Replacing Consumables; Adjust Dot Printing Position (Point Calibration); Calibration (Data Calibration) - Toho Electronics TRM-10C Instruction Manual

9.3

Replacing Consumables

In order to use this instrument effectively, replace the consumable parts as shown the following
table.
No. Name
1 Chart paper
2 Ribbon cassette
[Note]
① When recording with a ribbon, a dot printing color phases out. To ensure clear recording,
replace the ribbon cassette as possible.
② Use the ribbon cassette within one year after its purchase. Due to evaporation of ink, a printing
color phases out as time goes on.
9.4

Adjust Dot Printing Position (Point Calibration)

The following describes how to adjust a printing position on the chart paper.
You are well advised to adjust it annually in order to maintain recording accuracy.
How to Adjust
It is unnecessary to enter the reference. With the apparatus left in the working conditions, make
adjustment according to the instructions in 7.2.11 Point Calibration.(See page 80)
9.5

Calibration (Data Calibration)

Calibrate a process variable input every year in order to keep measurement accuracy.
[Note]
Prior to calibration, warm up for 30 minutes or more after power-on.
Devices required for calibration
⚫
Precision voltage(current) generator (Jointly use a digital voltmeter with accuracy of ±0.02 %
or less as required)
⚫
Precision dial resistor
Type
HZCGA0105EL001
WPSR188A000001A
―99―
Period Remarks
33 days Chart speed is 20mm/h
3months Chart speed is 20mm/h
Quantity
１
１
HXPRM10mnCT001E