | ![]() Interval |
![]() Repeat Cycle | ![]() Switch-On (Single-Shot) |
![]() Asymmetrical Repeat Cycle | ![]() Switch-On Asymmetrical Repeat Cycle |
Control multiple timing functions from your electrical cabinet—these timer relays mount to 35 mm DIN rail (also known as DIN 3 rail), which is the most commonly used size. UL Listed, C-UL Listed, and CE Marked, these relays meet American, Canadian, and European safety standards.
Timer Relays with Delayed, Interval, Switch-On, and Repeat Cycles
With six different functions, these timer relays have a broad range of applications. Use them to precisely control machines such as conveyors, lighting systems, and electric motors.
The delayed start (delay-on-make) function allows you to set how long it takes for the relay to turn on after input voltage is applied. For example, a drill starts pumping lubricant immediately, but it does not start rotating until the set time has elapsed.
The delayed off function keeps the relay on for a programmed amount of time after input voltage is removed. For example, motor shuts off and its cooling system continues to run for a set time.
The delayed switch-off (delay-on-break) function uses a switch instead of input voltage. When the switch is turned off, the relay remains on for a programmed amount of time before turning off. For example, a projector’s light is turned off with a switch, but its cooling fan continues to run for a set time.
The interval function uses input voltage to turn on the relay for a programmed amount of time. For example, when a part moving down a conveyor reaches a certain location, a cleaning spray comes on for a set time.
The switch-on (single-shot) function requires a switch to activate the relay, which stays on for the programmed amount of time. For example, lights in a storage room are turned on with a switch and stay on for a set time before turning off.
The repeat cycle function alternates between an on cycle and off cycle of equal durations until input voltage is removed. A common example would be a flashing light.
Timer Relays with Asymmetrical Repeat Cycles
Use these timer relays when your repeat cycles have different on- and off-cycle durations.
The asymmetrical repeat cycle alternates between different durations of on and off for as long as input voltage is applied. For example, a sprinkler system sprays in short bursts followed by longer rest periods, on and off until input voltage is removed.
The switch-on asymmetrical repeat cycle function is activated with a switch instead of input voltage. It could be used to turn on an electric motor for a short period and then turn it off for a longer rest period, repeating that pattern until the switch is turned off.
Timing Range | ||||||||||||
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No. of Terminals | Input Voltage | Control Current, mA | Timer Relay Function | No. of | Overall | Switching Current @ 250V AC | Ht. | Wd. | Dp. | Specifications Met | Each | |
1 Circuit Controlled with 1 Off (Normally Open) or 1 On (Normally Closed)—SPDT | ||||||||||||
6 | 12-240V AC/12-240V DC | 7 | Delayed Start (Delay-on-Make) Delayed Off Delayed Switch-Off (Delay-on-Break) Interval Switch-On (Single-Shot) Repeat Cycle | 6 | 0.1 sec.-24 hrs. | 16A | 3.5" | 0.7" | 2.4" | UL Listed C-UL Listed CE Marked | 000000 | 000000 |
6 | 12-240V AC/12-240V DC | 7 | Asymmetrical Repeat Cycle Switch-On Asymmetrical Repeat Cycle | 6 | 0.1 sec.-24 hrs. | 16A | 3.5" | 0.7" | 2.4" | UL Listed C-UL Listed CE Marked | 0000000 | 00000 |
Timers with a calibration certificate traceable to NIST have been tested to NIST standards to ensure accuracy.
Timers with a memory function automatically return the display to the last programmed time. Good for timing repetitive intervals.
Case | ||||||||||||||||
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Style | Timing Functions | Max. No. of Events | Max. Timer Duration | Max. Alarm Duration | Resolution | Ht. | Wd. | Dia. | Dp. | Material | Color | Backing Type | Batteries Included | Features | Each | |
Timers | ||||||||||||||||
D | Count Up Count Down Pause Clock | 1 | 24 hrs. | Continuous | 1 sec. | 1 3/4" | __ | 3 1/8" | __ | Plastic | White | __ | Yes | Alarm Memory Function | 00000000 | 000000 |
E | Count Up Count Down Pause | 1 | 24 hrs. | 12 sec. | 1 sec. | 2 1/2" | 3 3/4" | __ | 1" | Plastic | Gray | Magnetic | Yes | Alarm Built-In Stand Memory Function | 0000000 | 00000 |
G | Count Up Count Down Pause Clock | 1 | 24 hrs. | 1 min. | 1/100 sec. | 3 3/4" | 3 3/4" | __ | 3" | Plastic | Gray | __ | Yes | Alarm Built-In Stand Memory Function | 000000 | 00000 |
Timers with Calibration Certificate Traceable to NIST | ||||||||||||||||
L | Count Up Count Down Pause Clock | 2 | 24 hrs. | 1 min. | 1 sec. | 2 1/8" | 2 3/4" | __ | 7/8" | Plastic | Black | Magnetic | Yes | Alarm Built-In Stand Memory Function | 0000000 | 00000 |
These stopwatches are water resistant.
Stopwatches with a calibration certificate traceable to NIST have been tested to NIST standards to ensure accuracy.
Stopwatch with a backlit display allows you to time events in low-light conditions.
Case | |||||||||||
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Style | Timing Functions | Max. Timer Duration, hrs. | Accuracy | Material | Color | Lens Material | Batteries Included | Features | Includes | Each | |
Stopwatches | |||||||||||
C | Count Up, Lap, Pause, Clock | 24 | ±0.125 sec./hr. | Plastic | Clear | Plastic | Yes | Alarm, Backlit Display | Lanyard | 0000000 | 000000 |
Stopwatches with Calibration Certificate Traceable to NIST | |||||||||||
B | Count Up, Split, Pause, Clock | 24 | ±0.04 sec./hr. | Plastic | Black | Plastic | Yes | Alarm | Lanyard | 0000000 | 00000 |
B | Count Up, Split, Pause, Clock | 24 | ±0.4 sec./hr. | Plastic | Yellow | Plastic | Yes | Alarm | Lanyard | 0000000 | 00000 |