Cooper Instruments & Systems DTW 400 Digital Torque Tester / Screwdriver - Manual (Page 3)

CF132 DTW 400/405 3 11/12
5. Auto Zero Reset (AC)
After Continuous Data Output Output Minimum is entered, “AC” is displayed and the Auto Zero Reset
duration value. Press UP or DOWN to select 0.0C – 0.1C – 0.5C – 1.0C – 1.5C – 2.0C – 2.5C – 3.0C, and
press PRG to enter (0.1C for 0.1 second and 0.0C for manual reset
After measuring, Auto Zero automatically resets the tester to 0.0.
6. Batch Counter
After the Auto Zero value is entered, “CO” is displayed, then the CO value. Use th UP or DOWN keys to
select a value and press PRG to enter (0-99 clockwise only)
7. Interval (In)
After the Batch Counter value is entered, “IN” is displayed then the IN value. Use the UP or DOWN keys to
select a value and press PRG to enter (0-24 seconds in 2 second increments.)
8. Beeper (bp)
After Interval value is entered, “bp” is displayed then “On”. Press UP or DOWN to select On, OFF or FF,
then press PRG to enter.
“On” – beeper sounds for Good, NG and capacity overload
“OFF” - beeper sounds for capacity overload only
“FF” – beeper sounds for NG and capacity overload
9. Units (Un)
After the Beeper is programmed, “Un” is displayed, then the current unit selection. Press UP to cycle the
units; lbf-in, ozf-in, kgf-in, N-m and N-cm
After Units are entered, “-S-“ is displayed to confirm programming completion and zero is shown.
After High and Low setpoints are set and beeper in set to ON
In PP Mode
Under LO setpoint – no LED light or beep
Over LO – Green LED lights
Over HI – Red LED flashes and beep sounds
In PD mode – no indicator or beep for values before Peak Down is sensed.
Under LO setpoint – Red LED flashes and slow beep sounds
Over LO – Green LED lights and constant tone sounds
Over HI – Red LED flashes and fast beep sounds
In Real Time and C Mode
Under LO setpoint – no LED light or beep
Over LO – Green LED lights and beep sounds
Over HI – Red LED lights and beep sounds
DATA MEMORY
Storing and Recalling Data from Memory
Memory functions work in PP and PD modes. Store up to 800 values in memory.
1. Measure in PP or PD mode, when the display resets by either Auto Zero or manually pressing CLR, the
peak value is stored.
2. To recall a value, press MEM and the last stored memory is displayed. Press UP or DOWN to select a
memory location (i.e. .0.01 for first location) and torque value. The display cycles between memory
location and value.
Clearing Data from Memory
Single clear: Press MEM then press UP or DOWN to move to a memory location. When the desired memory
value is displayed, press CLR, “CLR” is displayed. Press CLR again to clear the data and “----“ is displayed to
confirm deletion.
All clear: Press CLR and hold until the display shows “ALL” then press CLR. While CLR is blinking, press CLR
again and “----“ is displayed to confirm deletion.