Instrument Expert
Original factory packaging
Service Hotline：
(+86)010-52867771
Instrument Expert
Original factory packaging
Service Hotline：
(+86)010-52867771
Updated:2025-03-13
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Datasheet
8″ (203mm) Chart Recorders offer the largest resolution out of any chart recorders. Now featuring Replaceable Sensors?, calibrating your chart recorder is easier than ever. All chart recorders feature a large 8″ chart and user-selectable recording timeframes (1-day, 1-week) and ranges.
Features
Replaceable Sensors?
Battery Operation
K-Thermocouple Probe
Display
Audible Alarms
Relays
Remote T/RH Probe
Specifications
| KT8 Models | TH8 Models | ||||
| Alarm Type |
Audio/Visual Relay on R models |
Audio/Visual Relay on R models |
|||
| Ambient Operating RH Conditions | 0-95% RH non-condensing | 0-95% RH non-condensing | |||
| Ambient Operating Temperature Conditions | 32.0 to 120.0F (0.0 to 50.0C) | 32.0 to 120.0F (0.0 to 50.0C) | |||
| Approvals | CE | CE | |||
| Backup Battery | Four C Batteries | Four C Batteries | |||
| Battery Life (Avg) | 1 Month | 1 Month | |||
| Calibration Options | N100, N300, N400 | N100, N300, N400 | |||
| Channels |
CH1: Temperature CH2: Temperature (KT8-21/KT8-31R only) |
CH1: Temperature CH2: Humidity |
|||
| Chart Rotation Speed | 24 Hour, 7 Day | 24 Hour, 7 Day | |||
| Dimensions | 9 3/8 in. x 2 3/4 in. x 10 1/8 in. | 9 3/8 in. x 2 3/4 in. x 10 1/8 in. | |||
| Display Dimensions | 5 1/8 in. x 1 in. | 5 1/8 in. x 1 in. | |||
| Display Resolution | 0.1 | 0.1 | |||
| Display Type | LCD | LCD | |||
| Enclosure | Rugged Black ABS Case, Polycarbonate Door, Aluminum Dial | Rugged Black ABS Case, Polycarbonate Door, Aluminum Dial | |||
| IP Rating | 20 | 20 | |||
| Included Accessories | AC Adapter, Pen(s), Four C Batteries, Quick Start Guide and Probe. *Charts sold separately. | AC Adapter, Pen(s), Four C Batteries, Quick Start Guide and Probe. *Charts sold separately. | |||
| Keypad Functions | ON/OFF, Home, Alarm, Return, Enter | ON/OFF, Home, Alarm, Return, Enter | |||
| Mounting Options | Free Standing or Wall Mount (w/ Keyhole) | Free Standing or Wall Mount (w/ Keyhole) | |||
| Power Cord | 6ft | 6ft | |||
| Power Source | 120 to 240 VAC, 12 VDC (INTL fittings available); AC Adapter | 120 to 240 VAC, 12 VDC (INTL fittings available); AC Adapter | |||
| Power Status Indicator | LED Indicator | LED Indicator | |||
| Unit Weight | 2.45lbs without batteries / 3.05lbs with batteries | 2.45lbs without batteries / 3.05lbs with batteries | |||
| Units/Pkg | 1 | 1 | |||
| Warranty | 12-month limited | 12-month limited | |||
| Remote Sensor Type | Replaceable Sensor? | Replaceable Sensor? | |||
| RS010 | RS020 / RS021 | RS030 / RS031 | RS040 | RS050 | |
| Sensor Type | Ambient Temp & Humidity | Thermistor | K-Thermocouple | Platinum RTD | Ambient Temp |
| Humidity Accuracy | =+/-2.0RH from 5.0 to 95.0RH | ||||
| Temperature Accuracy |
=+/-0.8F (+/-.44C) from 20.0 to 122.0F
+/-1.8F (+/-1.0C) remaining range (range of sensor is -40 to 185F) |
=+/-0.9F from -58.0 to 68.0F (+/-0.5C from -50.0 to 20.0C)
=+/-1.2F from 69F to 122F |
=+/-1.8F from -300.0 to 122.0F (+/-1.0C from -185.0 to 50C)
=+/-3.8F (+/-2.1C) remaining range |
=+/-0.5F from -148.0 to 350.0F
(+/-0.3C from -100.0 to 176.0C) |
=+/-1.2F from 20.0 to 122.0F
(+/-1.0C from -30.0 to 50.0C) |
| Temperature Accuracy (Remainder of Range) | =+/-2.0F over remaining range | ||||
| Temperature Range | -40.0 to 185.0F (-40.0 to 85.0C) | -58.0 to 158.0F (-50.0 to 70.0C) | -300.0 to 2000.0F (-185.0 to 1093.0C) | -148.0 to 350.0F (-100.0 to 176.0C) | -22.0 to 122.0F (-30.0 to 50.0C) |
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